From 9dd8c056e771277efedcebd98c2aae2f9f9d54a2 Mon Sep 17 00:00:00 2001
From: Agniva De Sarker <agnivade@yahoo.co.in>
Date: Tue, 22 Jul 2025 20:40:55 +0530
Subject: [PATCH] MM-63368: Remove MySQL (#33458)

https://mattermost.atlassian.net/browse/MM-63368

```release-note
Remove MySQL support from the codebase entirely.
```
---
 .github/workflows/README.md                   |   4 +-
 .github/workflows/esrupgrade-common.yml       | 161 -------
 .github/workflows/esrupgrade.yml              |  37 --
 .github/workflows/migration.yml               |  77 ----
 .github/workflows/server-ci-template.yml      |  14 -
 server/Makefile                               |  35 --
 server/build/docker-compose-generator/main.go |  28 +-
 server/build/docker-compose.common.yml        |  41 --
 server/build/docker-compose.yml               |  10 +-
 .../build/docker/grafana/dashboards/home.json |  11 -
 server/build/docker/mysql.conf.d/custom.cnf   |  20 -
 server/build/docker/mysql.conf.d/replica.cnf  |   3 -
 server/build/docker/mysql.conf.d/source.cnf   |   4 -
 server/build/dotenv/migration.env             |  16 -
 server/build/dotenv/test.env                  |   2 -
 server/build/legacy.mk                        |  80 ----
 server/channels/api4/access_control_test.go   |  40 --
 server/channels/api4/channel_test.go          |  16 -
 server/channels/api4/license.go               |   6 -
 server/channels/api4/license_test.go          |  71 +--
 server/channels/api4/main_test.go             |   8 -
 server/channels/api4/user_test.go             |  43 --
 server/channels/app/email/main_test.go        |   9 +-
 server/channels/app/main_test.go              |   9 +-
 server/channels/app/platform/license.go       |  11 -
 server/channels/app/platform/license_test.go  |   7 +-
 server/channels/app/platform/main_test.go     |   9 +-
 server/channels/app/platform/service_test.go  |   4 +-
 server/channels/app/post_test.go              |  42 --
 server/channels/app/product_notices.go        |   2 +-
 server/channels/app/product_notices_test.go   |  53 ---
 server/channels/app/teams/main_test.go        |   8 -
 server/channels/app/users/main_test.go        |   1 -
 server/channels/db/migrations/migrations.list | 280 ------------
 .../mysql/000001_create_teams.down.sql        |  76 ----
 .../mysql/000001_create_teams.up.sql          | 177 --------
 .../mysql/000002_create_team_members.down.sql |  76 ----
 .../mysql/000002_create_team_members.up.sql   |  85 ----
 .../000003_create_cluster_discovery.down.sql  |   1 -
 .../000003_create_cluster_discovery.up.sql    |  11 -
 .../000004_create_command_webhooks.down.sql   |   1 -
 .../000004_create_command_webhooks.up.sql     |  12 -
 .../mysql/000005_create_compliances.down.sql  |   1 -
 .../mysql/000005_create_compliances.up.sql    |  14 -
 .../mysql/000006_create_emojis.down.sql       |  16 -
 .../mysql/000006_create_emojis.up.sql         |  73 ----
 .../mysql/000007_create_user_groups.down.sql  |   1 -
 .../mysql/000007_create_user_groups.up.sql    |  62 ---
 .../000008_create_group_members.down.sql      |   1 -
 .../mysql/000008_create_group_members.up.sql  |  23 -
 .../mysql/000009_create_group_teams.down.sql  |   1 -
 .../mysql/000009_create_group_teams.up.sql    |  55 ---
 .../000010_create_group_channels.down.sql     |   1 -
 .../mysql/000010_create_group_channels.up.sql |  57 ---
 .../000011_create_link_metadata.down.sql      |   1 -
 .../mysql/000011_create_link_metadata.up.sql  |   9 -
 .../mysql/000012_create_commands.down.sql     |  16 -
 .../mysql/000012_create_commands.up.sql       |  65 ---
 .../000013_create_incoming_webhooks.down.sql  |   1 -
 .../000013_create_incoming_webhooks.up.sql    | 192 ---------
 .../000014_create_outgoing_webhooks.down.sql  |   1 -
 .../000014_create_outgoing_webhooks.up.sql    | 197 ---------
 .../mysql/000015_create_systems.down.sql      |   1 -
 .../mysql/000015_create_systems.up.sql        |   5 -
 .../mysql/000016_create_reactions.down.sql    |   1 -
 .../mysql/000016_create_reactions.up.sql      |  76 ----
 .../mysql/000017_create_roles.down.sql        |   1 -
 .../mysql/000017_create_roles.up.sql          |  61 ---
 .../mysql/000018_create_schemes.down.sql      |   1 -
 .../mysql/000018_create_schemes.up.sql        | 121 ------
 .../mysql/000019_create_licenses.down.sql     |   1 -
 .../mysql/000019_create_licenses.up.sql       |   6 -
 .../mysql/000020_create_posts.down.sql        |  16 -
 .../mysql/000020_create_posts.up.sql          | 257 -----------
 ..._create_product_notice_view_state.down.sql |  31 --
 ...21_create_product_notice_view_state.up.sql |  67 ---
 .../mysql/000022_create_sessions.down.sql     |   1 -
 .../mysql/000022_create_sessions.up.sql       | 116 -----
 .../000023_create_terms_of_service.down.sql   |   1 -
 .../000023_create_terms_of_service.up.sql     |   7 -
 .../mysql/000024_create_audits.down.sql       |   1 -
 .../mysql/000024_create_audits.up.sql         |  25 --
 .../000025_create_oauth_access_data.down.sql  |  16 -
 .../000025_create_oauth_access_data.up.sql    | 159 -------
 .../mysql/000026_create_preferences.down.sql  |  16 -
 .../mysql/000026_create_preferences.up.sql    | 106 -----
 .../mysql/000027_create_status.down.sql       |  16 -
 .../mysql/000027_create_status.up.sql         |  83 ----
 .../mysql/000028_create_tokens.down.sql       |   1 -
 .../mysql/000028_create_tokens.up.sql         |  23 -
 .../mysql/000029_create_bots.down.sql         |  16 -
 .../mysql/000029_create_bots.up.sql           |  24 --
 .../000030_create_user_access_tokens.down.sql |  16 -
 .../000030_create_user_access_tokens.up.sql   |  53 ---
 .../000031_create_remote_clusters.down.sql    |   1 -
 .../000031_create_remote_clusters.up.sql      |  29 --
 .../000032_create_sharedchannels.down.sql     |   1 -
 .../mysql/000032_create_sharedchannels.up.sql |  16 -
 .../000033_create_sidebar_channels.down.sql   |  17 -
 .../000033_create_sidebar_channels.up.sql     |  23 -
 .../000034_create_oauthauthdata.down.sql      |  16 -
 .../mysql/000034_create_oauthauthdata.up.sql  |  38 --
 ...5_create_sharedchannelattachments.down.sql |   1 -
 ...035_create_sharedchannelattachments.up.sql |   9 -
 .../000036_create_sharedchannelusers.down.sql |  31 --
 .../000036_create_sharedchannelusers.up.sql   |  68 ---
 ...00037_create_sharedchannelremotes.down.sql |  31 --
 .../000037_create_sharedchannelremotes.up.sql |  42 --
 .../mysql/000038_create_jobs.down.sql         |   1 -
 .../mysql/000038_create_jobs.up.sql           |  13 -
 ...039_create_channel_member_history.down.sql |   1 -
 ...00039_create_channel_member_history.up.sql |  37 --
 .../000040_create_sidebar_categories.down.sql |  47 --
 .../000040_create_sidebar_categories.up.sql   |  56 ---
 .../000041_create_upload_sessions.down.sql    |  31 --
 .../000041_create_upload_sessions.up.sql      | 104 -----
 .../mysql/000042_create_threads.down.sql      |  31 --
 .../mysql/000042_create_threads.up.sql        |  60 ---
 .../mysql/000043_thread_memberships.down.sql  |  62 ---
 .../mysql/000043_thread_memberships.up.sql    |  68 ---
 ...0044_create_user_terms_of_service.down.sql |  16 -
 ...000044_create_user_terms_of_service.up.sql |  43 --
 ...045_create_plugin_key_value_store.down.sql |  31 --
 ...00045_create_plugin_key_value_store.up.sql |  36 --
 .../mysql/000046_create_users.down.sql        |  31 --
 .../mysql/000046_create_users.up.sql          | 286 ------------
 .../mysql/000047_create_file_info.down.sql    |  91 ----
 .../mysql/000047_create_file_info.up.sql      | 113 -----
 .../mysql/000048_create_oauth_apps.down.sql   |  46 --
 .../mysql/000048_create_oauth_apps.up.sql     |  57 ---
 .../mysql/000049_create_channels.down.sql     | 136 ------
 .../mysql/000049_create_channels.up.sql       | 175 --------
 .../000050_create_channelmembers.down.sql     |  76 ----
 .../mysql/000050_create_channelmembers.up.sql |  86 ----
 .../000051_create_msg_root_count.down.sql     |  44 --
 .../mysql/000051_create_msg_root_count.up.sql | 126 ------
 .../000052_create_public_channels.down.sql    |  77 ----
 .../000052_create_public_channels.up.sql      | 109 -----
 .../000053_create_retention_policies.down.sql |  93 ----
 .../000053_create_retention_policies.up.sql   | 109 -----
 ...reate_crt_channelmembership_count.down.sql |  15 -
 ..._create_crt_channelmembership_count.up.sql |  27 --
 ...eate_crt_thread_count_and_unreads.down.sql |  15 -
 ...create_crt_thread_count_and_unreads.up.sql |  31 --
 .../000056_upgrade_channels_v6.0.down.sql     |  44 --
 .../mysql/000056_upgrade_channels_v6.0.up.sql |  44 --
 ...057_upgrade_command_webhooks_v6.0.down.sql |  15 -
 ...00057_upgrade_command_webhooks_v6.0.up.sql |  29 --
 ...00058_upgrade_channelmembers_v6.0.down.sql |  62 ---
 .../000058_upgrade_channelmembers_v6.0.up.sql |  60 ---
 .../mysql/000059_upgrade_users_v6.0.down.sql  |  80 ----
 .../mysql/000059_upgrade_users_v6.0.up.sql    |  79 ----
 .../mysql/000060_upgrade_jobs_v6.0.down.sql   |  15 -
 .../mysql/000060_upgrade_jobs_v6.0.up.sql     |  16 -
 ...000061_upgrade_link_metadata_v6.0.down.sql |  16 -
 .../000061_upgrade_link_metadata_v6.0.up.sql  |  16 -
 .../000062_upgrade_sessions_v6.0.down.sql     |  15 -
 .../mysql/000062_upgrade_sessions_v6.0.up.sql |  16 -
 .../000063_upgrade_threads_v6.0.down.sql      |  45 --
 .../mysql/000063_upgrade_threads_v6.0.up.sql  |  45 --
 .../mysql/000064_upgrade_status_v6.0.down.sql |  29 --
 .../mysql/000064_upgrade_status_v6.0.up.sql   |  29 --
 ...000065_upgrade_groupchannels_v6.0.down.sql |  15 -
 .../000065_upgrade_groupchannels_v6.0.up.sql  |  14 -
 .../mysql/000066_upgrade_posts_v6.0.down.sql  |  77 ----
 .../mysql/000066_upgrade_posts_v6.0.up.sql    |  61 ---
 ...00067_upgrade_channelmembers_v6.1.down.sql |  15 -
 .../000067_upgrade_channelmembers_v6.1.up.sql |  15 -
 .../000068_upgrade_teammembers_v6.1.down.sql  |  15 -
 .../000068_upgrade_teammembers_v6.1.up.sql    |  15 -
 .../mysql/000069_upgrade_jobs_v6.1.down.sql   |  15 -
 .../mysql/000069_upgrade_jobs_v6.1.up.sql     |  14 -
 .../mysql/000070_upgrade_cte_v6.1.down.sql    |  15 -
 .../mysql/000070_upgrade_cte_v6.1.up.sql      |  31 --
 .../000071_upgrade_sessions_v6.1.down.sql     |  15 -
 .../mysql/000071_upgrade_sessions_v6.1.up.sql |  15 -
 .../000072_upgrade_schemes_v6.3.down.sql      |  59 ---
 .../mysql/000072_upgrade_schemes_v6.3.up.sql  |  59 ---
 ...grade_plugin_key_value_store_v6.3.down.sql |  15 -
 ...upgrade_plugin_key_value_store_v6.3.up.sql |  15 -
 .../mysql/000074_upgrade_users_v6.3.down.sql  |   1 -
 .../mysql/000074_upgrade_users_v6.3.up.sql    |  15 -
 ...00075_alter_upload_sessions_index.down.sql |  20 -
 .../000075_alter_upload_sessions_index.up.sql |  20 -
 .../000076_upgrade_lastrootpostat.down.sql    |   1 -
 .../000076_upgrade_lastrootpostat.up.sql      |  47 --
 .../mysql/000077_upgrade_users_v6.5.down.sql  |   1 -
 .../mysql/000077_upgrade_users_v6.5.up.sql    |  15 -
 ...78_create_oauth_mattermost_app_id.down.sql |  14 -
 ...0078_create_oauth_mattermost_app_id.up.sql |  14 -
 ...0079_usergroups_displayname_index.down.sql |  14 -
 ...000079_usergroups_displayname_index.up.sql |  14 -
 .../mysql/000080_posts_createat_id.down.sql   |  14 -
 .../mysql/000080_posts_createat_id.up.sql     |  14 -
 .../mysql/000081_threads_deleteat.down.sql    |   1 -
 .../mysql/000081_threads_deleteat.up.sql      |   1 -
 ...2_upgrade_oauth_mattermost_app_id.down.sql |  14 -
 ...082_upgrade_oauth_mattermost_app_id.up.sql |  29 --
 .../000083_threads_threaddeleteat.down.sql    |  14 -
 .../000083_threads_threaddeleteat.up.sql      |  35 --
 .../mysql/000084_recent_searches.down.sql     |   2 -
 .../mysql/000084_recent_searches.up.sql       |   8 -
 ...0085_fileinfo_add_archived_column.down.sql |  14 -
 ...000085_fileinfo_add_archived_column.up.sql |  15 -
 .../000086_add_cloud_limits_archived.down.sql |  14 -
 .../000086_add_cloud_limits_archived.up.sql   |  14 -
 .../000087_sidebar_categories_index.down.sql  |  14 -
 .../000087_sidebar_categories_index.up.sql    |  14 -
 .../000088_remaining_migrations.down.sql      |   1 -
 .../mysql/000088_remaining_migrations.up.sql  |  36 --
 .../000089_add-channelid-to-reaction.down.sql |  14 -
 .../000089_add-channelid-to-reaction.up.sql   |  33 --
 .../mysql/000090_create_enums.down.sql        |  47 --
 .../mysql/000090_create_enums.up.sql          |  47 --
 .../000091_create_post_reminder.down.sql      |  16 -
 .../mysql/000091_create_post_reminder.up.sql  |  21 -
 ...00092_add_createat_to_teammembers.down.sql |  14 -
 .../000092_add_createat_to_teammembers.up.sql |  29 --
 .../mysql/000093_notify_admin.down.sql        |   1 -
 .../mysql/000093_notify_admin.up.sql          |   8 -
 .../mysql/000094_threads_teamid.down.sql      |   1 -
 .../mysql/000094_threads_teamid.up.sql        |   1 -
 .../000095_remove_posts_parentid.down.sql     |   1 -
 .../mysql/000095_remove_posts_parentid.up.sql |  17 -
 .../000096_threads_threadteamid.down.sql      |  14 -
 .../mysql/000096_threads_threadteamid.up.sql  |  35 --
 .../000097_create_posts_priority.down.sql     |  16 -
 .../mysql/000097_create_posts_priority.up.sql |  23 -
 ...0098_create_post_acknowledgements.down.sql |   1 -
 ...000098_create_post_acknowledgements.up.sql |   6 -
 .../mysql/000099_create_drafts.down.sql       |   1 -
 .../mysql/000099_create_drafts.up.sql         |  12 -
 .../000100_add_draft_priority_column.down.sql |  14 -
 .../000100_add_draft_priority_column.up.sql   |  14 -
 ...101_create_true_up_review_history.down.sql |   1 -
 ...00101_create_true_up_review_history.up.sql |   5 -
 .../000102_posts_originalid_index.down.sql    |  14 -
 .../000102_posts_originalid_index.up.sql      |  14 -
 .../000103_add_sentat_to_notifyadmin.down.sql |  14 -
 .../000103_add_sentat_to_notifyadmin.up.sql   |  14 -
 .../mysql/000104_upgrade_notifyadmin.down.sql |  29 --
 .../mysql/000104_upgrade_notifyadmin.up.sql   |  29 --
 .../mysql/000105_remove_tokens.down.sql       |   1 -
 .../mysql/000105_remove_tokens.up.sql         |   4 -
 .../mysql/000106_fileinfo_channelid.down.sql  |  29 --
 .../mysql/000106_fileinfo_channelid.up.sql    |  34 --
 .../000107_threadmemberships_cleanup.down.sql |   1 -
 .../000107_threadmemberships_cleanup.up.sql   |   5 -
 ...remove_orphaned_oauth_preferences.down.sql |   1 -
 ...8_remove_orphaned_oauth_preferences.up.sql |   1 -
 ...9_create_persistent_notifications.down.sql |   1 -
 ...109_create_persistent_notifications.up.sql |   8 -
 .../mysql/000111_update_vacuuming.down.sql    |   1 -
 .../mysql/000111_update_vacuuming.up.sql      |   1 -
 .../000112_rework_desktop_tokens.down.sql     |  16 -
 .../mysql/000112_rework_desktop_tokens.up.sql |  38 --
 ...ate_retentionidsfordeletion_table.down.sql |   1 -
 ...reate_retentionidsfordeletion_table.up.sql |   7 -
 ...motes_drop_nextsyncat_description.down.sql |   1 -
 ...remotes_drop_nextsyncat_description.up.sql |  29 --
 .../000115_user_reporting_changes.down.sql    |  14 -
 .../000115_user_reporting_changes.up.sql      |  14 -
 ...create_outgoing_oauth_connections.down.sql |   1 -
 ...6_create_outgoing_oauth_connections.up.sql |  16 -
 .../000117_msteams_shared_channels.down.sql   |  47 --
 .../000117_msteams_shared_channels.up.sql     |  47 --
 .../000118_create_index_poststats.down.sql    |   1 -
 .../000118_create_index_poststats.up.sql      |   1 -
 ...0119_msteams_shared_channels_opts.down.sql |  15 -
 ...000119_msteams_shared_channels_opts.up.sql |  15 -
 ...120_create_channelbookmarks_table.down.sql |   1 -
 ...00120_create_channelbookmarks_table.up.sql |  21 -
 ...121_remove_true_up_review_history.down.sql |   5 -
 ...00121_remove_true_up_review_history.up.sql |   1 -
 .../000122_preferences_value_length.down.sql  |   1 -
 .../000122_preferences_value_length.up.sql    |   1 -
 ...123_remove_upload_file_permission.down.sql |   1 -
 ...00123_remove_upload_file_permission.up.sql |  18 -
 ...124_remove_manage_team_permission.down.sql |   1 -
 ...00124_remove_manage_team_permission.up.sql |  21 -
 ...emoteclusters_add_default_team_id.down.sql |   1 -
 ..._remoteclusters_add_default_team_id.up.sql |  14 -
 ...aredchannels_remotes_add_deleteat.down.sql |   1 -
 ...sharedchannels_remotes_add_deleteat.up.sql |  44 --
 .../000127_add_mfa_used_ts_to_users.down.sql  |   1 -
 .../000127_add_mfa_used_ts_to_users.up.sql    |   1 -
 .../000128_create_scheduled_posts.down.sql    |  15 -
 .../000128_create_scheduled_posts.up.sql      |  29 --
 ..._add_property_system_architecture.down.sql |   3 -
 ...29_add_property_system_architecture.up.sql |  47 --
 .../000130_system_console_stats.down.sql      |   1 -
 .../mysql/000130_system_console_stats.up.sql  |   1 -
 ...dex_pagination_on_property_values.down.sql |  14 -
 ...index_pagination_on_property_values.up.sql |  14 -
 ...dex_pagination_on_property_fields.down.sql |  14 -
 ...index_pagination_on_property_fields.up.sql |  14 -
 .../000133_add_channel_banner_fields.down.sql |  14 -
 .../000133_add_channel_banner_fields.up.sql   |  14 -
 ...34_create_access_control_policies.down.sql |   2 -
 ...0134_create_access_control_policies.up.sql |  23 -
 ...000135_sidebarchannels_categoryid.down.sql |  14 -
 .../000135_sidebarchannels_categoryid.up.sql  |  14 -
 .../000136_create_attribute_view.down.sql     |   1 -
 .../mysql/000136_create_attribute_view.up.sql |  11 -
 .../000137_update_attribute_view.down.sql     |   1 -
 .../mysql/000137_update_attribute_view.up.sql |   1 -
 ..._default_category_name_to_channel.down.sql |  14 -
 ...dd_default_category_name_to_channel.up.sql |  14 -
 ...ters_add_last_global_user_sync_at.down.sql |  14 -
 ...usters_add_last_global_user_sync_at.up.sql |  14 -
 ...erssyncat_to_sharedchannelremotes.down.sql |  29 --
 ...mberssyncat_to_sharedchannelremotes.up.sql |  29 --
 ...hannelid_to_post_acknowledgements.down.sql |  29 --
 ..._channelid_to_post_acknowledgements.up.sql |  29 --
 .../layer_generators/retry_layer.go.tmpl      |   8 -
 .../store/localcachelayer/layer_test.go       |  17 +-
 .../channels/store/retrylayer/retrylayer.go   |   8 -
 .../store/retrylayer/retrylayer_test.go       |  21 -
 .../channels/store/searchlayer/layer_test.go  |   2 +-
 .../store/searchtest/channel_layer.go         |  10 +-
 .../store/searchtest/file_info_layer.go       |  20 +-
 .../channels/store/searchtest/post_layer.go   |  22 +-
 server/channels/store/searchtest/testlib.go   |   1 -
 .../channels/store/searchtest/user_layer.go   |   4 +-
 .../store/sqlstore/attributes_store.go        |  35 +-
 .../sqlstore/channel_member_history_store.go  |   1 +
 .../channels/store/sqlstore/channel_store.go  | 188 +++-----
 .../sqlstore/channel_store_categories.go      | 142 ++----
 .../channels/store/sqlstore/command_store.go  |   8 +-
 server/channels/store/sqlstore/draft_store.go |  70 +--
 .../store/sqlstore/file_info_store.go         |  49 +--
 server/channels/store/sqlstore/group_store.go |  57 +--
 server/channels/store/sqlstore/job_store.go   |  58 +--
 .../channels/store/sqlstore/license_store.go  |   6 +-
 .../store/sqlstore/link_metadata_store.go     |   6 +-
 server/channels/store/sqlstore/migrate.go     |  28 --
 .../channels/store/sqlstore/migrate_test.go   |   1 -
 server/channels/store/sqlstore/oauth_store.go |   7 +-
 .../channels/store/sqlstore/plugin_store.go   |  43 +-
 .../sqlstore/post_acknowledgements_store.go   |   6 +-
 .../post_persistent_notification_store.go     |  36 +-
 server/channels/store/sqlstore/post_store.go  | 273 ++----------
 .../store/sqlstore/post_store_test.go         |  46 --
 .../store/sqlstore/preference_store.go        |  22 +-
 .../store/sqlstore/property_group_store.go    |   6 +-
 .../store/sqlstore/property_value_store.go    |  64 +--
 .../channels/store/sqlstore/reaction_store.go |  31 +-
 .../store/sqlstore/retention_policy_store.go  | 107 ++---
 .../store/sqlstore/schema_dump_test.go        |  12 -
 .../channels/store/sqlstore/session_store.go  |  13 +-
 .../store/sqlstore/shared_channel_store.go    |   6 +-
 .../store/sqlstore/sqlx_wrapper_test.go       |  25 +-
 .../channels/store/sqlstore/status_store.go   |  75 +---
 server/channels/store/sqlstore/store.go       | 406 ++----------------
 server/channels/store/sqlstore/store_test.go  | 132 +-----
 .../channels/store/sqlstore/system_store.go   |   6 +-
 server/channels/store/sqlstore/team_store.go  |   4 +-
 server/channels/store/sqlstore/testpool.go    |   2 +-
 .../store/sqlstore/user_access_token_store.go |  21 +-
 server/channels/store/sqlstore/utils.go       |  36 +-
 server/channels/store/sqlstore/utils_test.go  |  34 --
 .../store/storetest/attributes_store.go       |  45 +-
 .../storetest/channel_store_categories.go     |   4 -
 server/channels/store/storetest/settings.go   |  97 +----
 server/channels/store/storetest/user_store.go |   5 -
 server/channels/store/storetest/utils.go      |  12 +-
 server/channels/testlib/helper.go             |  54 +--
 server/cmd/mmctl/commands/config_e2e_test.go  |   8 +-
 server/config.mk                              |   6 +-
 server/config/database.go                     |  84 +---
 server/config/database_test.go                |  46 --
 server/config/main_test.go                    |  13 -
 server/docker-compose.makefile.yml            |  16 -
 server/docker-compose.yaml                    |  17 +-
 server/enterprise/metrics/metrics.go          |  10 -
 server/enterprise/metrics/metrics_test.go     |  12 -
 server/go.mod                                 |   2 +-
 server/i18n/en.json                           |  10 +-
 .../searchengine/bleveengine/bleve_test.go    |   2 +-
 server/public/go.mod                          |   2 -
 server/public/go.sum                          |   4 -
 server/public/model/config.go                 |  12 +-
 server/public/model/config_test.go            |  18 -
 server/public/plugin/client_rpc.go            |   6 -
 server/public/pluginapi/store.go              |   1 -
 server/public/utils/sql/sql_utils.go          |  26 --
 server/public/utils/sql/sql_utils_test.go     |  65 ---
 .../admin_console/license_settings/index.ts   |   1 -
 .../license_settings.test.tsx                 |   1 -
 .../license_settings/license_settings.tsx     |   4 +-
 .../admin_console/system_users/index.ts       |   6 -
 .../system_users/system_users.tsx             |  69 +--
 .../index.tsx                                 |  25 --
 .../show_start_trial_modal.tsx                |   3 +-
 .../widgets/inputs/dropdown_input_hybrid.tsx  |   4 +-
 395 files changed, 390 insertions(+), 11864 deletions(-)
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 delete mode 100644 server/channels/db/migrations/mysql/000119_msteams_shared_channels_opts.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000119_msteams_shared_channels_opts.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000120_create_channelbookmarks_table.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000120_create_channelbookmarks_table.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000121_remove_true_up_review_history.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000121_remove_true_up_review_history.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000122_preferences_value_length.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000122_preferences_value_length.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000123_remove_upload_file_permission.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000123_remove_upload_file_permission.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000124_remove_manage_team_permission.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000124_remove_manage_team_permission.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000125_remoteclusters_add_default_team_id.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000125_remoteclusters_add_default_team_id.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000126_sharedchannels_remotes_add_deleteat.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000126_sharedchannels_remotes_add_deleteat.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000127_add_mfa_used_ts_to_users.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000127_add_mfa_used_ts_to_users.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000128_create_scheduled_posts.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000128_create_scheduled_posts.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000129_add_property_system_architecture.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000129_add_property_system_architecture.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000130_system_console_stats.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000130_system_console_stats.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000131_create_index_pagination_on_property_values.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000131_create_index_pagination_on_property_values.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000132_create_index_pagination_on_property_fields.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000132_create_index_pagination_on_property_fields.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000133_add_channel_banner_fields.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000133_add_channel_banner_fields.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000134_create_access_control_policies.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000134_create_access_control_policies.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000135_sidebarchannels_categoryid.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000135_sidebarchannels_categoryid.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000136_create_attribute_view.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000136_create_attribute_view.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000137_update_attribute_view.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000137_update_attribute_view.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000138_add_default_category_name_to_channel.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000138_add_default_category_name_to_channel.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000139_remoteclusters_add_last_global_user_sync_at.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000139_remoteclusters_add_last_global_user_sync_at.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000140_add_lastmemberssyncat_to_sharedchannelremotes.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000140_add_lastmemberssyncat_to_sharedchannelremotes.up.sql
 delete mode 100644 server/channels/db/migrations/mysql/000141_add_remoteid_channelid_to_post_acknowledgements.down.sql
 delete mode 100644 server/channels/db/migrations/mysql/000141_add_remoteid_channelid_to_post_acknowledgements.up.sql
 delete mode 100644 server/public/utils/sql/sql_utils_test.go

diff --git a/.github/workflows/README.md b/.github/workflows/README.md
index bd7e5df6fa7..b867ba24e9d 100644
--- a/.github/workflows/README.md
+++ b/.github/workflows/README.md
@@ -12,13 +12,13 @@ server-ci-pr
 |
 ---server-ci-template
 	|
-	---server-test-template (common code for postgres and mysql tests)
+	---server-test-template
 
 server-ci-master
 |
 ---server-ci-template
 	|
-	---server-test-template (common code for postgres and mysql tests)
+	---server-test-template
 
 webapp-ci-pr
 |
diff --git a/.github/workflows/esrupgrade-common.yml b/.github/workflows/esrupgrade-common.yml
deleted file mode 100644
index 1ce7b092a35..00000000000
--- a/.github/workflows/esrupgrade-common.yml
+++ /dev/null
@@ -1,161 +0,0 @@
-name: ESR Upgrade
-on:
-  workflow_call:
-    inputs:
-      db-dump-url:
-        required: true
-        type: string
-      initial-version:
-        required: true
-        type: string
-      final-version:
-        required: true
-        type: string
-env:
-  COMPOSE_PROJECT_NAME: ghactions
-  BUILD_IMAGE: mattermost/mattermost-enterprise-edition:${{ inputs.final-version }}
-  MYSQL_CONN_ARGS: -h localhost -P 3306 --protocol=tcp -ummuser -pmostest mattermost_test
-  DUMP_SERVER_NAME: esr.${{ inputs.initial-version }}-${{ inputs.final-version }}.dump.server.sql
-  DUMP_SCRIPT_NAME: esr.${{ inputs.initial-version }}-${{ inputs.final-version }}.dump.script.sql
-  MIGRATION_SCRIPT: esr.${{ inputs.initial-version }}-${{ inputs.final-version }}.mysql.up.sql
-  CLEANUP_SCRIPT: esr.${{ inputs.initial-version }}-${{ inputs.final-version }}.mysql.cleanup.sql
-  PREPROCESS_SCRIPT: esr.common.mysql.preprocess.sql
-  DIFF_NAME: esr.${{ inputs.initial-version }}-${{ inputs.final-version }}.diff
-jobs:
-  esr-upgrade-server:
-    runs-on: ubuntu-22.04
-    timeout-minutes: 30
-    steps:
-      - name: Checkout mattermost project
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-      - name: Run docker compose
-        run: |
-          cd server/build
-          docker compose --no-ansi run --rm start_dependencies
-          cat ../tests/custom-schema-cpa.ldif | docker compose --ansi never exec -T openldap bash -c 'ldapadd -Y EXTERNAL -H ldapi:/// -w mostest || true';
-          cat ../tests/test-data.ldif | docker compose --no-ansi exec -T openldap bash -c 'ldapadd -x -D "cn=admin,dc=mm,dc=test,dc=com" -w mostest';
-          docker compose --no-ansi exec -T minio sh -c 'mkdir -p /data/mattermost-test';
-          docker compose --no-ansi ps
-      - name: Wait for docker compose
-        run: |
-          until docker network inspect ghactions_mm-test; do echo "Waiting for Docker Compose Network..."; sleep 1; done;
-          docker run --net ghactions_mm-test appropriate/curl:latest sh -c "until curl --max-time 5 --output - http://mysql:3306; do echo waiting for mysql; sleep 5; done;"
-          docker run --net ghactions_mm-test appropriate/curl:latest sh -c "until curl --max-time 5 --output - http://elasticsearch:9200; do echo waiting for elasticsearch; sleep 5; done;"
-      - name: Initialize the database with the source DB dump
-        run: |
-          curl ${{ inputs.db-dump-url }} | zcat | docker exec -i ghactions_mysql_1 mysql -AN $MYSQL_CONN_ARGS
-      - name: Common preprocessing of the DB dump
-        run: |
-          cd server/scripts/esrupgrades
-          docker exec -i ghactions_mysql_1 mysql -AN $MYSQL_CONN_ARGS < $PREPROCESS_SCRIPT
-      - name: Pull EE image
-        run: |
-          docker pull $BUILD_IMAGE
-      - name: Run migration through server
-        run: |
-          mkdir -p client/plugins
-          cd server/build
-          # Run the server in the background to trigger the migrations
-          docker run --name mmserver \
-            --net ghactions_mm-test \
-            --ulimit nofile=8096:8096 \
-            --env-file=dotenv/test.env \
-            --env MM_SQLSETTINGS_DRIVERNAME="mysql" \
-            --env MM_SQLSETTINGS_DATASOURCE="mmuser:mostest@tcp(mysql:3306)/mattermost_test?charset=utf8mb4&multiStatements=true&maxAllowedPacket=4194304" \
-            -v ~/work/mattermost:/mm \
-            -w /mm \
-            $BUILD_IMAGE &
-          # In parallel, wait for the migrations to finish.
-          # To verify this, we check that the server has finished the startup job through the log line "Server is listening on"
-          until docker logs mmserver | grep "Server is listening on"; do\
-            echo "Waiting for migrations to finish..."; \
-            sleep 1; \
-            done;
-          # Make sure to stop the server. Also, redirect output to null;
-          # otherwise, the name of the container gets written to the console, which is weird
-          docker stop mmserver > /dev/null
-      - name: Cleanup DB
-        run: |
-          cd server/scripts/esrupgrades
-          docker exec -i ghactions_mysql_1 mysql -AN $MYSQL_CONN_ARGS < $CLEANUP_SCRIPT
-      - name: Dump upgraded database
-        run: |
-          # Use --skip-opt to have each INSERT into one line.
-          # Use --set-gtid-purged=OFF to suppress GTID-related statements.
-          docker exec -i ghactions_mysql_1 mysqldump \
-            --skip-opt --set-gtid-purged=OFF \
-            $MYSQL_CONN_ARGS > $DUMP_SERVER_NAME
-      - name: Cleanup dump and compress
-        run: |
-          # We skip the very last line, which simply contains the date of the dump
-          head -n -1 ${DUMP_SERVER_NAME} | gzip > ${DUMP_SERVER_NAME}.gz
-      - name: Upload dump
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
-        with:
-          name: upgraded-dump-server
-          path: ${{ env.DUMP_SERVER_NAME }}.gz
-  esr-upgrade-script:
-    runs-on: ubuntu-22.04
-    timeout-minutes: 30
-    steps:
-      - name: Checkout mattermost project
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-      - name: Run docker compose
-        run: |
-          cd server/build
-          docker compose --no-ansi run --rm start_dependencies
-          cat ../tests/custom-schema-cpa.ldif | docker compose --ansi never exec -T openldap bash -c 'ldapadd -Y EXTERNAL -H ldapi:/// -w mostest || true';
-          cat ../tests/test-data.ldif | docker compose --no-ansi exec -T openldap bash -c 'ldapadd -x -D "cn=admin,dc=mm,dc=test,dc=com" -w mostest';
-          docker compose --no-ansi exec -T minio sh -c 'mkdir -p /data/mattermost-test';
-          docker compose --no-ansi ps
-      - name: Wait for docker compose
-        run: |
-          until docker network inspect ghactions_mm-test; do echo "Waiting for Docker Compose Network..."; sleep 1; done;
-          docker run --net ghactions_mm-test appropriate/curl:latest sh -c "until curl --max-time 5 --output - http://mysql:3306; do echo waiting for mysql; sleep 5; done;"
-          docker run --net ghactions_mm-test appropriate/curl:latest sh -c "until curl --max-time 5 --output - http://elasticsearch:9200; do echo waiting for elasticsearch; sleep 5; done;"
-      - name: Initialize the database with the source DB dump
-        run: |
-          curl ${{ inputs.db-dump-url }} | zcat | docker exec -i ghactions_mysql_1 mysql -AN $MYSQL_CONN_ARGS
-      - name: Preprocess the DB dump
-        run: |
-          cd server/scripts/esrupgrades
-          docker exec -i ghactions_mysql_1 mysql -AN $MYSQL_CONN_ARGS < $PREPROCESS_SCRIPT
-      - name: Run migration through script
-        run: |
-          cd server/scripts/esrupgrades
-          docker exec -i ghactions_mysql_1 mysql -AN $MYSQL_CONN_ARGS < $MIGRATION_SCRIPT
-      - name: Cleanup DB
-        run: |
-          cd server/scripts/esrupgrades
-          docker exec -i ghactions_mysql_1 mysql -AN $MYSQL_CONN_ARGS < $CLEANUP_SCRIPT
-      - name: Dump upgraded database
-        run: |
-          docker exec -i ghactions_mysql_1 mysqldump --skip-opt --set-gtid-purged=OFF $MYSQL_CONN_ARGS > $DUMP_SCRIPT_NAME
-      - name: Cleanup dump and compress
-        run: |
-          # We skip the very last line, which simply contains the date of the dump
-          head -n -1 ${DUMP_SCRIPT_NAME} | gzip > ${DUMP_SCRIPT_NAME}.gz
-      - name: Upload dump
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
-        with:
-          name: upgraded-dump-script
-          path: ${{ env.DUMP_SCRIPT_NAME }}.gz
-  esr-upgrade-diff:
-    runs-on: ubuntu-latest
-    needs:
-      - esr-upgrade-server
-      - esr-upgrade-script
-    steps:
-      - name: Retrieve dumps
-        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
-      - name: Diff dumps
-        run: |
-          gzip -d upgraded-dump-server/${DUMP_SERVER_NAME}.gz
-          gzip -d upgraded-dump-script/${DUMP_SCRIPT_NAME}.gz
-          diff upgraded-dump-server/$DUMP_SERVER_NAME upgraded-dump-script/$DUMP_SCRIPT_NAME > $DIFF_NAME
-      - name: Upload diff
-        if: failure() # Upload the diff only if the previous step failed; i.e., if the diff is non-empty
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
-        with:
-          name: dumps-diff
-          path: ${{ env.DIFF_NAME }}
diff --git a/.github/workflows/esrupgrade.yml b/.github/workflows/esrupgrade.yml
deleted file mode 100644
index 271801ec65e..00000000000
--- a/.github/workflows/esrupgrade.yml
+++ /dev/null
@@ -1,37 +0,0 @@
-name: ESR Upgrade
-on:
-  # Uncomment after https://mattermost.atlassian.net/browse/MM-53275 is fixed
-  # pull_request:
-  #   paths:
-  #     - 'server/scripts/esrupgrades/*'
-  #     - '.github/workflows/esr*'
-  push:
-    branches:
-      # - master
-      - cloud
-      - release-*
-jobs:
-  esr-upgrade-5_37-7_8:
-    name: Run ESR upgrade script from 5.37 to 7.8
-    if: github.repository_owner == 'mattermost'
-    uses: ./.github/workflows/esrupgrade-common.yml
-    with:
-      db-dump-url: https://lt-public-data.s3.amazonaws.com/47K_537_mysql_collationfixed.sql.gz
-      initial-version: 5.37
-      final-version: 7.8
-  esr-upgrade-5_37-6_3:
-    name: Run ESR upgrade script from 5.37 to 6.3
-    if: github.repository_owner == 'mattermost'
-    uses: ./.github/workflows/esrupgrade-common.yml
-    with:
-      db-dump-url: https://lt-public-data.s3.amazonaws.com/47K_537_mysql_collationfixed.sql.gz
-      initial-version: 5.37
-      final-version: 6.3
-  esr-upgrade-6_3-7_8:
-    name: Run ESR upgrade script from 6.3 to 7.8
-    if: github.repository_owner == 'mattermost'
-    uses: ./.github/workflows/esrupgrade-common.yml
-    with:
-      db-dump-url: https://lt-public-data.s3.amazonaws.com/47K_63_mysql.sql.gz
-      initial-version: 6.3
-      final-version: 7.8
diff --git a/.github/workflows/migration.yml b/.github/workflows/migration.yml
deleted file mode 100644
index 16e472c38de..00000000000
--- a/.github/workflows/migration.yml
+++ /dev/null
@@ -1,77 +0,0 @@
-name: Database Migration Test
-on:
-  workflow_call:
-jobs:
-  test:
-    name: MySQL -> Postgres Migration
-    runs-on: ubuntu-22.04
-    env:
-      COMPOSE_PROJECT_NAME: ghactions
-      TEST_IMAGE: migration-test-image
-    defaults:
-      run:
-        working-directory: server
-    steps:
-      - name: Checkout mattermost project
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-      - name: Calculate Golang Version
-        id: go
-        working-directory: ./server
-        run: echo GO_VERSION=$(cat .go-version) >> "${GITHUB_OUTPUT}"
-      - name: Run docker compose
-        run: |
-          cd build
-          docker compose --ansi never run --rm start_dependencies
-          docker compose --ansi never exec -T minio sh -c 'mkdir -p /data/mattermost-test';
-          docker compose --ansi never ps
-      - name: Fix MySQL user permissions
-        run: |
-          cd build
-          docker exec ${COMPOSE_PROJECT_NAME}-mysql-1 sh -c "sed -i '/# default-authentication-plugin/c\default-authentication-plugin=mysql_native_password' /etc/my.cnf"
-          docker exec ${COMPOSE_PROJECT_NAME}-mysql-1 sh -c "mysql -u root -pmostest -e \"ALTER USER 'mmuser'@'%' IDENTIFIED WITH mysql_native_password BY 'mostest';\""
-          docker exec ${COMPOSE_PROJECT_NAME}-mysql-1 sh -c "mysql -u root -pmostest -e \"ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'mostest';\""
-          docker restart ${COMPOSE_PROJECT_NAME}-mysql-1 && sleep 10
-      - name: Build test image
-        env:
-          BUILD_IMAGE: golang:${{ steps.go.outputs.GO_VERSION }}-bookworm
-          PGLOADER_IMAGE: mattermost/mattermost-pgloader:v3.6.9
-        run: |
-          docker build -t $TEST_IMAGE - <<EOF
-          FROM $PGLOADER_IMAGE AS pgloader
-          FROM $BUILD_IMAGE
-          COPY --from=pgloader /usr/bin/pgloader /usr/bin/pgloader
-          EOF
-          # Print out installed pgloader version
-          docker run --rm $TEST_IMAGE pgloader --version
-      - name: Generate test-data
-        run: |
-          docker run --net ${COMPOSE_PROJECT_NAME}_mm-test \
-            --ulimit nofile=8096:8096 \
-            --env-file=build/dotenv/migration.env \
-            -v $(go env GOCACHE):/go/cache \
-            -e GOCACHE=/go/cache \
-            -v $PWD:/mattermost \
-            -w /mattermost \
-            $TEST_IMAGE \
-            make test-data
-      - name: Migrate the DB and compare
-        run: |
-          docker run --net ${COMPOSE_PROJECT_NAME}_mm-test \
-          --ulimit nofile=8096:8096 \
-          --env-file=build/dotenv/migration.env \
-          -v $(go env GOCACHE):/go/cache \
-          -e GOCACHE=/go/cache \
-          -v $PWD:/mattermost \
-          -w /mattermost \
-          $TEST_IMAGE \
-          make test-migration
-      - name: Upload artifacts
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
-        with:
-          name: Migration logs
-          path: server/migration.log
-          retention-days: 7
-      - name: Stop docker compose
-        run: |
-          cd build
-          docker compose --ansi never stop
diff --git a/.github/workflows/server-ci-template.yml b/.github/workflows/server-ci-template.yml
index 8fcac9f7703..23924d28e6d 100644
--- a/.github/workflows/server-ci-template.yml
+++ b/.github/workflows/server-ci-template.yml
@@ -254,16 +254,6 @@ jobs:
       datasource: postgres://mmuser:mostest@postgres:5432/mattermost_test?sslmode=disable&connect_timeout=10
       drivername: postgres
       logsartifact: postgres-server-test-logs
-  test-mysql:
-    name: MySQL
-    needs: check-mattermost-vet
-    uses: ./.github/workflows/server-test-template.yml
-    secrets: inherit
-    with:
-      name: MySQL
-      datasource: mmuser:mostest@tcp(mysql:3306)/mattermost_test?charset=utf8mb4&multiStatements=true&maxAllowedPacket=4194304
-      drivername: mysql
-      logsartifact: mysql-server-test-logs
   test-coverage:
     # Skip coverage generation for cherry-pick PRs into release branches.
     if: ${{ github.event_name != 'pull_request' || !startsWith(github.event.pull_request.base.ref, 'release-') }}
@@ -336,7 +326,3 @@ jobs:
           name: server-build-artifact
           path: server/build/
           retention-days: 2
-  test-migration:
-    name: MySQL to PostgreSQL Migration
-    uses: ./.github/workflows/migration.yml
-    secrets: inherit
diff --git a/server/Makefile b/server/Makefile
index 740f0f61372..88337c08013 100644
--- a/server/Makefile
+++ b/server/Makefile
@@ -233,9 +233,6 @@ else
 	cat tests/custom-schema-cpa.ldif | docker compose -f docker-compose.makefile.yml ${DOCKER_COMPOSE_OVERRIDE} exec -T openldap bash -c 'ldapadd -Y EXTERNAL -H ldapi:/// -w mostest || true';
 	cat tests/${LDAP_DATA}-data.ldif | docker compose -f docker-compose.makefile.yml ${DOCKER_COMPOSE_OVERRIDE} exec -T openldap bash -c 'ldapadd -x -D "cn=admin,dc=mm,dc=test,dc=com" -w mostest || true';
   endif
-  ifneq (,$(findstring mysql-read-replica,$(ENABLED_DOCKER_SERVICES)))
-	./scripts/replica-mysql-config.sh
-  endif
 endif
 
 update-docker: stop-docker ## Updates the docker containers for local development.
@@ -341,9 +338,6 @@ store-layers: ## Generate layers for the store
 
 new-migration: ## Creates a new migration. Run with make new-migration name=<>
 	$(GO) install github.com/mattermost/morph/cmd/morph@1e0640c
-	@echo "Generating new migration for mysql"
-	$(GOBIN)/morph new script $(name) --driver mysql --dir channels/db/migrations --sequence
-
 	@echo "Generating new migration for postgres"
 	$(GOBIN)/morph new script $(name) --driver postgres --dir channels/db/migrations --sequence
 
@@ -838,34 +832,5 @@ migrations-extract:
 	@echo "# Autogenerated file to synchronize migrations sequence in the PR workflow, please do not edit." > channels/db/migrations/migrations.list
 	find channels/db/migrations -maxdepth 2 -mindepth 2 | sort >> channels/db/migrations/migrations.list
 
-test-migration:
-	$(GO) install github.com/mattermost/morph/cmd/morph@latest
-	# apply postgres migrations to the new db
-	bin/morph apply up --driver postgres --dsn "${POSTGRES_DSN}" --path ${POSTGRES_MIGRATIONS_PATH} --number -1
-
-	# create temporary file for the config
-	@cp tests/template.load tests/temp.load
-
-	# set required values for the pgloader config, these values are read from /build/dotenv/migration.env in the CI
-	# do for psql credentials
-	@sed -i'' -e 's|{{ .pg_user }}|${PG_USERNAME}|g' tests/temp.load
-	@sed -i'' -e 's|{{ .pg_password }}|${PG_PASSWORD}|g' tests/temp.load
-	@sed -i'' -e 's|{{ .target_schema }}|${PG_SCHEMA}|g' tests/temp.load
-
-	# do for mysql credentials
-	@sed -i'' -e 's|{{ .mysql_user }}|${MYSQL_USERNAME}|g' tests/temp.load
-	@sed -i'' -e 's|{{ .mysql_password }}|${MYSQL_PASSWORD}|g' tests/temp.load
-	@sed -i'' -e 's|{{ .source_schema }}|${MYSQL_SCHEMA}|g' tests/temp.load
-
-	# run pgloader and save the logs
-	pgloader --debug tests/temp.load > migration.log
-
-	$(GO) install github.com/mattermost/dbcmp/cmd/dbcmp@9324978963
-	# compare two database contents
-	# db_migrations differ due to a typo in the 92. migration name
-	# for now we exclude plugins such as playbooks and focalboard
-	# we also exlude systems table temporarily due to adding some keys while running the initial migration
-	bin/dbcmp --source "${MYSQL_DSN}" --target "${POSTGRES_DSN}" --exclude="db_migrations","ir_","focalboard","systems","attributeview"
-
 test-local-filestore: # Run tests for local filestore
 	$(GO) test ./platform/shared/filestore -run '^TestLocalFileBackend' -v
diff --git a/server/build/docker-compose-generator/main.go b/server/build/docker-compose-generator/main.go
index bb14487f6c4..63fdbf6c338 100644
--- a/server/build/docker-compose-generator/main.go
+++ b/server/build/docker-compose-generator/main.go
@@ -24,21 +24,19 @@ type Container struct {
 
 func main() {
 	validServices := map[string]int{
-		"mysql":              3306,
-		"postgres":           5432,
-		"minio":              9000,
-		"inbucket":           9001,
-		"openldap":           389,
-		"elasticsearch":      9200,
-		"opensearch":         9201,
-		"redis":              6379,
-		"dejavu":             1358,
-		"keycloak":           8080,
-		"prometheus":         9090,
-		"grafana":            3000,
-		"loki":               3100,
-		"promtail":           3180,
-		"mysql-read-replica": 3306, // FIXME: not recognizing the successfully running service on port 3307.
+		"postgres":      5432,
+		"minio":         9000,
+		"inbucket":      9001,
+		"openldap":      389,
+		"elasticsearch": 9200,
+		"opensearch":    9201,
+		"redis":         6379,
+		"dejavu":        1358,
+		"keycloak":      8080,
+		"prometheus":    9090,
+		"grafana":       3000,
+		"loki":          3100,
+		"promtail":      3180,
 	}
 	command := []string{}
 	for _, arg := range os.Args[1:] {
diff --git a/server/build/docker-compose.common.yml b/server/build/docker-compose.common.yml
index b6a05a03a22..66adeb20481 100644
--- a/server/build/docker-compose.common.yml
+++ b/server/build/docker-compose.common.yml
@@ -1,45 +1,4 @@
 services:
-  mysql:
-    image: "mysql/mysql-server:8.0.32"
-    restart: always
-    networks:
-      - mm-test
-    environment:
-      MYSQL_ROOT_HOST: "%"
-      MYSQL_ROOT_PASSWORD: mostest
-      MYSQL_PASSWORD: mostest
-      MYSQL_USER: mmuser
-      MYSQL_DATABASE: mattermost_test
-    healthcheck:
-      test: ["CMD", "mysqladmin" ,"ping", "-h", "localhost"]
-      interval: 5s
-      timeout: 10s
-      retries: 3
-    volumes:
-      - ./docker/mysql.conf.d/source.cnf:/etc/mysql/conf.d/mysql.cnf
-  mysql-read-replica:
-    image: "mysql/mysql-server:8.0.32"
-    restart: always
-    networks:
-      - mm-test
-    ports:
-      - target: 3306
-        published: 3307
-        protocol: tcp
-        mode: host
-    environment:
-      MYSQL_ROOT_HOST: "%"
-      MYSQL_ROOT_PASSWORD: mostest
-      MYSQL_PASSWORD: mostest
-      MYSQL_USER: mmuser
-      MYSQL_DATABASE: mattermost_test
-    healthcheck:
-      test: ["CMD", "mysqladmin" ,"ping", "-h", "localhost"]
-      interval: 5s
-      timeout: 10s
-      retries: 3
-    volumes:
-      - ./docker/mysql.conf.d/replica.cnf:/etc/mysql/conf.d/mysql.cnf
   postgres:
     image: "postgres:13"
     restart: always
diff --git a/server/build/docker-compose.yml b/server/build/docker-compose.yml
index 79a58d02a21..438f0cbe3b2 100644
--- a/server/build/docker-compose.yml
+++ b/server/build/docker-compose.yml
@@ -1,11 +1,4 @@
 services:
-  mysql:
-    extends:
-        file: docker-compose.common.yml
-        service: mysql
-    tmpfs: /var/lib/mysql
-    volumes:
-     - "./docker/mysql.conf.d:/etc/mysql/conf.d"
   postgres:
     extends:
         file: docker-compose.common.yml
@@ -65,7 +58,6 @@ services:
     networks:
       - mm-test
     depends_on:
-      - mysql
       - postgres
       - minio
       - inbucket
@@ -73,7 +65,7 @@ services:
       - elasticsearch
       - opensearch
       - redis
-    command: postgres:5432 mysql:3306 minio:9000 inbucket:9001 openldap:389 elasticsearch:9200 opensearch:9201 redis:6379
+    command: postgres:5432 minio:9000 inbucket:9001 openldap:389 elasticsearch:9200 opensearch:9201 redis:6379
 
 networks:
   mm-test:
diff --git a/server/build/docker/grafana/dashboards/home.json b/server/build/docker/grafana/dashboards/home.json
index a84987f122f..ab25671d2c3 100644
--- a/server/build/docker/grafana/dashboards/home.json
+++ b/server/build/docker/grafana/dashboards/home.json
@@ -163,17 +163,6 @@
           "queryType": "range",
           "refId": "A"
         },
-        {
-          "datasource": {
-            "type": "loki",
-            "uid": "P8E80F9AEF21F6940"
-          },
-          "editorMode": "code",
-          "expr": "sum(count_over_time({container=\"mattermost-mysql\"}[5m])) or vector(0)",
-          "legendFormat": "MySQL",
-          "queryType": "range",
-          "refId": "B"
-        },
         {
           "datasource": {
             "type": "loki",
diff --git a/server/build/docker/mysql.conf.d/custom.cnf b/server/build/docker/mysql.conf.d/custom.cnf
deleted file mode 100644
index ee186841506..00000000000
--- a/server/build/docker/mysql.conf.d/custom.cnf
+++ /dev/null
@@ -1,20 +0,0 @@
-[mysqld]
-bind-address = 0.0.0.0
-
-default-authentication-plugin=mysql_native_password
-log-output = NONE
-slow-query-log = 0
-innodb_flush_log_at_trx_commit = 2
-innodb_flush_method = nosync
-innodb_lock_wait_timeout = 50
-innodb_log_buffer_size = 3M
-innodb_buffer_pool_size = 180M
-
-max_connect_errors = 1000000
-max_connections = 900
-
-character-set-server = utf8
-sql_mode = ""
-innodb = FORCE
-default-storage-engine = Memory
-max_allowed_packet = 256M
diff --git a/server/build/docker/mysql.conf.d/replica.cnf b/server/build/docker/mysql.conf.d/replica.cnf
deleted file mode 100644
index a0ee6e162a7..00000000000
--- a/server/build/docker/mysql.conf.d/replica.cnf
+++ /dev/null
@@ -1,3 +0,0 @@
-[mysqld]
-
-server-id = 2
\ No newline at end of file
diff --git a/server/build/docker/mysql.conf.d/source.cnf b/server/build/docker/mysql.conf.d/source.cnf
deleted file mode 100644
index bb0a1c35df2..00000000000
--- a/server/build/docker/mysql.conf.d/source.cnf
+++ /dev/null
@@ -1,4 +0,0 @@
-[mysqld]
-
-server-id = 1
-log-bin = mysql-bin
\ No newline at end of file
diff --git a/server/build/dotenv/migration.env b/server/build/dotenv/migration.env
deleted file mode 100644
index 1a36e6871ca..00000000000
--- a/server/build/dotenv/migration.env
+++ /dev/null
@@ -1,16 +0,0 @@
-GOBIN=/mattermost/bin
-PG_USERNAME=mmuser
-PG_PASSWORD=mostest
-PG_SCHEMA=mattermost_test
-MYSQL_USERNAME=root
-MYSQL_PASSWORD=mostest
-MYSQL_SCHEMA=mattermost_test
-POSTGRES_MIGRATIONS_PATH=./channels/db/migrations/postgres
-MYSQL_DSN=${MYSQL_USERNAME}:${MYSQL_PASSWORD}@tcp(mysql:3306)/${MYSQL_SCHEMA}?charset=utf8mb4&readTimeout=30s&writeTimeout=30s&multiStatements=true
-POSTGRES_DSN=postgres://${PG_USERNAME}:${PG_PASSWORD}@postgres:5432/${PG_SCHEMA}?sslmode=disable
-
-MM_SERVICESETTINGS_ENABLELOCALMODE=true
-MM_SQLSETTINGS_DRIVERNAME=mysql
-MM_SQLSETTINGS_DATASOURCE=mmuser:mostest@tcp(mysql:3306)/mattermost_test?charset=utf8mb4&readTimeout=30s&writeTimeout=30s&multiStatements=true&maxAllowedPacket=4194304
-MAX_WAIT_SECONDS=500
-IS_CI=true
diff --git a/server/build/dotenv/test.env b/server/build/dotenv/test.env
index 0c6f77bcb45..00d55edbd2f 100644
--- a/server/build/dotenv/test.env
+++ b/server/build/dotenv/test.env
@@ -1,6 +1,4 @@
-TEST_DATABASE_MYSQL_DSN=mmuser:mostest@tcp(mysql:3306)/mattermost_test?charset=utf8mb4&readTimeout=30s&writeTimeout=30s&multiStatements=true&maxAllowedPacket=4194304
 TEST_DATABASE_POSTGRESQL_DSN=postgres://mmuser:mostest@postgres:5432/mattermost_test?sslmode=disable&connect_timeout=10
-TEST_DATABASE_MYSQL_ROOT_PASSWD=mostest
 GOBIN=/mattermost/server/bin
 
 CI_INBUCKET_HOST=inbucket
diff --git a/server/build/legacy.mk b/server/build/legacy.mk
deleted file mode 100644
index 57e2d88387c..00000000000
--- a/server/build/legacy.mk
+++ /dev/null
@@ -1,80 +0,0 @@
-# test-te used to just run the team edition tests, but now runs whatever is available
-test-te: test-server
-
-# test-ee used to just run the enterprise edition tests, but now runs whatever is available
-test-ee: test-server
-
-## Old target to run go vet. Now it just invokes golangci-lint.
-govet: golangci-lint
-
-gofmt: ## Runs gofmt against all packages. This is now subsumed by make golangci-lint.
-	@echo Running GOFMT
-
-	@for package in $(TE_PACKAGES) $(EE_PACKAGES); do \
-		 echo "Checking "$$package; \
-		 files=$$($(GO) list $(GOFLAGS) -f '{{range .GoFiles}}{{$$.Dir}}/{{.}} {{end}}' $$package); \
-		 if [ "$$files" ]; then \
-			 gofmt_output=$$(gofmt -d -s $$files 2>&1); \
-			 if [ "$$gofmt_output" ]; then \
-				 echo "$$gofmt_output"; \
-				 echo "gofmt failure"; \
-				 exit 1; \
-			 fi; \
-		 fi; \
-	done
-	@echo "gofmt success"; \
-
-# check-licenses was used to check the license of the files, but now is done through mattermost-govet
-check-licenses: vet
-
-# clean old docker images
-clean-old-docker:
-	@echo Removing docker containers
-
-	@if [ $(shell docker ps -a --no-trunc --quiet --filter name=^/mattermost-mysql$$ | wc -l) -eq 1 ]; then \
-		echo removing mattermost-mysql; \
-		docker stop mattermost-mysql > /dev/null; \
-		docker rm -v mattermost-mysql > /dev/null; \
-	fi
-
-	@if [ $(shell docker ps -a --no-trunc --quiet --filter name=^/mattermost-mysql-unittest$$ | wc -l) -eq 1 ]; then \
-		echo removing mattermost-mysql-unittest; \
-		docker stop mattermost-mysql-unittest > /dev/null; \
-		docker rm -v mattermost-mysql-unittest > /dev/null; \
-	fi
-
-	@if [ $(shell docker ps -a --no-trunc --quiet --filter name=^/mattermost-postgres$$ | wc -l) -eq 1 ]; then \
-		echo removing mattermost-postgres; \
-		docker stop mattermost-postgres > /dev/null; \
-		docker rm -v mattermost-postgres > /dev/null; \
-	fi
-
-	@if [ $(shell docker ps -a --no-trunc --quiet --filter name=^/mattermost-postgres-unittest$$ | wc -l) -eq 1 ]; then \
-		echo removing mattermost-postgres-unittest; \
-		docker stop mattermost-postgres-unittest > /dev/null; \
-		docker rm -v mattermost-postgres-unittest > /dev/null; \
-	fi
-
-	@if [ $(shell docker ps -a | grep -ci mattermost-openldap) -eq 1 ]; then \
-		echo removing mattermost-openldap; \
-		docker stop mattermost-openldap > /dev/null; \
-		docker rm -v mattermost-openldap > /dev/null; \
-	fi
-
-	@if [ $(shell docker ps -a | grep -ci mattermost-inbucket) -eq 1 ]; then \
-		echo removing mattermost-inbucket; \
-		docker stop mattermost-inbucket > /dev/null; \
-		docker rm -v mattermost-inbucket > /dev/null; \
-	fi
-
-	@if [ $(shell docker ps -a | grep -ci mattermost-minio) -eq 1 ]; then \
-		echo removing mattermost-minio; \
-		docker stop mattermost-minio > /dev/null; \
-		docker rm -v mattermost-minio > /dev/null; \
-	fi
-
-	@if [ $(shell docker ps -a | grep -ci mattermost-elasticsearch) -eq 1 ]; then \
-		echo removing mattermost-elasticsearch; \
-		docker stop mattermost-elasticsearch > /dev/null; \
-		docker rm -v mattermost-elasticsearch > /dev/null; \
-	fi
diff --git a/server/channels/api4/access_control_test.go b/server/channels/api4/access_control_test.go
index 04fd4bfe7d3..1727ec39d3b 100644
--- a/server/channels/api4/access_control_test.go
+++ b/server/channels/api4/access_control_test.go
@@ -22,10 +22,6 @@ func TestCreateAccessControlPolicy(t *testing.T) {
 		os.Unsetenv("MM_FEATUREFLAGS_ATTRIBUTEBASEDACCESSCONTROL")
 	})
 
-	if *mainHelper.GetSQLSettings().DriverName == model.DatabaseDriverMysql {
-		t.Skip("Access control tests are not supported on MySQL")
-	}
-
 	samplePolicy := &model.AccessControlPolicy{
 		Type:     model.AccessControlPolicyTypeChannel,
 		Version:  model.AccessControlPolicyVersionV0_1,
@@ -93,10 +89,6 @@ func TestGetAccessControlPolicy(t *testing.T) {
 		os.Unsetenv("MM_FEATUREFLAGS_ATTRIBUTEBASEDACCESSCONTROL")
 	})
 
-	if *mainHelper.GetSQLSettings().DriverName == model.DatabaseDriverMysql {
-		t.Skip("Access control tests are not supported on MySQL")
-	}
-
 	samplePolicy := &model.AccessControlPolicy{
 		ID:       model.NewId(),
 		Type:     model.AccessControlPolicyTypeChannel,
@@ -160,10 +152,6 @@ func TestDeleteAccessControlPolicy(t *testing.T) {
 		os.Unsetenv("MM_FEATUREFLAGS_ATTRIBUTEBASEDACCESSCONTROL")
 	})
 
-	if *mainHelper.GetSQLSettings().DriverName == model.DatabaseDriverMysql {
-		t.Skip("Access control tests are not supported on MySQL")
-	}
-
 	samplePolicyID := model.NewId()
 
 	t.Run("DeleteAccessControlPolicy without license", func(t *testing.T) {
@@ -214,10 +202,6 @@ func TestCheckExpression(t *testing.T) {
 		os.Unsetenv("MM_FEATUREFLAGS_ATTRIBUTEBASEDACCESSCONTROL")
 	})
 
-	if *mainHelper.GetSQLSettings().DriverName == model.DatabaseDriverMysql {
-		t.Skip("Access control tests are not supported on MySQL")
-	}
-
 	t.Run("CheckExpression without license", func(t *testing.T) {
 		_, resp, err := th.SystemAdminClient.CheckExpression(context.Background(), "true")
 		require.Error(t, err)
@@ -291,10 +275,6 @@ func TestTestExpression(t *testing.T) {
 		os.Unsetenv("MM_FEATUREFLAGS_ATTRIBUTEBASEDACCESSCONTROL")
 	})
 
-	if *mainHelper.GetSQLSettings().DriverName == model.DatabaseDriverMysql {
-		t.Skip("Access control tests are not supported on MySQL")
-	}
-
 	t.Run("TestExpression without license", func(t *testing.T) {
 		_, resp, err := th.SystemAdminClient.TestExpression(context.Background(), model.QueryExpressionParams{})
 		require.Error(t, err)
@@ -347,10 +327,6 @@ func TestSearchAccessControlPolicies(t *testing.T) {
 		os.Unsetenv("MM_FEATUREFLAGS_ATTRIBUTEBASEDACCESSCONTROL")
 	})
 
-	if *mainHelper.GetSQLSettings().DriverName == model.DatabaseDriverMysql {
-		t.Skip("Access control tests are not supported on MySQL")
-	}
-
 	t.Run("SearchAccessControlPolicies without license", func(t *testing.T) {
 		_, resp, err := th.SystemAdminClient.SearchAccessControlPolicies(context.Background(), model.AccessControlPolicySearch{})
 		require.Error(t, err)
@@ -405,10 +381,6 @@ func TestAssignAccessPolicy(t *testing.T) {
 		os.Unsetenv("MM_FEATUREFLAGS_ATTRIBUTEBASEDACCESSCONTROL")
 	})
 
-	if *mainHelper.GetSQLSettings().DriverName == model.DatabaseDriverMysql {
-		t.Skip("Access control tests are not supported on MySQL")
-	}
-
 	samplePolicy := &model.AccessControlPolicy{
 		ID:       model.NewId(),
 		Type:     model.AccessControlPolicyTypeParent,
@@ -476,10 +448,6 @@ func TestUnassignAccessPolicy(t *testing.T) {
 		os.Unsetenv("MM_FEATUREFLAGS_ATTRIBUTEBASEDACCESSCONTROL")
 	})
 
-	if *mainHelper.GetSQLSettings().DriverName == model.DatabaseDriverMysql {
-		t.Skip("Access control tests are not supported on MySQL")
-	}
-
 	samplePolicy := &model.AccessControlPolicy{
 		ID:       model.NewId(),
 		Type:     model.AccessControlPolicyTypeParent,
@@ -551,10 +519,6 @@ func TestGetChannelsForAccessControlPolicy(t *testing.T) {
 		os.Unsetenv("MM_FEATUREFLAGS_ATTRIBUTEBASEDACCESSCONTROL")
 	})
 
-	if *mainHelper.GetSQLSettings().DriverName == model.DatabaseDriverMysql {
-		t.Skip("Access control tests are not supported on MySQL")
-	}
-
 	samplePolicy := &model.AccessControlPolicy{
 		ID:       model.NewId(),
 		Type:     model.AccessControlPolicyTypeParent,
@@ -632,10 +596,6 @@ func TestSearchChannelsForAccessControlPolicy(t *testing.T) {
 	}
 
 	t.Run("SearchChannelsForAccessControlPolicy with regular user", func(t *testing.T) {
-		if *mainHelper.GetSQLSettings().DriverName == model.DatabaseDriverMysql {
-			t.Skip("Access control tests are not supported on MySQL")
-		}
-
 		ok := th.App.Srv().SetLicense(model.NewTestLicenseSKU(model.LicenseShortSkuEnterpriseAdvanced))
 		require.True(t, ok, "SetLicense should return true")
 
diff --git a/server/channels/api4/channel_test.go b/server/channels/api4/channel_test.go
index 61ce244c31b..ac670bed104 100644
--- a/server/channels/api4/channel_test.go
+++ b/server/channels/api4/channel_test.go
@@ -847,10 +847,6 @@ func TestPatchChannel(t *testing.T) {
 	})
 
 	t.Run("Should be able to configure channel banner on a channel", func(t *testing.T) {
-		if *mainHelper.GetSQLSettings().DriverName == model.DatabaseDriverMysql {
-			t.Skip("Channel banner tests are not supported on MySQL")
-		}
-
 		_, err := client.Logout(context.Background())
 		require.NoError(t, err)
 		th.LoginBasic()
@@ -910,10 +906,6 @@ func TestPatchChannel(t *testing.T) {
 	})
 
 	t.Run("Should be able to configure channel banner as a team admin", func(t *testing.T) {
-		if *mainHelper.GetSQLSettings().DriverName == model.DatabaseDriverMysql {
-			t.Skip("Channel banner tests are not supported on MySQL")
-		}
-
 		_, err := client.Logout(context.Background())
 		require.NoError(t, err)
 		th.LoginTeamAdmin()
@@ -941,10 +933,6 @@ func TestPatchChannel(t *testing.T) {
 	})
 
 	t.Run("Cannot enable channel banner without configuring it", func(t *testing.T) {
-		if *mainHelper.GetSQLSettings().DriverName == model.DatabaseDriverMysql {
-			t.Skip("Channel banner tests are not supported on MySQL")
-		}
-
 		_, err := client.Logout(context.Background())
 		require.NoError(t, err)
 		th.LoginBasic()
@@ -1069,10 +1057,6 @@ func TestCanEditChannelBanner(t *testing.T) {
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
-	if *mainHelper.GetSQLSettings().DriverName == model.DatabaseDriverMysql {
-		t.Skip("Channel banner tests are not supported on MySQL")
-	}
-
 	t.Run("when license is nil", func(t *testing.T) {
 		channel := &model.Channel{
 			Type: model.ChannelTypeOpen,
diff --git a/server/channels/api4/license.go b/server/channels/api4/license.go
index e345253336e..f9dc659a5ac 100644
--- a/server/channels/api4/license.go
+++ b/server/channels/api4/license.go
@@ -185,12 +185,6 @@ func requestTrialLicense(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	// MySQL is not supported for trial licenses
-	if c.App.Config().SqlSettings.DriverName != nil && *c.App.Config().SqlSettings.DriverName == model.DatabaseDriverMysql {
-		c.Err = model.NewAppError("requestTrialLicense", "api.license.request-trial.mysql.app_error", nil, "mysql is not supported for trial licenses", http.StatusBadRequest)
-		return
-	}
-
 	if c.App.Srv().Platform().LicenseManager() == nil {
 		c.Err = model.NewAppError("requestTrialLicense", "api.license.upgrade_needed.app_error", nil, "", http.StatusForbidden)
 		return
diff --git a/server/channels/api4/license_test.go b/server/channels/api4/license_test.go
index e47f8f4e0cf..92c317c1fc0 100644
--- a/server/channels/api4/license_test.go
+++ b/server/channels/api4/license_test.go
@@ -260,27 +260,7 @@ func TestRequestTrialLicenseWithExtraFields(t *testing.T) {
 		CheckForbiddenStatus(t, resp)
 	})
 
-	t.Run("mysql database not supported", func(t *testing.T) {
-		// Skip this test unless running with MySQL driver
-		if *th.App.Config().SqlSettings.DriverName != model.DatabaseDriverMysql {
-			t.Skip("Skipping test - only runs with MySQL driver")
-		}
-
-		licenseManagerMock := &mocks.LicenseInterface{}
-		licenseManagerMock.On("CanStartTrial").Return(true, nil).Once()
-		th.App.Srv().Platform().SetLicenseManager(licenseManagerMock)
-
-		resp, err := th.SystemAdminClient.RequestTrialLicenseWithExtraFields(context.Background(), validTrialRequest)
-		CheckErrorID(t, err, "api.license.request-trial.mysql.app_error")
-		CheckBadRequestStatus(t, resp)
-	})
-
 	t.Run("trial license user count less than current users", func(t *testing.T) {
-		// Skip this test when MySQL is configured as it hits the MySQL check first
-		if *th.App.Config().SqlSettings.DriverName == model.DatabaseDriverMysql {
-			t.Skip("Skipping test - MySQL does not support trial licenses")
-		}
-
 		license := model.NewTestLicense()
 		license.Features.Users = model.NewPointer(nUsers)
 		licenseJSON, jsonErr := json.Marshal(license)
@@ -317,11 +297,6 @@ func TestRequestTrialLicenseWithExtraFields(t *testing.T) {
 	})
 
 	t.Run("returns status 451 when it receives status 451", func(t *testing.T) {
-		// Skip this test when MySQL is configured as it hits the MySQL check first
-		if *th.App.Config().SqlSettings.DriverName == model.DatabaseDriverMysql {
-			t.Skip("Skipping test - MySQL does not support trial licenses")
-		}
-
 		license := model.NewTestLicense()
 		license.Features.Users = model.NewPointer(nUsers)
 		licenseJSON, jsonErr := json.Marshal(license)
@@ -352,11 +327,6 @@ func TestRequestTrialLicenseWithExtraFields(t *testing.T) {
 	})
 
 	t.Run("returns status 400 if request is a mix of legacy and new fields", func(t *testing.T) {
-		// Skip this test when MySQL is configured as it hits the MySQL check first
-		if *th.App.Config().SqlSettings.DriverName == model.DatabaseDriverMysql {
-			t.Skip("Skipping test - MySQL does not support trial licenses")
-		}
-
 		validTrialRequest.CompanyCountry = ""
 		validTrialRequest.Users = 100
 		defer func() { validTrialRequest.CompanyCountry = "US" }()
@@ -396,12 +366,8 @@ func TestRequestTrialLicenseWithExtraFields(t *testing.T) {
 	})
 
 	th.App.Srv().Platform().SetLicenseManager(nil)
-	t.Run("trial license should fail if LicenseManager is nil", func(t *testing.T) {
-		// Skip this test when MySQL is configured as it hits the MySQL check first
-		if *th.App.Config().SqlSettings.DriverName == model.DatabaseDriverMysql {
-			t.Skip("Skipping test - MySQL does not support trial licenses")
-		}
 
+	t.Run("trial license should fail if LicenseManager is nil", func(t *testing.T) {
 		resp, err := th.SystemAdminClient.RequestTrialLicenseWithExtraFields(context.Background(), validTrialRequest)
 		CheckErrorID(t, err, "api.license.upgrade_needed.app_error")
 		CheckForbiddenStatus(t, resp)
@@ -425,27 +391,7 @@ func TestRequestTrialLicense(t *testing.T) {
 		CheckForbiddenStatus(t, resp)
 	})
 
-	t.Run("mysql database not supported", func(t *testing.T) {
-		// Skip this test unless running with MySQL driver
-		if *th.App.Config().SqlSettings.DriverName != model.DatabaseDriverMysql {
-			t.Skip("Skipping test - only runs with MySQL driver")
-		}
-
-		licenseManagerMock := &mocks.LicenseInterface{}
-		licenseManagerMock.On("CanStartTrial").Return(true, nil).Once()
-		th.App.Srv().Platform().SetLicenseManager(licenseManagerMock)
-
-		resp, err := th.SystemAdminClient.RequestTrialLicense(context.Background(), 1000)
-		CheckErrorID(t, err, "api.license.request-trial.mysql.app_error")
-		CheckBadRequestStatus(t, resp)
-	})
-
 	t.Run("trial license invalid JSON", func(t *testing.T) {
-		// Skip this test when MySQL is configured as it hits the MySQL check first
-		if *th.App.Config().SqlSettings.DriverName == model.DatabaseDriverMysql {
-			t.Skip("Skipping test - MySQL does not support trial licenses")
-		}
-
 		// the JSON is invalid because it is missing a closing brace
 
 		licenseManagerMock := &mocks.LicenseInterface{}
@@ -458,11 +404,6 @@ func TestRequestTrialLicense(t *testing.T) {
 	})
 
 	t.Run("trial license user count less than current users", func(t *testing.T) {
-		// Skip this test when MySQL is configured as it hits the MySQL check first
-		if *th.App.Config().SqlSettings.DriverName == model.DatabaseDriverMysql {
-			t.Skip("Skipping test - MySQL does not support trial licenses")
-		}
-
 		nUsers := 1
 		license := model.NewTestLicense()
 		license.Features.Users = model.NewPointer(nUsers)
@@ -498,11 +439,6 @@ func TestRequestTrialLicense(t *testing.T) {
 	})
 
 	t.Run("returns status 451 when it receives status 451", func(t *testing.T) {
-		// Skip this test when MySQL is configured as it hits the MySQL check first
-		if *th.App.Config().SqlSettings.DriverName == model.DatabaseDriverMysql {
-			t.Skip("Skipping test - MySQL does not support trial licenses")
-		}
-
 		nUsers := 1
 		license := model.NewTestLicense()
 		license.Features.Users = model.NewPointer(nUsers)
@@ -535,11 +471,6 @@ func TestRequestTrialLicense(t *testing.T) {
 
 	th.App.Srv().Platform().SetLicenseManager(nil)
 	t.Run("trial license should fail if LicenseManager is nil", func(t *testing.T) {
-		// Skip this test when MySQL is configured as it hits the MySQL check first
-		if *th.App.Config().SqlSettings.DriverName == model.DatabaseDriverMysql {
-			t.Skip("Skipping test - MySQL does not support trial licenses")
-		}
-
 		resp, err := th.SystemAdminClient.RequestTrialLicense(context.Background(), 1)
 		CheckErrorID(t, err, "api.license.upgrade_needed.app_error")
 		CheckForbiddenStatus(t, resp)
diff --git a/server/channels/api4/main_test.go b/server/channels/api4/main_test.go
index f1b9aba5fef..27ef152d968 100644
--- a/server/channels/api4/main_test.go
+++ b/server/channels/api4/main_test.go
@@ -13,14 +13,7 @@ import (
 	"github.com/mattermost/mattermost/server/v8/channels/testlib"
 )
 
-var replicaFlag bool
-
 func TestMain(m *testing.M) {
-	if f := flag.Lookup("mysql-replica"); f == nil {
-		flag.BoolVar(&replicaFlag, "mysql-replica", false, "")
-		flag.Parse()
-	}
-
 	var parallelism int
 	if f := flag.Lookup("test.parallel"); f != nil {
 		parallelism, _ = strconv.Atoi(f.Value.String())
@@ -33,7 +26,6 @@ func TestMain(m *testing.M) {
 	options := testlib.HelperOptions{
 		EnableStore:     true,
 		EnableResources: true,
-		WithReadReplica: replicaFlag,
 		RunParallel:     runParallel,
 		Parallelism:     parallelism,
 	}
diff --git a/server/channels/api4/user_test.go b/server/channels/api4/user_test.go
index 64087c91ff1..cec48ab5225 100644
--- a/server/channels/api4/user_test.go
+++ b/server/channels/api4/user_test.go
@@ -4455,49 +4455,6 @@ func TestLogin(t *testing.T) {
 	})
 }
 
-func TestLoginWithLag(t *testing.T) {
-	th := Setup(t).InitBasic()
-	defer th.TearDown()
-	_, err := th.Client.Logout(context.Background())
-	require.NoError(t, err)
-
-	t.Run("with replication lag, caches cleared", func(t *testing.T) {
-		if !replicaFlag {
-			t.Skipf("requires test flag: -mysql-replica")
-		}
-
-		if *th.App.Config().SqlSettings.DriverName != model.DatabaseDriverMysql {
-			t.Skipf("requires %q database driver", model.DatabaseDriverMysql)
-		}
-
-		mainHelper.SQLStore.UpdateLicense(model.NewTestLicense("ldap"))
-		mainHelper.ToggleReplicasOff()
-
-		appErr := th.App.RevokeAllSessions(th.Context, th.BasicUser.Id)
-		require.Nil(t, appErr)
-
-		mainHelper.ToggleReplicasOn()
-		defer mainHelper.ToggleReplicasOff()
-
-		cmdErr := mainHelper.SetReplicationLagForTesting(5)
-		require.NoError(t, cmdErr)
-		defer func() {
-			err = mainHelper.SetReplicationLagForTesting(0)
-			require.NoError(t, err)
-		}()
-
-		_, _, err := th.Client.Login(context.Background(), th.BasicUser.Email, th.BasicUser.Password)
-		require.NoError(t, err)
-
-		appErr = th.App.Srv().InvalidateAllCaches()
-		require.Nil(t, appErr)
-
-		session, appErr := th.App.GetSession(th.Client.AuthToken)
-		require.Nil(t, appErr)
-		require.NotNil(t, session)
-	})
-}
-
 func TestLoginCookies(t *testing.T) {
 	mainHelper.Parallel(t)
 	t.Run("should return cookies with X-Requested-With header", func(t *testing.T) {
diff --git a/server/channels/app/email/main_test.go b/server/channels/app/email/main_test.go
index 6bd4473ab2b..81cd7743df7 100644
--- a/server/channels/app/email/main_test.go
+++ b/server/channels/app/email/main_test.go
@@ -14,16 +14,10 @@ import (
 )
 
 var (
-	mainHelper  *testlib.MainHelper
-	replicaFlag bool
+	mainHelper *testlib.MainHelper
 )
 
 func TestMain(m *testing.M) {
-	if f := flag.Lookup("mysql-replica"); f == nil {
-		flag.BoolVar(&replicaFlag, "mysql-replica", false, "")
-		flag.Parse()
-	}
-
 	var parallelism int
 	if f := flag.Lookup("test.parallel"); f != nil {
 		parallelism, _ = strconv.Atoi(f.Value.String())
@@ -36,7 +30,6 @@ func TestMain(m *testing.M) {
 	options := testlib.HelperOptions{
 		EnableStore:     true,
 		EnableResources: true,
-		WithReadReplica: replicaFlag,
 		RunParallel:     runParallel,
 		Parallelism:     parallelism,
 	}
diff --git a/server/channels/app/main_test.go b/server/channels/app/main_test.go
index 782d756e79b..dd8b081caa5 100644
--- a/server/channels/app/main_test.go
+++ b/server/channels/app/main_test.go
@@ -14,16 +14,10 @@ import (
 )
 
 var (
-	mainHelper  *testlib.MainHelper
-	replicaFlag bool
+	mainHelper *testlib.MainHelper
 )
 
 func TestMain(m *testing.M) {
-	if f := flag.Lookup("mysql-replica"); f == nil {
-		flag.BoolVar(&replicaFlag, "mysql-replica", false, "")
-		flag.Parse()
-	}
-
 	var parallelism int
 	if f := flag.Lookup("test.parallel"); f != nil {
 		parallelism, _ = strconv.Atoi(f.Value.String())
@@ -36,7 +30,6 @@ func TestMain(m *testing.M) {
 	options := testlib.HelperOptions{
 		EnableStore:     true,
 		EnableResources: true,
-		WithReadReplica: replicaFlag,
 		RunParallel:     runParallel,
 		Parallelism:     parallelism,
 	}
diff --git a/server/channels/app/platform/license.go b/server/channels/app/platform/license.go
index f516eb35f6f..87bb48ad1e0 100644
--- a/server/channels/app/platform/license.go
+++ b/server/channels/app/platform/license.go
@@ -134,10 +134,6 @@ func (ps *PlatformService) SaveLicense(licenseBytes []byte) (*model.License, *mo
 		return nil, model.NewAppError("addLicense", "api.license.add_license.invalid.app_error", nil, "", http.StatusBadRequest).Wrap(errors.New("license.Features.Users is nil"))
 	}
 
-	if license.SkuShortName == model.LicenseShortSkuEnterpriseAdvanced && *ps.Config().SqlSettings.DriverName == model.DatabaseDriverMysql {
-		return nil, model.NewAppError("addLicense", "api.license.add_license.mysql.app_error", nil, "", http.StatusBadRequest).Wrap(errors.New("mysql is not supported for this license"))
-	}
-
 	uniqueUserCount, err := ps.Store.User().Count(model.UserCountOptions{})
 	if err != nil {
 		return nil, model.NewAppError("addLicense", "api.license.add_license.invalid_count.app_error", nil, "", http.StatusBadRequest).Wrap(err)
@@ -229,13 +225,6 @@ func (ps *PlatformService) SaveLicense(licenseBytes []byte) (*model.License, *mo
 }
 
 func (ps *PlatformService) SetLicense(license *model.License) bool {
-	if license != nil && license.SkuShortName == model.LicenseShortSkuEnterpriseAdvanced && *ps.Config().SqlSettings.DriverName == model.DatabaseDriverMysql {
-		if ps.logger != nil {
-			ps.logger.Error("MySQL is not supported for this license", mlog.String("sku_short_name", license.SkuShortName))
-		}
-		return false
-	}
-
 	oldLicense := ps.licenseValue.Load()
 
 	defer func() {
diff --git a/server/channels/app/platform/license_test.go b/server/channels/app/platform/license_test.go
index 907c513988a..231adeef40f 100644
--- a/server/channels/app/platform/license_test.go
+++ b/server/channels/app/platform/license_test.go
@@ -68,12 +68,7 @@ func TestSaveEnterpriseAdvancedLicense(t *testing.T) {
 
 	_, appErr := th.Service.SaveLicense(licenseBytes)
 
-	if *th.Service.Config().SqlSettings.DriverName == model.DatabaseDriverMysql {
-		require.NotNil(t, appErr, "shouldn't have saved license")
-		require.Equal(t, "addLicense: api.license.add_license.mysql.app_error, mysql is not supported for this license", appErr.Error())
-	} else {
-		require.Nil(t, appErr, "should have saved license")
-	}
+	require.Nil(t, appErr, "should have saved license")
 }
 
 func TestRemoveLicense(t *testing.T) {
diff --git a/server/channels/app/platform/main_test.go b/server/channels/app/platform/main_test.go
index 767dd25eb39..28b872d970f 100644
--- a/server/channels/app/platform/main_test.go
+++ b/server/channels/app/platform/main_test.go
@@ -14,16 +14,10 @@ import (
 )
 
 var (
-	mainHelper  *testlib.MainHelper
-	replicaFlag bool
+	mainHelper *testlib.MainHelper
 )
 
 func TestMain(m *testing.M) {
-	if f := flag.Lookup("mysql-replica"); f == nil {
-		flag.BoolVar(&replicaFlag, "mysql-replica", false, "")
-		flag.Parse()
-	}
-
 	var parallelism int
 	if f := flag.Lookup("test.parallel"); f != nil {
 		parallelism, _ = strconv.Atoi(f.Value.String())
@@ -36,7 +30,6 @@ func TestMain(m *testing.M) {
 	options := testlib.HelperOptions{
 		EnableStore:     true,
 		EnableResources: true,
-		WithReadReplica: replicaFlag,
 		RunParallel:     runParallel,
 		Parallelism:     parallelism,
 	}
diff --git a/server/channels/app/platform/service_test.go b/server/channels/app/platform/service_test.go
index 59d2fce1a5a..76567725d0a 100644
--- a/server/channels/app/platform/service_test.go
+++ b/server/channels/app/platform/service_test.go
@@ -45,7 +45,7 @@ func TestSetLicenseOnStart(t *testing.T) {
 	if driverName == "" {
 		driverName = model.DatabaseDriverPostgres
 	}
-	cfg.SqlSettings = *storetest.MakeSqlSettings(driverName, false)
+	cfg.SqlSettings = *storetest.MakeSqlSettings(driverName)
 
 	configStore := config.NewTestMemoryStore()
 	_, _, err = configStore.Set(&cfg)
@@ -66,7 +66,7 @@ func TestReadReplicaDisabledBasedOnLicense(t *testing.T) {
 	if driverName == "" {
 		driverName = model.DatabaseDriverPostgres
 	}
-	cfg.SqlSettings = *storetest.MakeSqlSettings(driverName, false)
+	cfg.SqlSettings = *storetest.MakeSqlSettings(driverName)
 	cfg.SqlSettings.DataSourceReplicas = []string{*cfg.SqlSettings.DataSource}
 	cfg.SqlSettings.DataSourceSearchReplicas = []string{*cfg.SqlSettings.DataSource}
 
diff --git a/server/channels/app/post_test.go b/server/channels/app/post_test.go
index 8dfc7d74d29..a3311b5e315 100644
--- a/server/channels/app/post_test.go
+++ b/server/channels/app/post_test.go
@@ -3237,48 +3237,6 @@ func TestCollapsedThreadFetch(t *testing.T) {
 	})
 }
 
-func TestReplyToPostWithLag(t *testing.T) {
-	if !replicaFlag {
-		t.Skipf("requires test flag -mysql-replica")
-	}
-
-	th := Setup(t).InitBasic()
-	defer th.TearDown()
-
-	if *th.App.Config().SqlSettings.DriverName != model.DatabaseDriverMysql {
-		t.Skipf("requires %q database driver", model.DatabaseDriverMysql)
-	}
-
-	mainHelper.SQLStore.UpdateLicense(model.NewTestLicense("somelicense"))
-
-	t.Run("replication lag time great than reply time", func(t *testing.T) {
-		err := mainHelper.SetReplicationLagForTesting(5)
-		require.NoError(t, err)
-		defer func() {
-			err := mainHelper.SetReplicationLagForTesting(0)
-			require.NoError(t, err)
-		}()
-		mainHelper.ToggleReplicasOn()
-		defer mainHelper.ToggleReplicasOff()
-
-		root, appErr := th.App.CreatePost(th.Context, &model.Post{
-			UserId:    th.BasicUser.Id,
-			ChannelId: th.BasicChannel.Id,
-			Message:   "root post",
-		}, th.BasicChannel, model.CreatePostFlags{SetOnline: true})
-		require.Nil(t, appErr)
-
-		reply, appErr := th.App.CreatePost(th.Context, &model.Post{
-			UserId:    th.BasicUser2.Id,
-			ChannelId: th.BasicChannel.Id,
-			RootId:    root.Id,
-			Message:   fmt.Sprintf("@%s", th.BasicUser2.Username),
-		}, th.BasicChannel, model.CreatePostFlags{SetOnline: true})
-		require.Nil(t, appErr)
-		require.NotNil(t, reply)
-	})
-}
-
 func TestSharedChannelSyncForPostActions(t *testing.T) {
 	mainHelper.Parallel(t)
 	t.Run("creating a post in a shared channel performs a content sync when sync service is running on that node", func(t *testing.T) {
diff --git a/server/channels/app/product_notices.go b/server/channels/app/product_notices.go
index 26ef6aebc71..2c94e0d23db 100644
--- a/server/channels/app/product_notices.go
+++ b/server/channels/app/product_notices.go
@@ -127,7 +127,7 @@ func noticeMatchesConditions(config *model.Config, preferences store.PreferenceS
 		}
 
 		switch cnd.DeprecatingDependency.Name {
-		case model.DatabaseDriverMysql, model.DatabaseDriverPostgres:
+		case model.DatabaseDriverPostgres:
 			if dbName != cnd.DeprecatingDependency.Name {
 				return false, nil
 			}
diff --git a/server/channels/app/product_notices_test.go b/server/channels/app/product_notices_test.go
index cb8eb7cdb9f..0340da6c609 100644
--- a/server/channels/app/product_notices_test.go
+++ b/server/channels/app/product_notices_test.go
@@ -472,42 +472,6 @@ func TestNoticeValidation(t *testing.T) {
 			wantErr: false,
 			wantOk:  true,
 		},
-		{
-			name: "notice with deprecating an external dependency",
-			args: args{
-				dbmsName: "mysql",
-				dbmsVer:  "5.6",
-				notice: &model.ProductNotice{
-					Conditions: model.Conditions{
-						DeprecatingDependency: &model.ExternalDependency{
-							Name:           "mysql",
-							MinimumVersion: "5.7",
-						},
-					},
-				},
-			},
-			wantErr: false,
-			wantOk:  true,
-		},
-		{
-			name: "notice with deprecating an external dependency, on a future version",
-			args: args{
-				dbmsName:      "mysql",
-				dbmsVer:       "5.6",
-				serverVersion: "5.32.1",
-				notice: &model.ProductNotice{
-					Conditions: model.Conditions{
-						ServerVersion: []string{">=v5.33"},
-						DeprecatingDependency: &model.ExternalDependency{
-							Name:           "mysql",
-							MinimumVersion: "5.7",
-						},
-					},
-				},
-			},
-			wantErr: false,
-			wantOk:  false,
-		},
 		{
 			name: "notice on a deprecating dependency, server is all good",
 			args: args{
@@ -525,23 +489,6 @@ func TestNoticeValidation(t *testing.T) {
 			wantErr: false,
 			wantOk:  false,
 		},
-		{
-			name: "notice on a deprecating dependency, server has different dbms",
-			args: args{
-				dbmsName: "mysql",
-				dbmsVer:  "5.7",
-				notice: &model.ProductNotice{
-					Conditions: model.Conditions{
-						DeprecatingDependency: &model.ExternalDependency{
-							Name:           "postgres",
-							MinimumVersion: "10",
-						},
-					},
-				},
-			},
-			wantErr: false,
-			wantOk:  false,
-		},
 		{
 			name: "notice on deprecating elasticsearch, server has unsupported search engine",
 			args: args{
diff --git a/server/channels/app/teams/main_test.go b/server/channels/app/teams/main_test.go
index e0f77817165..4dd9e804510 100644
--- a/server/channels/app/teams/main_test.go
+++ b/server/channels/app/teams/main_test.go
@@ -4,25 +4,17 @@
 package teams
 
 import (
-	"flag"
 	"testing"
 
 	"github.com/mattermost/mattermost/server/v8/channels/testlib"
 )
 
 var mainHelper *testlib.MainHelper
-var replicaFlag bool
 
 func TestMain(m *testing.M) {
-	if f := flag.Lookup("mysql-replica"); f == nil {
-		flag.BoolVar(&replicaFlag, "mysql-replica", false, "")
-		flag.Parse()
-	}
-
 	var options = testlib.HelperOptions{
 		EnableStore:     true,
 		EnableResources: true,
-		WithReadReplica: replicaFlag,
 	}
 
 	mainHelper = testlib.NewMainHelperWithOptions(&options)
diff --git a/server/channels/app/users/main_test.go b/server/channels/app/users/main_test.go
index 66c7c70e035..a98408f771a 100644
--- a/server/channels/app/users/main_test.go
+++ b/server/channels/app/users/main_test.go
@@ -22,7 +22,6 @@ func TestMain(m *testing.M) {
 	var options = testlib.HelperOptions{
 		EnableStore:     true,
 		EnableResources: true,
-		WithReadReplica: replicaFlag,
 	}
 
 	mainHelper = testlib.NewMainHelperWithOptions(&options)
diff --git a/server/channels/db/migrations/migrations.list b/server/channels/db/migrations/migrations.list
index 026d392d38f..7cceea8d257 100644
--- a/server/channels/db/migrations/migrations.list
+++ b/server/channels/db/migrations/migrations.list
@@ -1,284 +1,4 @@
 # Autogenerated file to synchronize migrations sequence in the PR workflow, please do not edit.
-channels/db/migrations/mysql/000001_create_teams.down.sql
-channels/db/migrations/mysql/000001_create_teams.up.sql
-channels/db/migrations/mysql/000002_create_team_members.down.sql
-channels/db/migrations/mysql/000002_create_team_members.up.sql
-channels/db/migrations/mysql/000003_create_cluster_discovery.down.sql
-channels/db/migrations/mysql/000003_create_cluster_discovery.up.sql
-channels/db/migrations/mysql/000004_create_command_webhooks.down.sql
-channels/db/migrations/mysql/000004_create_command_webhooks.up.sql
-channels/db/migrations/mysql/000005_create_compliances.down.sql
-channels/db/migrations/mysql/000005_create_compliances.up.sql
-channels/db/migrations/mysql/000006_create_emojis.down.sql
-channels/db/migrations/mysql/000006_create_emojis.up.sql
-channels/db/migrations/mysql/000007_create_user_groups.down.sql
-channels/db/migrations/mysql/000007_create_user_groups.up.sql
-channels/db/migrations/mysql/000008_create_group_members.down.sql
-channels/db/migrations/mysql/000008_create_group_members.up.sql
-channels/db/migrations/mysql/000009_create_group_teams.down.sql
-channels/db/migrations/mysql/000009_create_group_teams.up.sql
-channels/db/migrations/mysql/000010_create_group_channels.down.sql
-channels/db/migrations/mysql/000010_create_group_channels.up.sql
-channels/db/migrations/mysql/000011_create_link_metadata.down.sql
-channels/db/migrations/mysql/000011_create_link_metadata.up.sql
-channels/db/migrations/mysql/000012_create_commands.down.sql
-channels/db/migrations/mysql/000012_create_commands.up.sql
-channels/db/migrations/mysql/000013_create_incoming_webhooks.down.sql
-channels/db/migrations/mysql/000013_create_incoming_webhooks.up.sql
-channels/db/migrations/mysql/000014_create_outgoing_webhooks.down.sql
-channels/db/migrations/mysql/000014_create_outgoing_webhooks.up.sql
-channels/db/migrations/mysql/000015_create_systems.down.sql
-channels/db/migrations/mysql/000015_create_systems.up.sql
-channels/db/migrations/mysql/000016_create_reactions.down.sql
-channels/db/migrations/mysql/000016_create_reactions.up.sql
-channels/db/migrations/mysql/000017_create_roles.down.sql
-channels/db/migrations/mysql/000017_create_roles.up.sql
-channels/db/migrations/mysql/000018_create_schemes.down.sql
-channels/db/migrations/mysql/000018_create_schemes.up.sql
-channels/db/migrations/mysql/000019_create_licenses.down.sql
-channels/db/migrations/mysql/000019_create_licenses.up.sql
-channels/db/migrations/mysql/000020_create_posts.down.sql
-channels/db/migrations/mysql/000020_create_posts.up.sql
-channels/db/migrations/mysql/000021_create_product_notice_view_state.down.sql
-channels/db/migrations/mysql/000021_create_product_notice_view_state.up.sql
-channels/db/migrations/mysql/000022_create_sessions.down.sql
-channels/db/migrations/mysql/000022_create_sessions.up.sql
-channels/db/migrations/mysql/000023_create_terms_of_service.down.sql
-channels/db/migrations/mysql/000023_create_terms_of_service.up.sql
-channels/db/migrations/mysql/000024_create_audits.down.sql
-channels/db/migrations/mysql/000024_create_audits.up.sql
-channels/db/migrations/mysql/000025_create_oauth_access_data.down.sql
-channels/db/migrations/mysql/000025_create_oauth_access_data.up.sql
-channels/db/migrations/mysql/000026_create_preferences.down.sql
-channels/db/migrations/mysql/000026_create_preferences.up.sql
-channels/db/migrations/mysql/000027_create_status.down.sql
-channels/db/migrations/mysql/000027_create_status.up.sql
-channels/db/migrations/mysql/000028_create_tokens.down.sql
-channels/db/migrations/mysql/000028_create_tokens.up.sql
-channels/db/migrations/mysql/000029_create_bots.down.sql
-channels/db/migrations/mysql/000029_create_bots.up.sql
-channels/db/migrations/mysql/000030_create_user_access_tokens.down.sql
-channels/db/migrations/mysql/000030_create_user_access_tokens.up.sql
-channels/db/migrations/mysql/000031_create_remote_clusters.down.sql
-channels/db/migrations/mysql/000031_create_remote_clusters.up.sql
-channels/db/migrations/mysql/000032_create_sharedchannels.down.sql
-channels/db/migrations/mysql/000032_create_sharedchannels.up.sql
-channels/db/migrations/mysql/000033_create_sidebar_channels.down.sql
-channels/db/migrations/mysql/000033_create_sidebar_channels.up.sql
-channels/db/migrations/mysql/000034_create_oauthauthdata.down.sql
-channels/db/migrations/mysql/000034_create_oauthauthdata.up.sql
-channels/db/migrations/mysql/000035_create_sharedchannelattachments.down.sql
-channels/db/migrations/mysql/000035_create_sharedchannelattachments.up.sql
-channels/db/migrations/mysql/000036_create_sharedchannelusers.down.sql
-channels/db/migrations/mysql/000036_create_sharedchannelusers.up.sql
-channels/db/migrations/mysql/000037_create_sharedchannelremotes.down.sql
-channels/db/migrations/mysql/000037_create_sharedchannelremotes.up.sql
-channels/db/migrations/mysql/000038_create_jobs.down.sql
-channels/db/migrations/mysql/000038_create_jobs.up.sql
-channels/db/migrations/mysql/000039_create_channel_member_history.down.sql
-channels/db/migrations/mysql/000039_create_channel_member_history.up.sql
-channels/db/migrations/mysql/000040_create_sidebar_categories.down.sql
-channels/db/migrations/mysql/000040_create_sidebar_categories.up.sql
-channels/db/migrations/mysql/000041_create_upload_sessions.down.sql
-channels/db/migrations/mysql/000041_create_upload_sessions.up.sql
-channels/db/migrations/mysql/000042_create_threads.down.sql
-channels/db/migrations/mysql/000042_create_threads.up.sql
-channels/db/migrations/mysql/000043_thread_memberships.down.sql
-channels/db/migrations/mysql/000043_thread_memberships.up.sql
-channels/db/migrations/mysql/000044_create_user_terms_of_service.down.sql
-channels/db/migrations/mysql/000044_create_user_terms_of_service.up.sql
-channels/db/migrations/mysql/000045_create_plugin_key_value_store.down.sql
-channels/db/migrations/mysql/000045_create_plugin_key_value_store.up.sql
-channels/db/migrations/mysql/000046_create_users.down.sql
-channels/db/migrations/mysql/000046_create_users.up.sql
-channels/db/migrations/mysql/000047_create_file_info.down.sql
-channels/db/migrations/mysql/000047_create_file_info.up.sql
-channels/db/migrations/mysql/000048_create_oauth_apps.down.sql
-channels/db/migrations/mysql/000048_create_oauth_apps.up.sql
-channels/db/migrations/mysql/000049_create_channels.down.sql
-channels/db/migrations/mysql/000049_create_channels.up.sql
-channels/db/migrations/mysql/000050_create_channelmembers.down.sql
-channels/db/migrations/mysql/000050_create_channelmembers.up.sql
-channels/db/migrations/mysql/000051_create_msg_root_count.down.sql
-channels/db/migrations/mysql/000051_create_msg_root_count.up.sql
-channels/db/migrations/mysql/000052_create_public_channels.down.sql
-channels/db/migrations/mysql/000052_create_public_channels.up.sql
-channels/db/migrations/mysql/000053_create_retention_policies.down.sql
-channels/db/migrations/mysql/000053_create_retention_policies.up.sql
-channels/db/migrations/mysql/000054_create_crt_channelmembership_count.down.sql
-channels/db/migrations/mysql/000054_create_crt_channelmembership_count.up.sql
-channels/db/migrations/mysql/000055_create_crt_thread_count_and_unreads.down.sql
-channels/db/migrations/mysql/000055_create_crt_thread_count_and_unreads.up.sql
-channels/db/migrations/mysql/000056_upgrade_channels_v6.0.down.sql
-channels/db/migrations/mysql/000056_upgrade_channels_v6.0.up.sql
-channels/db/migrations/mysql/000057_upgrade_command_webhooks_v6.0.down.sql
-channels/db/migrations/mysql/000057_upgrade_command_webhooks_v6.0.up.sql
-channels/db/migrations/mysql/000058_upgrade_channelmembers_v6.0.down.sql
-channels/db/migrations/mysql/000058_upgrade_channelmembers_v6.0.up.sql
-channels/db/migrations/mysql/000059_upgrade_users_v6.0.down.sql
-channels/db/migrations/mysql/000059_upgrade_users_v6.0.up.sql
-channels/db/migrations/mysql/000060_upgrade_jobs_v6.0.down.sql
-channels/db/migrations/mysql/000060_upgrade_jobs_v6.0.up.sql
-channels/db/migrations/mysql/000061_upgrade_link_metadata_v6.0.down.sql
-channels/db/migrations/mysql/000061_upgrade_link_metadata_v6.0.up.sql
-channels/db/migrations/mysql/000062_upgrade_sessions_v6.0.down.sql
-channels/db/migrations/mysql/000062_upgrade_sessions_v6.0.up.sql
-channels/db/migrations/mysql/000063_upgrade_threads_v6.0.down.sql
-channels/db/migrations/mysql/000063_upgrade_threads_v6.0.up.sql
-channels/db/migrations/mysql/000064_upgrade_status_v6.0.down.sql
-channels/db/migrations/mysql/000064_upgrade_status_v6.0.up.sql
-channels/db/migrations/mysql/000065_upgrade_groupchannels_v6.0.down.sql
-channels/db/migrations/mysql/000065_upgrade_groupchannels_v6.0.up.sql
-channels/db/migrations/mysql/000066_upgrade_posts_v6.0.down.sql
-channels/db/migrations/mysql/000066_upgrade_posts_v6.0.up.sql
-channels/db/migrations/mysql/000067_upgrade_channelmembers_v6.1.down.sql
-channels/db/migrations/mysql/000067_upgrade_channelmembers_v6.1.up.sql
-channels/db/migrations/mysql/000068_upgrade_teammembers_v6.1.down.sql
-channels/db/migrations/mysql/000068_upgrade_teammembers_v6.1.up.sql
-channels/db/migrations/mysql/000069_upgrade_jobs_v6.1.down.sql
-channels/db/migrations/mysql/000069_upgrade_jobs_v6.1.up.sql
-channels/db/migrations/mysql/000070_upgrade_cte_v6.1.down.sql
-channels/db/migrations/mysql/000070_upgrade_cte_v6.1.up.sql
-channels/db/migrations/mysql/000071_upgrade_sessions_v6.1.down.sql
-channels/db/migrations/mysql/000071_upgrade_sessions_v6.1.up.sql
-channels/db/migrations/mysql/000072_upgrade_schemes_v6.3.down.sql
-channels/db/migrations/mysql/000072_upgrade_schemes_v6.3.up.sql
-channels/db/migrations/mysql/000073_upgrade_plugin_key_value_store_v6.3.down.sql
-channels/db/migrations/mysql/000073_upgrade_plugin_key_value_store_v6.3.up.sql
-channels/db/migrations/mysql/000074_upgrade_users_v6.3.down.sql
-channels/db/migrations/mysql/000074_upgrade_users_v6.3.up.sql
-channels/db/migrations/mysql/000075_alter_upload_sessions_index.down.sql
-channels/db/migrations/mysql/000075_alter_upload_sessions_index.up.sql
-channels/db/migrations/mysql/000076_upgrade_lastrootpostat.down.sql
-channels/db/migrations/mysql/000076_upgrade_lastrootpostat.up.sql
-channels/db/migrations/mysql/000077_upgrade_users_v6.5.down.sql
-channels/db/migrations/mysql/000077_upgrade_users_v6.5.up.sql
-channels/db/migrations/mysql/000078_create_oauth_mattermost_app_id.down.sql
-channels/db/migrations/mysql/000078_create_oauth_mattermost_app_id.up.sql
-channels/db/migrations/mysql/000079_usergroups_displayname_index.down.sql
-channels/db/migrations/mysql/000079_usergroups_displayname_index.up.sql
-channels/db/migrations/mysql/000080_posts_createat_id.down.sql
-channels/db/migrations/mysql/000080_posts_createat_id.up.sql
-channels/db/migrations/mysql/000081_threads_deleteat.down.sql
-channels/db/migrations/mysql/000081_threads_deleteat.up.sql
-channels/db/migrations/mysql/000082_upgrade_oauth_mattermost_app_id.down.sql
-channels/db/migrations/mysql/000082_upgrade_oauth_mattermost_app_id.up.sql
-channels/db/migrations/mysql/000083_threads_threaddeleteat.down.sql
-channels/db/migrations/mysql/000083_threads_threaddeleteat.up.sql
-channels/db/migrations/mysql/000084_recent_searches.down.sql
-channels/db/migrations/mysql/000084_recent_searches.up.sql
-channels/db/migrations/mysql/000085_fileinfo_add_archived_column.down.sql
-channels/db/migrations/mysql/000085_fileinfo_add_archived_column.up.sql
-channels/db/migrations/mysql/000086_add_cloud_limits_archived.down.sql
-channels/db/migrations/mysql/000086_add_cloud_limits_archived.up.sql
-channels/db/migrations/mysql/000087_sidebar_categories_index.down.sql
-channels/db/migrations/mysql/000087_sidebar_categories_index.up.sql
-channels/db/migrations/mysql/000088_remaining_migrations.down.sql
-channels/db/migrations/mysql/000088_remaining_migrations.up.sql
-channels/db/migrations/mysql/000089_add-channelid-to-reaction.down.sql
-channels/db/migrations/mysql/000089_add-channelid-to-reaction.up.sql
-channels/db/migrations/mysql/000090_create_enums.down.sql
-channels/db/migrations/mysql/000090_create_enums.up.sql
-channels/db/migrations/mysql/000091_create_post_reminder.down.sql
-channels/db/migrations/mysql/000091_create_post_reminder.up.sql
-channels/db/migrations/mysql/000092_add_createat_to_teammembers.down.sql
-channels/db/migrations/mysql/000092_add_createat_to_teammembers.up.sql
-channels/db/migrations/mysql/000093_notify_admin.down.sql
-channels/db/migrations/mysql/000093_notify_admin.up.sql
-channels/db/migrations/mysql/000094_threads_teamid.down.sql
-channels/db/migrations/mysql/000094_threads_teamid.up.sql
-channels/db/migrations/mysql/000095_remove_posts_parentid.down.sql
-channels/db/migrations/mysql/000095_remove_posts_parentid.up.sql
-channels/db/migrations/mysql/000096_threads_threadteamid.down.sql
-channels/db/migrations/mysql/000096_threads_threadteamid.up.sql
-channels/db/migrations/mysql/000097_create_posts_priority.down.sql
-channels/db/migrations/mysql/000097_create_posts_priority.up.sql
-channels/db/migrations/mysql/000098_create_post_acknowledgements.down.sql
-channels/db/migrations/mysql/000098_create_post_acknowledgements.up.sql
-channels/db/migrations/mysql/000099_create_drafts.down.sql
-channels/db/migrations/mysql/000099_create_drafts.up.sql
-channels/db/migrations/mysql/000100_add_draft_priority_column.down.sql
-channels/db/migrations/mysql/000100_add_draft_priority_column.up.sql
-channels/db/migrations/mysql/000101_create_true_up_review_history.down.sql
-channels/db/migrations/mysql/000101_create_true_up_review_history.up.sql
-channels/db/migrations/mysql/000102_posts_originalid_index.down.sql
-channels/db/migrations/mysql/000102_posts_originalid_index.up.sql
-channels/db/migrations/mysql/000103_add_sentat_to_notifyadmin.down.sql
-channels/db/migrations/mysql/000103_add_sentat_to_notifyadmin.up.sql
-channels/db/migrations/mysql/000104_upgrade_notifyadmin.down.sql
-channels/db/migrations/mysql/000104_upgrade_notifyadmin.up.sql
-channels/db/migrations/mysql/000105_remove_tokens.down.sql
-channels/db/migrations/mysql/000105_remove_tokens.up.sql
-channels/db/migrations/mysql/000106_fileinfo_channelid.down.sql
-channels/db/migrations/mysql/000106_fileinfo_channelid.up.sql
-channels/db/migrations/mysql/000107_threadmemberships_cleanup.down.sql
-channels/db/migrations/mysql/000107_threadmemberships_cleanup.up.sql
-channels/db/migrations/mysql/000108_remove_orphaned_oauth_preferences.down.sql
-channels/db/migrations/mysql/000108_remove_orphaned_oauth_preferences.up.sql
-channels/db/migrations/mysql/000109_create_persistent_notifications.down.sql
-channels/db/migrations/mysql/000109_create_persistent_notifications.up.sql
-channels/db/migrations/mysql/000111_update_vacuuming.down.sql
-channels/db/migrations/mysql/000111_update_vacuuming.up.sql
-channels/db/migrations/mysql/000112_rework_desktop_tokens.down.sql
-channels/db/migrations/mysql/000112_rework_desktop_tokens.up.sql
-channels/db/migrations/mysql/000113_create_retentionidsfordeletion_table.down.sql
-channels/db/migrations/mysql/000113_create_retentionidsfordeletion_table.up.sql
-channels/db/migrations/mysql/000114_sharedchannelremotes_drop_nextsyncat_description.down.sql
-channels/db/migrations/mysql/000114_sharedchannelremotes_drop_nextsyncat_description.up.sql
-channels/db/migrations/mysql/000115_user_reporting_changes.down.sql
-channels/db/migrations/mysql/000115_user_reporting_changes.up.sql
-channels/db/migrations/mysql/000116_create_outgoing_oauth_connections.down.sql
-channels/db/migrations/mysql/000116_create_outgoing_oauth_connections.up.sql
-channels/db/migrations/mysql/000117_msteams_shared_channels.down.sql
-channels/db/migrations/mysql/000117_msteams_shared_channels.up.sql
-channels/db/migrations/mysql/000118_create_index_poststats.down.sql
-channels/db/migrations/mysql/000118_create_index_poststats.up.sql
-channels/db/migrations/mysql/000119_msteams_shared_channels_opts.down.sql
-channels/db/migrations/mysql/000119_msteams_shared_channels_opts.up.sql
-channels/db/migrations/mysql/000120_create_channelbookmarks_table.down.sql
-channels/db/migrations/mysql/000120_create_channelbookmarks_table.up.sql
-channels/db/migrations/mysql/000121_remove_true_up_review_history.down.sql
-channels/db/migrations/mysql/000121_remove_true_up_review_history.up.sql
-channels/db/migrations/mysql/000122_preferences_value_length.down.sql
-channels/db/migrations/mysql/000122_preferences_value_length.up.sql
-channels/db/migrations/mysql/000123_remove_upload_file_permission.down.sql
-channels/db/migrations/mysql/000123_remove_upload_file_permission.up.sql
-channels/db/migrations/mysql/000124_remove_manage_team_permission.down.sql
-channels/db/migrations/mysql/000124_remove_manage_team_permission.up.sql
-channels/db/migrations/mysql/000125_remoteclusters_add_default_team_id.down.sql
-channels/db/migrations/mysql/000125_remoteclusters_add_default_team_id.up.sql
-channels/db/migrations/mysql/000126_sharedchannels_remotes_add_deleteat.down.sql
-channels/db/migrations/mysql/000126_sharedchannels_remotes_add_deleteat.up.sql
-channels/db/migrations/mysql/000127_add_mfa_used_ts_to_users.down.sql
-channels/db/migrations/mysql/000127_add_mfa_used_ts_to_users.up.sql
-channels/db/migrations/mysql/000128_create_scheduled_posts.down.sql
-channels/db/migrations/mysql/000128_create_scheduled_posts.up.sql
-channels/db/migrations/mysql/000129_add_property_system_architecture.down.sql
-channels/db/migrations/mysql/000129_add_property_system_architecture.up.sql
-channels/db/migrations/mysql/000130_system_console_stats.down.sql
-channels/db/migrations/mysql/000130_system_console_stats.up.sql
-channels/db/migrations/mysql/000131_create_index_pagination_on_property_values.down.sql
-channels/db/migrations/mysql/000131_create_index_pagination_on_property_values.up.sql
-channels/db/migrations/mysql/000132_create_index_pagination_on_property_fields.down.sql
-channels/db/migrations/mysql/000132_create_index_pagination_on_property_fields.up.sql
-channels/db/migrations/mysql/000133_add_channel_banner_fields.down.sql
-channels/db/migrations/mysql/000133_add_channel_banner_fields.up.sql
-channels/db/migrations/mysql/000134_create_access_control_policies.down.sql
-channels/db/migrations/mysql/000134_create_access_control_policies.up.sql
-channels/db/migrations/mysql/000135_sidebarchannels_categoryid.down.sql
-channels/db/migrations/mysql/000135_sidebarchannels_categoryid.up.sql
-channels/db/migrations/mysql/000136_create_attribute_view.down.sql
-channels/db/migrations/mysql/000136_create_attribute_view.up.sql
-channels/db/migrations/mysql/000137_update_attribute_view.down.sql
-channels/db/migrations/mysql/000137_update_attribute_view.up.sql
-channels/db/migrations/mysql/000138_add_default_category_name_to_channel.down.sql
-channels/db/migrations/mysql/000138_add_default_category_name_to_channel.up.sql
-channels/db/migrations/mysql/000139_remoteclusters_add_last_global_user_sync_at.down.sql
-channels/db/migrations/mysql/000139_remoteclusters_add_last_global_user_sync_at.up.sql
-channels/db/migrations/mysql/000140_add_lastmemberssyncat_to_sharedchannelremotes.down.sql
-channels/db/migrations/mysql/000140_add_lastmemberssyncat_to_sharedchannelremotes.up.sql
-channels/db/migrations/mysql/000141_add_remoteid_channelid_to_post_acknowledgements.down.sql
-channels/db/migrations/mysql/000141_add_remoteid_channelid_to_post_acknowledgements.up.sql
 channels/db/migrations/postgres/000001_create_teams.down.sql
 channels/db/migrations/postgres/000001_create_teams.up.sql
 channels/db/migrations/postgres/000002_create_team_members.down.sql
diff --git a/server/channels/db/migrations/mysql/000001_create_teams.down.sql b/server/channels/db/migrations/mysql/000001_create_teams.down.sql
deleted file mode 100644
index ae2b773a47b..00000000000
--- a/server/channels/db/migrations/mysql/000001_create_teams.down.sql
+++ /dev/null
@@ -1,76 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Teams'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_teams_name'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_teams_name ON Teams(Name);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Teams'
-        AND table_schema = DATABASE()
-        AND column_name = 'AllowOpenInvite'
-    ) > 0,
-    'ALTER TABLE Teams DROP COLUMN AllowOpenInvite;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Teams'
-        AND table_schema = DATABASE()
-        AND column_name = 'LastTeamIconUpdate'
-    ) > 0,
-    'ALTER TABLE Teams DROP COLUMN LastTeamIconUpdate;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Teams'
-        AND table_schema = DATABASE()
-        AND column_name = 'Description'
-    ) > 0,
-    'ALTER TABLE Teams DROP COLUMN Description;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Teams'
-        AND table_schema = DATABASE()
-        AND column_name = 'GroupConstrained'
-    ) > 0,
-    'ALTER TABLE Teams DROP COLUMN GroupConstrained;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-DROP TABLE IF EXISTS Teams;
diff --git a/server/channels/db/migrations/mysql/000001_create_teams.up.sql b/server/channels/db/migrations/mysql/000001_create_teams.up.sql
deleted file mode 100644
index 26d877577f5..00000000000
--- a/server/channels/db/migrations/mysql/000001_create_teams.up.sql
+++ /dev/null
@@ -1,177 +0,0 @@
-CREATE TABLE IF NOT EXISTS Teams (
-    Id varchar(26) NOT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    UpdateAt bigint(20) DEFAULT NULL,
-    DeleteAt bigint(20) DEFAULT NULL,
-    DisplayName varchar(64) DEFAULT NULL,
-    Name varchar(64) DEFAULT NULL,
-    Description varchar(255) DEFAULT NULL,
-    Email varchar(128) DEFAULT NULL,
-    Type varchar(255) DEFAULT NULL,
-    CompanyName varchar(64) DEFAULT NULL,
-    AllowedDomains text,
-    InviteId varchar(32) DEFAULT NULL,
-    SchemeId varchar(26) DEFAULT NULL,
-    PRIMARY KEY (Id),
-    UNIQUE KEY Name (Name),
-    KEY idx_teams_invite_id (InviteId),
-    KEY idx_teams_update_at (UpdateAt),
-    KEY idx_teams_create_at (CreateAt),
-    KEY idx_teams_delete_at (DeleteAt),
-    KEY idx_teams_scheme_id (SchemeId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Teams'
-        AND table_schema = DATABASE()
-        AND column_name = 'AllowOpenInvite'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Teams ADD AllowOpenInvite bool;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Teams'
-        AND table_schema = DATABASE()
-        AND column_name = 'LastTeamIconUpdate'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Teams ADD LastTeamIconUpdate bigint;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Teams'
-        AND table_schema = DATABASE()
-        AND column_name = 'Description'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Teams ADD Description varchar(255);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Teams'
-        AND table_schema = DATABASE()
-        AND column_name = 'GroupConstrained'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Teams ADD GroupConstrained tinyint(1);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Teams'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_teams_name'
-    ) > 0,
-    'DROP INDEX idx_teams_name ON Teams;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Teams'
-        AND table_schema = DATABASE()
-        AND column_name = 'AllowedDomains'
-        AND column_type != 'text'
-    ) > 0,
-    'ALTER TABLE Teams MODIFY COLUMN AllowedDomains text;',
-    'SELECT 1'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Teams'
-        AND table_schema = DATABASE()
-        AND column_name = 'GroupConstrained'
-        AND column_type != 'tinyint(1)'
-    ) > 0,
-    'ALTER TABLE Teams MODIFY COLUMN GroupConstrained tinyint(1);',
-    'SELECT 1'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Teams'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_teams_scheme_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_teams_scheme_id ON Teams(SchemeId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Teams'
-        AND table_schema = DATABASE()
-        AND column_name = 'Type'
-        AND column_type != 'varchar(255)'
-    ) > 0,
-    'ALTER TABLE Teams MODIFY COLUMN Type varchar(255);',
-    'SELECT 1'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Teams'
-        AND table_schema = DATABASE()
-        AND column_name = 'SchemeId'
-        AND column_type != 'varchar(26)'
-    ) > 0,
-    'ALTER TABLE Teams MODIFY COLUMN SchemeId varchar(26);',
-    'SELECT 1'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000002_create_team_members.down.sql b/server/channels/db/migrations/mysql/000002_create_team_members.down.sql
deleted file mode 100644
index 9c33538f419..00000000000
--- a/server/channels/db/migrations/mysql/000002_create_team_members.down.sql
+++ /dev/null
@@ -1,76 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'TeamMembers'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_teammembers_team_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_teammembers_team_id ON TeamMembers(TeamId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'TeamMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'SchemeUser'
-    ) > 0,
-    'ALTER TABLE TeamMembers DROP COLUMN SchemeUser;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'TeamMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'SchemeAdmin'
-    ) > 0,
-    'ALTER TABLE TeamMembers DROP COLUMN SchemeAdmin;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'TeamMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'SchemeGuest'
-    ) > 0,
-    'ALTER TABLE TeamMembers DROP COLUMN SchemeGuest;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'TeamMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'DeleteAt'
-    ) > 0,
-    'ALTER TABLE TeamMembers DROP COLUMN DeleteAt;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-DROP TABLE IF EXISTS TeamMembers;
diff --git a/server/channels/db/migrations/mysql/000002_create_team_members.up.sql b/server/channels/db/migrations/mysql/000002_create_team_members.up.sql
deleted file mode 100644
index bc0c70e4f18..00000000000
--- a/server/channels/db/migrations/mysql/000002_create_team_members.up.sql
+++ /dev/null
@@ -1,85 +0,0 @@
-CREATE TABLE IF NOT EXISTS TeamMembers (
-    TeamId varchar(26) NOT NULL,
-    UserId varchar(26) NOT NULL,
-    Roles varchar(64),
-    DeleteAt bigint(20),
-    PRIMARY KEY (TeamId, UserId),
-    KEY idx_teammembers_user_id (UserId),
-    KEY idx_teammembers_delete_at (DeleteAt)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'TeamMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'SchemeUser'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE TeamMembers ADD SchemeUser tinyint(4);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'TeamMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'SchemeAdmin'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE TeamMembers ADD SchemeAdmin tinyint(4);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'TeamMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'SchemeGuest'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE TeamMembers ADD SchemeGuest tinyint(4);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'TeamMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'DeleteAt'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE TeamMembers ADD DeleteAt bigint(20);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'TeamMembers'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_teammembers_team_id'
-    ) > 0,
-    'DROP INDEX idx_teammembers_team_id ON TeamMembers;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000003_create_cluster_discovery.down.sql b/server/channels/db/migrations/mysql/000003_create_cluster_discovery.down.sql
deleted file mode 100644
index 4ce3df9493c..00000000000
--- a/server/channels/db/migrations/mysql/000003_create_cluster_discovery.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS ClusterDiscovery;
diff --git a/server/channels/db/migrations/mysql/000003_create_cluster_discovery.up.sql b/server/channels/db/migrations/mysql/000003_create_cluster_discovery.up.sql
deleted file mode 100644
index 09d1ffc3e22..00000000000
--- a/server/channels/db/migrations/mysql/000003_create_cluster_discovery.up.sql
+++ /dev/null
@@ -1,11 +0,0 @@
-CREATE TABLE IF NOT EXISTS ClusterDiscovery (
-    Id varchar(26) NOT NULL,
-    Type varchar(64) DEFAULT NULL,
-    ClusterName varchar(64) DEFAULT NULL,
-    Hostname text,
-    GossipPort int(11) DEFAULT NULL,
-    Port integer DEFAULT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    LastPingAt bigint(20) DEFAULT NULL,
-    PRIMARY KEY (Id)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
diff --git a/server/channels/db/migrations/mysql/000004_create_command_webhooks.down.sql b/server/channels/db/migrations/mysql/000004_create_command_webhooks.down.sql
deleted file mode 100644
index 91875b79ff7..00000000000
--- a/server/channels/db/migrations/mysql/000004_create_command_webhooks.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS CommandWebhooks;
diff --git a/server/channels/db/migrations/mysql/000004_create_command_webhooks.up.sql b/server/channels/db/migrations/mysql/000004_create_command_webhooks.up.sql
deleted file mode 100644
index 8a759492b54..00000000000
--- a/server/channels/db/migrations/mysql/000004_create_command_webhooks.up.sql
+++ /dev/null
@@ -1,12 +0,0 @@
-CREATE TABLE IF NOT EXISTS CommandWebhooks (
-    Id varchar(26) NOT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    CommandId varchar(26) DEFAULT NULL,
-    UserId varchar(26) DEFAULT NULL,
-    ChannelId varchar(26) DEFAULT NULL,
-    RootId varchar(26) DEFAULT NULL,
-    ParentId varchar(26) DEFAULT NULL,
-    UseCount integer DEFAULT NULL,
-    PRIMARY KEY (Id),
-    KEY idx_command_webhook_create_at (CreateAt)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
diff --git a/server/channels/db/migrations/mysql/000005_create_compliances.down.sql b/server/channels/db/migrations/mysql/000005_create_compliances.down.sql
deleted file mode 100644
index a6c11620d16..00000000000
--- a/server/channels/db/migrations/mysql/000005_create_compliances.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS Compliances;
diff --git a/server/channels/db/migrations/mysql/000005_create_compliances.up.sql b/server/channels/db/migrations/mysql/000005_create_compliances.up.sql
deleted file mode 100644
index cbc2adda346..00000000000
--- a/server/channels/db/migrations/mysql/000005_create_compliances.up.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-CREATE TABLE IF NOT EXISTS Compliances (
-    Id varchar(26) NOT NULL,
-    CreateAt bigint(20),
-    UserId varchar(26) DEFAULT NULL,
-    Status varchar(64) DEFAULT NULL,
-    Count integer DEFAULT NULL,
-    `Desc` text,
-    Type varchar(64) DEFAULT NULL,
-    StartAt bigint(20),
-    EndAt bigint(20),
-    Keywords text,
-    Emails text,
-    PRIMARY KEY (Id)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
diff --git a/server/channels/db/migrations/mysql/000006_create_emojis.down.sql b/server/channels/db/migrations/mysql/000006_create_emojis.down.sql
deleted file mode 100644
index 378c0ef31f3..00000000000
--- a/server/channels/db/migrations/mysql/000006_create_emojis.down.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Emoji'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_emoji_name'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_emoji_name ON Emoji(Name);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-DROP TABLE IF EXISTS Emoji;
diff --git a/server/channels/db/migrations/mysql/000006_create_emojis.up.sql b/server/channels/db/migrations/mysql/000006_create_emojis.up.sql
deleted file mode 100644
index 93514efd17c..00000000000
--- a/server/channels/db/migrations/mysql/000006_create_emojis.up.sql
+++ /dev/null
@@ -1,73 +0,0 @@
-CREATE TABLE IF NOT EXISTS Emoji (
-    Id varchar(26) NOT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    UpdateAt bigint(20) DEFAULT NULL,
-    DeleteAt bigint(20) DEFAULT NULL,
-    CreatorId varchar(26) DEFAULT NULL,
-    Name varchar(64) DEFAULT NULL,
-    PRIMARY KEY (Id),
-    UNIQUE KEY (Name, DeleteAt),
-    KEY idx_emoji_update_at (UpdateAt),
-    KEY idx_emoji_create_at (CreateAt),
-    KEY idx_emoji_delete_at (DeleteAt)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.statistics
-        WHERE table_name = 'Emoji'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_emoji_create_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX ON Emoji(CreateAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.statistics
-        WHERE table_name = 'Emoji'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_emoji_delete_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX ON Emoji(DeleteAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.statistics
-        WHERE table_name = 'Emoji'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_emoji_update_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX ON Emoji(UpdateAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Emoji'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_emoji_name'
-    ) > 0,
-    'DROP INDEX idx_emoji_name ON Emoji;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000007_create_user_groups.down.sql b/server/channels/db/migrations/mysql/000007_create_user_groups.down.sql
deleted file mode 100644
index 2e45ec1c568..00000000000
--- a/server/channels/db/migrations/mysql/000007_create_user_groups.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS UserGroups;
diff --git a/server/channels/db/migrations/mysql/000007_create_user_groups.up.sql b/server/channels/db/migrations/mysql/000007_create_user_groups.up.sql
deleted file mode 100644
index e563504ba65..00000000000
--- a/server/channels/db/migrations/mysql/000007_create_user_groups.up.sql
+++ /dev/null
@@ -1,62 +0,0 @@
-CREATE TABLE IF NOT EXISTS UserGroups (
-    Id varchar(26) NOT NULL,
-    Name varchar(64) DEFAULT NULL,
-    DisplayName varchar(128) DEFAULT NULL,
-    Description text,
-    Source varchar(64) DEFAULT NULL,
-    RemoteId varchar(48) DEFAULT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    UpdateAt bigint(20) DEFAULT NULL,
-    DeleteAt bigint(20) DEFAULT NULL,
-    AllowReference tinyint(1) DEFAULT NULL,
-    PRIMARY KEY (Id),
-    UNIQUE KEY Name (Name),
-    UNIQUE KEY Source (Source, RemoteId),
-    KEY idx_usergroups_remote_id (RemoteId),
-    KEY idx_usergroups_delete_at (DeleteAt)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'UserGroups'
-        AND table_schema = DATABASE()
-        AND column_name = 'AllowReference'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE UserGroups ADD AllowReference tinyint(1) DEFAULT NULL;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'UserGroups'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_usergroups_remote_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_usergroups_remote_id ON UserGroups(RemoteId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'UserGroups'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_usergroups_delete_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_usergroups_delete_at ON UserGroups(DeleteAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000008_create_group_members.down.sql b/server/channels/db/migrations/mysql/000008_create_group_members.down.sql
deleted file mode 100644
index 0f9467e8891..00000000000
--- a/server/channels/db/migrations/mysql/000008_create_group_members.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS GroupMembers;
diff --git a/server/channels/db/migrations/mysql/000008_create_group_members.up.sql b/server/channels/db/migrations/mysql/000008_create_group_members.up.sql
deleted file mode 100644
index 6f0889cb8dc..00000000000
--- a/server/channels/db/migrations/mysql/000008_create_group_members.up.sql
+++ /dev/null
@@ -1,23 +0,0 @@
-CREATE TABLE IF NOT EXISTS GroupMembers (
-    GroupId varchar(26) NOT NULL,
-    UserId varchar(26) NOT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    DeleteAt bigint(20) DEFAULT NULL,
-    PRIMARY KEY (GroupId, UserId),
-    KEY idx_groupmembers_create_at (CreateAt)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'GroupMembers'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_groupmembers_create_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_groupmembers_create_at ON GroupMembers(CreateAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000009_create_group_teams.down.sql b/server/channels/db/migrations/mysql/000009_create_group_teams.down.sql
deleted file mode 100644
index f3dbd67292f..00000000000
--- a/server/channels/db/migrations/mysql/000009_create_group_teams.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS GroupTeams;
diff --git a/server/channels/db/migrations/mysql/000009_create_group_teams.up.sql b/server/channels/db/migrations/mysql/000009_create_group_teams.up.sql
deleted file mode 100644
index 211b8e1ae67..00000000000
--- a/server/channels/db/migrations/mysql/000009_create_group_teams.up.sql
+++ /dev/null
@@ -1,55 +0,0 @@
-CREATE TABLE IF NOT EXISTS GroupTeams (
-    GroupId varchar(26) NOT NULL,
-    AutoAdd tinyint(1),
-    SchemeAdmin tinyint(1) DEFAULT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    DeleteAt bigint(20) DEFAULT NULL,
-    UpdateAt bigint(20) DEFAULT NULL,
-    TeamId varchar(26) NOT NULL,
-    PRIMARY KEY (GroupId, TeamId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'GroupTeams'
-        AND table_schema = DATABASE()
-        AND column_name = 'SchemeAdmin'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE GroupTeams ADD COLUMN SchemeAdmin tinyint(1) DEFAULT NULL;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-     (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'GroupTeams'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_groupteams_schemeadmin'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_groupteams_schemeadmin ON GroupTeams(SchemeAdmin);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'GroupTeams'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_groupteams_teamid'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_groupteams_teamid ON GroupTeams(TeamId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000010_create_group_channels.down.sql b/server/channels/db/migrations/mysql/000010_create_group_channels.down.sql
deleted file mode 100644
index 8f3be28313c..00000000000
--- a/server/channels/db/migrations/mysql/000010_create_group_channels.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS GroupChannels;
diff --git a/server/channels/db/migrations/mysql/000010_create_group_channels.up.sql b/server/channels/db/migrations/mysql/000010_create_group_channels.up.sql
deleted file mode 100644
index f75a96aa94e..00000000000
--- a/server/channels/db/migrations/mysql/000010_create_group_channels.up.sql
+++ /dev/null
@@ -1,57 +0,0 @@
-CREATE TABLE IF NOT EXISTS GroupChannels (
-    GroupId varchar(26) NOT NULL,
-    AutoAdd tinyint(1),
-    SchemeAdmin tinyint(1) DEFAULT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    DeleteAt bigint(20) DEFAULT NULL,
-    UpdateAt bigint(20) DEFAULT NULL,
-    ChannelId varchar(26) NOT NULL,
-    PRIMARY KEY (GroupId, ChannelId),
-    KEY idx_groupchannels_schemeadmin (SchemeAdmin),
-    KEY idx_groupchannels_channelid (ChannelId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'GroupChannels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_groupchannels_channelid'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_groupchannels_channelid ON GroupChannels (ChannelId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'GroupChannels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_groupchannels_schemeadmin'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_groupchannels_schemeadmin ON GroupChannels(SchemeAdmin);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'GroupChannels'
-        AND table_schema = DATABASE()
-        AND column_name = 'SchemeAdmin'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE GroupChannels ADD COLUMN SchemeAdmin tinyint(1);'
-));
-
-PREPARE createColumnIfNotExists FROM @preparedStatement;
-EXECUTE createColumnIfNotExists;
-DEALLOCATE PREPARE createColumnIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000011_create_link_metadata.down.sql b/server/channels/db/migrations/mysql/000011_create_link_metadata.down.sql
deleted file mode 100644
index d9051f546d9..00000000000
--- a/server/channels/db/migrations/mysql/000011_create_link_metadata.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS LinkMetadata;
diff --git a/server/channels/db/migrations/mysql/000011_create_link_metadata.up.sql b/server/channels/db/migrations/mysql/000011_create_link_metadata.up.sql
deleted file mode 100644
index fcb4ef83d57..00000000000
--- a/server/channels/db/migrations/mysql/000011_create_link_metadata.up.sql
+++ /dev/null
@@ -1,9 +0,0 @@
-CREATE TABLE IF NOT EXISTS LinkMetadata (
-    Hash bigint(20) NOT NULL,
-    URL text,
-    Timestamp bigint(20) DEFAULT NULL,
-    Type varchar(16) DEFAULT NULL,
-    Data text,
-    PRIMARY KEY (Hash),
-    KEY idx_link_metadata_url_timestamp (URL(512),Timestamp)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
diff --git a/server/channels/db/migrations/mysql/000012_create_commands.down.sql b/server/channels/db/migrations/mysql/000012_create_commands.down.sql
deleted file mode 100644
index 0b01ccfa80a..00000000000
--- a/server/channels/db/migrations/mysql/000012_create_commands.down.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Commands'
-        AND table_schema = DATABASE()
-        AND column_name = 'PluginId'
-    ) > 0,
-    'ALTER TABLE Commands DROP COLUMN PluginId;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-DROP TABLE IF EXISTS Commands;
diff --git a/server/channels/db/migrations/mysql/000012_create_commands.up.sql b/server/channels/db/migrations/mysql/000012_create_commands.up.sql
deleted file mode 100644
index 0e5928a707f..00000000000
--- a/server/channels/db/migrations/mysql/000012_create_commands.up.sql
+++ /dev/null
@@ -1,65 +0,0 @@
-CREATE TABLE IF NOT EXISTS Commands (
-    Id varchar(26) NOT NULL,
-    Token varchar(26) DEFAULT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    UpdateAt bigint(20) DEFAULT NULL,
-    DeleteAt bigint(20) DEFAULT NULL,
-    CreatorId varchar(26) DEFAULT NULL,
-    TeamId varchar(26) DEFAULT NULL,
-    `Trigger` varchar(128) DEFAULT NULL,
-    Method varchar(1) DEFAULT NULL,
-    Username varchar(64) DEFAULT NULL,
-    IconURL text,
-    AutoComplete tinyint(1) DEFAULT NULL,
-    AutoCompleteDesc text,
-    AutoCompleteHint text,
-    DisplayName varchar(64) DEFAULT NULL,
-    Description varchar(128) DEFAULT NULL,
-    URL text,
-    PRIMARY KEY (Id),
-    KEY idx_command_team_id (TeamId),
-    KEY idx_command_update_at (UpdateAt),
-    KEY idx_command_create_at (CreateAt),
-    KEY idx_command_delete_at (DeleteAt)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Commands'
-        AND table_schema = DATABASE()
-        AND column_name = 'PluginId'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Commands ADD PluginId varchar(190);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-CREATE PROCEDURE Migrate_If_Version_Below_5280 ()
-BEGIN
-DECLARE
-	CURRENT_DB_VERSION TEXT;
-DECLARE
-    SYSTEMS_TABLE_EXISTS INT;
-    SELECT COUNT(*)
-        FROM INFORMATION_SCHEMA.COLUMNS
-    WHERE
-        TABLE_NAME = 'Systems'
-    AND table_schema = DATABASE() INTO SYSTEMS_TABLE_EXISTS;
-    IF (SYSTEMS_TABLE_EXISTS > 0) THEN
-	    SELECT
-		    Value
-	    FROM
-		    Systems
-	    WHERE
-		    Name = 'Version' INTO CURRENT_DB_VERSION;
-	    IF(INET_ATON(CURRENT_DB_VERSION) < INET_ATON('5.28.0')) THEN
-		    UPDATE Commands SET PluginId = '' WHERE PluginId IS NULL;
-	    END IF;
-    END IF;
-END;
-	CALL Migrate_If_Version_Below_5280 ();
-	DROP PROCEDURE IF EXISTS Migrate_If_Version_Below_5280;
diff --git a/server/channels/db/migrations/mysql/000013_create_incoming_webhooks.down.sql b/server/channels/db/migrations/mysql/000013_create_incoming_webhooks.down.sql
deleted file mode 100644
index b2dcd417aa8..00000000000
--- a/server/channels/db/migrations/mysql/000013_create_incoming_webhooks.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS IncomingWebhooks;
diff --git a/server/channels/db/migrations/mysql/000013_create_incoming_webhooks.up.sql b/server/channels/db/migrations/mysql/000013_create_incoming_webhooks.up.sql
deleted file mode 100644
index cac6baa78ab..00000000000
--- a/server/channels/db/migrations/mysql/000013_create_incoming_webhooks.up.sql
+++ /dev/null
@@ -1,192 +0,0 @@
-CREATE TABLE IF NOT EXISTS IncomingWebhooks (
-    Id varchar(26) NOT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    UpdateAt bigint(20) DEFAULT NULL,
-    DeleteAt bigint(20) DEFAULT NULL,
-    UserId varchar(26) DEFAULT NULL,
-    ChannelId varchar(26) DEFAULT NULL,
-    TeamId varchar(26) DEFAULT NULL,
-    DisplayName varchar(64) DEFAULT NULL,
-    Description varchar(128) DEFAULT NULL,
-    Username varchar(64) DEFAULT NULL,
-    PRIMARY KEY(Id)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'IncomingWebhooks'
-        AND table_schema = DATABASE()
-        AND column_name = 'Username'
-    ) > 0,
-    'ALTER TABLE IncomingWebhooks MODIFY Username VARCHAR(255);',
-    'SELECT 1'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'IncomingWebhooks'
-        AND table_schema = DATABASE()
-        AND column_name = 'IconURL'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE IncomingWebhooks ADD IconURL text;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'IncomingWebhooks'
-        AND table_schema = DATABASE()
-        AND column_name = 'ChannelLocked'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE IncomingWebhooks ADD ChannelLocked tinyint(1) DEFAULT NULL;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'IncomingWebhooks'
-        AND table_schema = DATABASE()
-        AND column_name = 'Description'
-    ) > 0,
-    'ALTER TABLE IncomingWebhooks MODIFY Description TEXT;',
-    'SELECT 1'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'IncomingWebhooks'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_incoming_webhook_user_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_incoming_webhook_user_id ON IncomingWebhooks (UserId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'IncomingWebhooks'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_incoming_webhook_team_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_incoming_webhook_team_id ON IncomingWebhooks (TeamId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'IncomingWebhooks'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_incoming_webhook_update_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_incoming_webhook_update_at ON IncomingWebhooks (UpdateAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'IncomingWebhooks'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_incoming_webhook_create_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_incoming_webhook_create_at ON IncomingWebhooks (CreateAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'IncomingWebhooks'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_incoming_webhook_delete_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_incoming_webhook_delete_at ON IncomingWebhooks (DeleteAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-CREATE PROCEDURE CheckColumnMaxLength(
-    in columnName varchar(45),
-    in threshold int )
-BEGIN
-    DECLARE C INT;
-
-    SELECT COALESCE(
-        SUM(
-            CASE
-            WHEN CHAR_LENGTH(columnName) > threshold THEN 1
-            ELSE 0
-            END
-        ),
-    0) INTO C
-    FROM IncomingWebhooks;
-
-    IF(C > 0) THEN
-        SET @messageText = CONCAT('IncomingWebhooks column ', columnName, ' has data larger that ', threshold, ' characters');
-        SIGNAL SQLSTATE '45000'
-            SET MESSAGE_TEXT = @messageText;
-    END IF;
-END;
-
-CALL CheckColumnMaxLength('Username', 255);
-CALL CheckColumnMaxLength('IconURL',  1024);
-
-DROP PROCEDURE IF EXISTS CheckColumnMaxLength;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'IncomingWebhooks'
-        AND table_schema = DATABASE()
-        AND column_name = 'Description'
-        AND column_type != 'text'
-    ) > 0,
-    'ALTER TABLE IncomingWebhooks MODIFY COLUMN Description text;',
-    'SELECT 1'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000014_create_outgoing_webhooks.down.sql b/server/channels/db/migrations/mysql/000014_create_outgoing_webhooks.down.sql
deleted file mode 100644
index 9731466ce6f..00000000000
--- a/server/channels/db/migrations/mysql/000014_create_outgoing_webhooks.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS OutgoingWebhooks;
diff --git a/server/channels/db/migrations/mysql/000014_create_outgoing_webhooks.up.sql b/server/channels/db/migrations/mysql/000014_create_outgoing_webhooks.up.sql
deleted file mode 100644
index b31ecc34d91..00000000000
--- a/server/channels/db/migrations/mysql/000014_create_outgoing_webhooks.up.sql
+++ /dev/null
@@ -1,197 +0,0 @@
-CREATE TABLE IF NOT EXISTS OutgoingWebhooks (
-    Id varchar(26) NOT NULL,
-    Token varchar(26) DEFAULT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    UpdateAt bigint(20) DEFAULT NULL,
-    DeleteAt bigint(20) DEFAULT NULL,
-    CreatorId varchar(26) DEFAULT NULL,
-    ChannelId varchar(26) DEFAULT NULL,
-    TeamId varchar(26) DEFAULT NULL,
-    TriggerWords text,
-    CallbackURLs text,
-    DisplayName varchar(64) DEFAULT NULL,
-    PRIMARY KEY(Id)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OutgoingWebhooks'
-        AND table_schema = DATABASE()
-        AND column_name = 'ContentType'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE OutgoingWebhooks ADD ContentType VARCHAR(128);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OutgoingWebhooks'
-        AND table_schema = DATABASE()
-        AND column_name = 'TriggerWhen'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE OutgoingWebhooks ADD TriggerWhen int(11) DEFAULT NULL;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OutgoingWebhooks'
-        AND table_schema = DATABASE()
-        AND column_name = 'Username'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE OutgoingWebhooks ADD Username VARCHAR(64) DEFAULT NULL;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OutgoingWebhooks'
-        AND table_schema = DATABASE()
-        AND column_name = 'IconURL'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE OutgoingWebhooks ADD IconURL text;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OutgoingWebhooks'
-        AND table_schema = DATABASE()
-        AND column_name = 'Description'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE OutgoingWebhooks ADD Description text;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'OutgoingWebhooks'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_outgoing_webhook_team_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_outgoing_webhook_team_id ON OutgoingWebhooks (TeamId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'OutgoingWebhooks'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_outgoing_webhook_update_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_outgoing_webhook_update_at ON OutgoingWebhooks (UpdateAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'OutgoingWebhooks'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_outgoing_webhook_create_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_outgoing_webhook_create_at ON OutgoingWebhooks (CreateAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'OutgoingWebhooks'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_outgoing_webhook_delete_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_outgoing_webhook_delete_at ON OutgoingWebhooks (DeleteAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OutgoingWebhooks'
-        AND table_schema = DATABASE()
-        AND column_name = 'Description'
-        AND column_type != 'text'
-    ) > 0,
-    'ALTER TABLE OutgoingWebhooks MODIFY COLUMN Description text;',
-    'SELECT 1'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OutgoingWebhooks'
-        AND table_schema = DATABASE()
-        AND column_name = 'IconURL'
-        AND column_type != 'text'
-    ) > 0,
-    'ALTER TABLE OutgoingWebhooks MODIFY COLUMN IconURL text;',
-    'SELECT 1'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT Column_Default FROM Information_Schema.Columns
-        WHERE table_name = 'OutgoingWebhooks'
-        AND table_schema = DATABASE()
-        AND column_name = 'Username'
-    ) IS NULL,
-    'ALTER TABLE OutgoingWebhooks ALTER COLUMN Username SET DEFAULT NULL;',
-    'SELECT 1'
-));
-
-PREPARE alterIfDefaultNull FROM @preparedStatement;
-EXECUTE alterIfDefaultNull;
-DEALLOCATE PREPARE alterIfDefaultNull;
diff --git a/server/channels/db/migrations/mysql/000015_create_systems.down.sql b/server/channels/db/migrations/mysql/000015_create_systems.down.sql
deleted file mode 100644
index 28f1d51975c..00000000000
--- a/server/channels/db/migrations/mysql/000015_create_systems.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS Systems;
diff --git a/server/channels/db/migrations/mysql/000015_create_systems.up.sql b/server/channels/db/migrations/mysql/000015_create_systems.up.sql
deleted file mode 100644
index db6f732f774..00000000000
--- a/server/channels/db/migrations/mysql/000015_create_systems.up.sql
+++ /dev/null
@@ -1,5 +0,0 @@
-CREATE TABLE IF NOT EXISTS Systems (
-    Name VARCHAR(64) NOT NULL,
-    Value text,
-    PRIMARY KEY (Name)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
diff --git a/server/channels/db/migrations/mysql/000016_create_reactions.down.sql b/server/channels/db/migrations/mysql/000016_create_reactions.down.sql
deleted file mode 100644
index effe8f7f581..00000000000
--- a/server/channels/db/migrations/mysql/000016_create_reactions.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS Reactions;
diff --git a/server/channels/db/migrations/mysql/000016_create_reactions.up.sql b/server/channels/db/migrations/mysql/000016_create_reactions.up.sql
deleted file mode 100644
index 8759b9b9945..00000000000
--- a/server/channels/db/migrations/mysql/000016_create_reactions.up.sql
+++ /dev/null
@@ -1,76 +0,0 @@
-CREATE TABLE IF NOT EXISTS Reactions (
-    UserId varchar(26) NOT NULL,
-    PostId varchar(26) NOT NULL,
-    EmojiName varchar(64) NOT NULL,
-    CreateAt bigint(20) DEFAULT NULL
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Reactions'
-        AND table_schema = DATABASE()
-        AND column_name = 'UpdateAt'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Reactions ADD COLUMN UpdateAt bigint(20);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Reactions'
-        AND table_schema = DATABASE()
-        AND column_name = 'DeleteAt'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Reactions ADD COLUMN DeleteAt bigint(20);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-CREATE PROCEDURE AlterPrimaryKey()
-BEGIN
-    DECLARE existingPK varchar(26) default '';
-
-    SELECT IFNULL(GROUP_CONCAT(column_name ORDER BY seq_in_index), '') INTO existingPK
-    FROM information_schema.statistics
-    WHERE table_schema = DATABASE()
-    AND table_name = 'Reactions'
-    AND index_name = 'PRIMARY'
-    GROUP BY index_name;
-
-    IF existingPK != 'PostId,UserId,EmojiName' THEN
-        IF existingPk != '' THEN
-            ALTER TABLE Reactions DROP PRIMARY KEY;
-        END IF;
-
-        ALTER TABLE Reactions ADD PRIMARY KEY (PostId, UserID, EmojiName);
-    END IF;
-END;
-
-CALL AlterPrimaryKey();
-
-DROP PROCEDURE IF EXISTS AlterPrimaryKey;
-
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Reactions'
-        AND table_schema = DATABASE()
-        AND column_name = 'RemoteId'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Reactions ADD COLUMN RemoteId varchar(26);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000017_create_roles.down.sql b/server/channels/db/migrations/mysql/000017_create_roles.down.sql
deleted file mode 100644
index 457a9ccbcab..00000000000
--- a/server/channels/db/migrations/mysql/000017_create_roles.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS Roles;
diff --git a/server/channels/db/migrations/mysql/000017_create_roles.up.sql b/server/channels/db/migrations/mysql/000017_create_roles.up.sql
deleted file mode 100644
index f455d23a6db..00000000000
--- a/server/channels/db/migrations/mysql/000017_create_roles.up.sql
+++ /dev/null
@@ -1,61 +0,0 @@
-CREATE TABLE IF NOT EXISTS Roles (
-   Id varchar(26) NOT NULL,
-   Name varchar(64) DEFAULT NULL,
-   DisplayName varchar(128) DEFAULT NULL,
-   Description text,
-   CreateAt bigint(20) DEFAULT NULL,
-   UpdateAt bigint(20) DEFAULT NULL,
-   DeleteAt bigint(20) DEFAULT NULL,
-   Permissions text,
-   SchemeManaged tinyint(1) DEFAULT NULL,
-   PRIMARY KEY (Id),
-   UNIQUE KEY Name (Name)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Roles'
-        AND table_schema = DATABASE()
-        AND column_name = 'BuiltIn'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Roles ADD BuiltIn tinyint(1) DEFAULT NULL;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-CREATE PROCEDURE Migrate_If_Version_Below_500 ()
-BEGIN
-DECLARE
-	CURRENT_DB_VERSION TEXT;
-	SELECT
-		Value
-	FROM
-		Systems
-	WHERE
-		Name = 'Version' INTO CURRENT_DB_VERSION;
-	IF(INET_ATON(CURRENT_DB_VERSION) < INET_ATON('5.0.0')) THEN
-		UPDATE Roles SET SchemeManaged = 0
-            WHERE Name NOT IN ('system_user', 'system_admin', 'team_user', 'team_admin', 'channel_user', 'channel_admin');
-	END IF;
-END;
-	CALL Migrate_If_Version_Below_500 ();
-	DROP PROCEDURE IF EXISTS Migrate_If_Version_Below_500;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Roles'
-        AND table_schema = DATABASE()
-        AND column_name = 'Permissions'
-    ) > 0,
-    'ALTER TABLE Roles MODIFY Permissions longtext;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000018_create_schemes.down.sql b/server/channels/db/migrations/mysql/000018_create_schemes.down.sql
deleted file mode 100644
index d215f26284e..00000000000
--- a/server/channels/db/migrations/mysql/000018_create_schemes.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS Schemes;
diff --git a/server/channels/db/migrations/mysql/000018_create_schemes.up.sql b/server/channels/db/migrations/mysql/000018_create_schemes.up.sql
deleted file mode 100644
index 8a254e54a5e..00000000000
--- a/server/channels/db/migrations/mysql/000018_create_schemes.up.sql
+++ /dev/null
@@ -1,121 +0,0 @@
-CREATE TABLE IF NOT EXISTS Schemes (
-    Id varchar(26) NOT NULL,
-    Name varchar(64) DEFAULT NULL,
-    DisplayName varchar(128) DEFAULT NULL,
-    Description text,
-    CreateAt bigint(20) DEFAULT NULL,
-    UpdateAt bigint(20) DEFAULT NULL,
-    DeleteAt bigint(20) DEFAULT NULL,
-    Scope varchar(32) DEFAULT NULL,
-    DefaultTeamAdminRole varchar(64) DEFAULT NULL,
-    DefaultTeamUserRole varchar(64) DEFAULT NULL,
-    DefaultChannelAdminRole varchar(64) DEFAULT NULL,
-    DefaultChannelUserRole varchar(64) DEFAULT NULL,
-    PRIMARY KEY (Id),
-    UNIQUE KEY Name (Name)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Schemes'
-        AND table_schema = DATABASE()
-        AND column_name = 'DefaultTeamGuestRole'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Schemes ADD DefaultTeamGuestRole varchar(64);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Schemes'
-        AND table_schema = DATABASE()
-        AND column_name = 'DefaultChannelGuestRole'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Schemes ADD DefaultChannelGuestRole varchar(64);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Schemes'
-        AND table_schema = DATABASE()
-        AND column_name = 'DefaultTeamGuestRole'
-    ) > 0,
-    'ALTER TABLE Schemes MODIFY DefaultTeamGuestRole varchar(64);',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Schemes'
-        AND table_schema = DATABASE()
-        AND column_name = 'DefaultChannelGuestRole'
-    ) > 0,
-    'ALTER TABLE Schemes MODIFY DefaultChannelGuestRole varchar(64);',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Schemes'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_schemes_channel_guest_role'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_schemes_channel_guest_role ON Schemes(DefaultChannelGuestRole);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Schemes'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_schemes_channel_user_role'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_schemes_channel_user_role ON Schemes(DefaultChannelUserRole);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Schemes'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_schemes_channel_admin_role'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_schemes_channel_admin_role ON Schemes(DefaultChannelAdminRole);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000019_create_licenses.down.sql b/server/channels/db/migrations/mysql/000019_create_licenses.down.sql
deleted file mode 100644
index 095c88a88a6..00000000000
--- a/server/channels/db/migrations/mysql/000019_create_licenses.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS Licenses;
diff --git a/server/channels/db/migrations/mysql/000019_create_licenses.up.sql b/server/channels/db/migrations/mysql/000019_create_licenses.up.sql
deleted file mode 100644
index 06bb4c95f0e..00000000000
--- a/server/channels/db/migrations/mysql/000019_create_licenses.up.sql
+++ /dev/null
@@ -1,6 +0,0 @@
-CREATE TABLE IF NOT EXISTS Licenses (
-    Id varchar(26) NOT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    Bytes text,
-    PRIMARY KEY (Id)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
diff --git a/server/channels/db/migrations/mysql/000020_create_posts.down.sql b/server/channels/db/migrations/mysql/000020_create_posts.down.sql
deleted file mode 100644
index 4fe641459d3..00000000000
--- a/server/channels/db/migrations/mysql/000020_create_posts.down.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_posts_channel_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_posts_channel_id ON Posts(ChannelId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-DROP TABLE IF EXISTS Posts;
diff --git a/server/channels/db/migrations/mysql/000020_create_posts.up.sql b/server/channels/db/migrations/mysql/000020_create_posts.up.sql
deleted file mode 100644
index cbe1b34b03d..00000000000
--- a/server/channels/db/migrations/mysql/000020_create_posts.up.sql
+++ /dev/null
@@ -1,257 +0,0 @@
-CREATE TABLE IF NOT EXISTS Posts (
-    Id varchar(26) NOT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    UpdateAt bigint(20) DEFAULT NULL,
-    DeleteAt bigint(20) DEFAULT NULL,
-    UserId varchar(26) DEFAULT NULL,
-    ChannelId varchar(26) DEFAULT NULL,
-    RootId varchar(26) DEFAULT NULL,
-    ParentId varchar(26) DEFAULT NULL,
-    OriginalId varchar(26) DEFAULT NULL,
-    Message text,
-    Type varchar(26) DEFAULT NULL,
-    Props text,
-    Hashtags text,
-    Filenames text,
-    PRIMARY KEY (Id)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND column_name = 'FileIds'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Posts ADD FileIds text;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND column_name = 'HasReactions'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Posts ADD HasReactions tinyint(1) DEFAULT NULL;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND column_name = 'EditAt'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Posts ADD EditAt bigint(20) DEFAULT NULL;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND column_name = 'IsPinned'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Posts ADD IsPinned tinyint(1) DEFAULT NULL;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_posts_update_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_posts_update_at ON Posts (UpdateAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_posts_create_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_posts_create_at ON Posts(CreateAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_posts_delete_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_posts_delete_at ON Posts(DeleteAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_posts_root_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_posts_root_id ON Posts(RootId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_posts_user_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_posts_user_id ON Posts(UserId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_posts_is_pinned'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_posts_is_pinned ON Posts(IsPinned);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_posts_channel_id_update_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_posts_channel_id_update_at ON Posts(ChannelId, UpdateAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_posts_channel_id_delete_at_create_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_posts_channel_id_delete_at_create_at ON Posts(ChannelId, DeleteAt, CreateAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_posts_message_txt'
-    ) > 0,
-    'SELECT 1',
-    'CREATE FULLTEXT INDEX idx_posts_message_txt ON Posts(Message);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_posts_hashtags_txt'
-    ) > 0,
-    'SELECT 1',
-    'CREATE FULLTEXT INDEX idx_posts_hashtags_txt ON Posts(Hashtags);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND column_name = 'RemoteId'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Posts ADD RemoteId varchar(26);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_posts_channel_id'
-    ) > 0,
-    'DROP INDEX idx_posts_channel_id ON Posts;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000021_create_product_notice_view_state.down.sql b/server/channels/db/migrations/mysql/000021_create_product_notice_view_state.down.sql
deleted file mode 100644
index c46dff576a4..00000000000
--- a/server/channels/db/migrations/mysql/000021_create_product_notice_view_state.down.sql
+++ /dev/null
@@ -1,31 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ProductNoticeViewState'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_notice_views_user_notice'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_notice_views_user_notice ON ProductNoticeViewState(UserId, NoticeId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ProductNoticeViewState'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_notice_views_user_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_notice_views_user_id ON ProductNoticeViewState(UserId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-DROP TABLE IF EXISTS ProductNoticeViewState;
diff --git a/server/channels/db/migrations/mysql/000021_create_product_notice_view_state.up.sql b/server/channels/db/migrations/mysql/000021_create_product_notice_view_state.up.sql
deleted file mode 100644
index 4a765767662..00000000000
--- a/server/channels/db/migrations/mysql/000021_create_product_notice_view_state.up.sql
+++ /dev/null
@@ -1,67 +0,0 @@
-CREATE TABLE IF NOT EXISTS ProductNoticeViewState (
-    UserId VARCHAR(26) NOT NULL,
-    NoticeId VARCHAR(26) NOT NULL,
-    Viewed int(11),
-    Timestamp bigint(20) DEFAULT NULL,
-    PRIMARY KEY (UserId, NoticeId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ProductNoticeViewState'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_notice_views_timestamp'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_notice_views_timestamp ON ProductNoticeViewState (Timestamp);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ProductNoticeViewState'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_notice_views_notice_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_notice_views_notice_id ON ProductNoticeViewState (NoticeId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ProductNoticeViewState'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_notice_views_user_id'
-    ) > 0,
-    'DROP INDEX idx_notice_views_user_id ON ProductNoticeViewState;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ProductNoticeViewState'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_notice_views_user_notice'
-    ) > 0,
-    'DROP INDEX idx_notice_views_user_notice ON ProductNoticeViewState;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000022_create_sessions.down.sql b/server/channels/db/migrations/mysql/000022_create_sessions.down.sql
deleted file mode 100644
index b651f0dcf79..00000000000
--- a/server/channels/db/migrations/mysql/000022_create_sessions.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS Sessions;
diff --git a/server/channels/db/migrations/mysql/000022_create_sessions.up.sql b/server/channels/db/migrations/mysql/000022_create_sessions.up.sql
deleted file mode 100644
index 476b5d123ea..00000000000
--- a/server/channels/db/migrations/mysql/000022_create_sessions.up.sql
+++ /dev/null
@@ -1,116 +0,0 @@
-CREATE TABLE IF NOT EXISTS Sessions (
-    Id varchar(26) PRIMARY KEY,
-    Token varchar(26) DEFAULT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    ExpiresAt bigint(20) DEFAULT NULL,
-    LastActivityAt bigint(20) DEFAULT NULL,
-    UserId varchar(26) DEFAULT NULL,
-    DeviceId text,
-    Roles varchar(64) DEFAULT NULL,
-    IsOAuth tinyint(1),
-    Props text
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Sessions'
-        AND table_schema = DATABASE()
-        AND column_name = 'ExpiredNotify'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Sessions ADD ExpiredNotify tinyint(1) DEFAULT NULL;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Sessions'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_sessions_user_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_sessions_user_id ON Sessions(UserId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Sessions'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_sessions_token'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_sessions_token ON Sessions(Token);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Sessions'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_sessions_expires_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_sessions_expires_at ON Sessions(ExpiresAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Sessions'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_sessions_create_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_sessions_create_at ON Sessions(CreateAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Sessions'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_sessions_last_activity_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_sessions_last_activity_at ON Sessions(LastActivityAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-CREATE PROCEDURE Migrate_If_Version_Below_5120 ()
-BEGIN
-DECLARE
-	CURRENT_DB_VERSION TEXT;
-	SELECT
-		Value
-	FROM
-		Systems
-	WHERE
-		Name = 'Version' INTO CURRENT_DB_VERSION;
-	IF(INET_ATON(CURRENT_DB_VERSION) < INET_ATON('5.12.0')) THEN
-		DELETE FROM Sessions where ExpiresAt > 3000000000000;
-	END IF;
-END;
-	CALL Migrate_If_Version_Below_5120 ();
-	DROP PROCEDURE IF EXISTS Migrate_If_Version_Below_5120;
diff --git a/server/channels/db/migrations/mysql/000023_create_terms_of_service.down.sql b/server/channels/db/migrations/mysql/000023_create_terms_of_service.down.sql
deleted file mode 100644
index f0bfd556e25..00000000000
--- a/server/channels/db/migrations/mysql/000023_create_terms_of_service.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS TermsOfService;
diff --git a/server/channels/db/migrations/mysql/000023_create_terms_of_service.up.sql b/server/channels/db/migrations/mysql/000023_create_terms_of_service.up.sql
deleted file mode 100644
index 03fc481c116..00000000000
--- a/server/channels/db/migrations/mysql/000023_create_terms_of_service.up.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-CREATE TABLE IF NOT EXISTS TermsOfService (
-    Id varchar(26) NOT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    UserId varchar(26) DEFAULT NULL,
-    Text text,
-    PRIMARY KEY (Id)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
diff --git a/server/channels/db/migrations/mysql/000024_create_audits.down.sql b/server/channels/db/migrations/mysql/000024_create_audits.down.sql
deleted file mode 100644
index 37ca3662a2b..00000000000
--- a/server/channels/db/migrations/mysql/000024_create_audits.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS Audits;
diff --git a/server/channels/db/migrations/mysql/000024_create_audits.up.sql b/server/channels/db/migrations/mysql/000024_create_audits.up.sql
deleted file mode 100644
index 72875e27288..00000000000
--- a/server/channels/db/migrations/mysql/000024_create_audits.up.sql
+++ /dev/null
@@ -1,25 +0,0 @@
-CREATE TABLE IF NOT EXISTS Audits (
-    Id varchar(26) NOT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    UserId varchar(26) DEFAULT NULL,
-    Action text,
-    ExtraInfo text,
-    IpAddress varchar(64) DEFAULT NULL,
-    SessionId varchar(26) DEFAULT NULL,
-    PRIMARY KEY (Id)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Audits'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_audits_user_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_audits_user_id ON Audits(UserId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000025_create_oauth_access_data.down.sql b/server/channels/db/migrations/mysql/000025_create_oauth_access_data.down.sql
deleted file mode 100644
index eb919aed030..00000000000
--- a/server/channels/db/migrations/mysql/000025_create_oauth_access_data.down.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'OAuthAccessData'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_oauthaccessdata_client_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_oauthaccessdata_client_id ON OAuthAccessData(ClientId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-DROP TABLE IF EXISTS OAuthAccessData;
diff --git a/server/channels/db/migrations/mysql/000025_create_oauth_access_data.up.sql b/server/channels/db/migrations/mysql/000025_create_oauth_access_data.up.sql
deleted file mode 100644
index 1d60f529cd0..00000000000
--- a/server/channels/db/migrations/mysql/000025_create_oauth_access_data.up.sql
+++ /dev/null
@@ -1,159 +0,0 @@
-CREATE TABLE IF NOT EXISTS OAuthAccessData (
-  Token varchar(26) NOT NULL,
-  RefreshToken varchar(26) DEFAULT NULL,
-  RedirectUri text,
-  ClientId varchar(26) DEFAULT NULL,
-  UserId varchar(26) DEFAULT NULL,
-  PRIMARY KEY (Token),
-  UNIQUE KEY (ClientId, UserId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OAuthAccessData'
-        AND table_schema = DATABASE()
-        AND column_name = 'ClientId'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE OAuthAccessData ADD ClientId varchar(26) DEFAULT "";'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OAuthAccessData'
-        AND table_schema = DATABASE()
-        AND column_name = 'UserId'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE OAuthAccessData ADD UserId varchar(26) DEFAULT "";'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.statistics
-        WHERE table_name = 'OAuthAccessData'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_oauthaccessdata_user_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_oauthaccessdata_user_id ON OAuthAccessData(UserId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OAuthAccessData'
-        AND table_schema = DATABASE()
-        AND column_name = 'ExpiresAt'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE OAuthAccessData ADD ExpiresAt bigint(20) DEFAULT NULL;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.statistics
-        WHERE table_name = 'OAuthAccessData'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_oauthaccessdata_auth_code'
-    ) > 0,
-    'DROP INDEX idx_oauthaccessdata_auth_code ON OAuthAccessData;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OAuthAccessData'
-        AND table_schema = DATABASE()
-        AND column_name = 'AuthCode'
-    ) > 0,
-    'ALTER TABLE OAuthAccessData DROP COLUMN AuthCode;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OAuthAccessData'
-        AND table_schema = DATABASE()
-        AND column_name = 'Scope'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE OAuthAccessData ADD Scope varchar(128) DEFAULT NULL;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.statistics
-        WHERE table_name = 'OAuthAccessData'
-        AND table_schema = DATABASE()
-        AND index_name = 'ClientId_2'
-    ) > 0,
-    'DROP INDEX ClientId_2 ON OAuthAccessData;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.statistics
-        WHERE table_name = 'OAuthAccessData'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_oauthaccessdata_refresh_token'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_oauthaccessdata_refresh_token ON OAuthAccessData(RefreshToken);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'OAuthAccessData'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_oauthaccessdata_client_id'
-    ) > 0,
-    'DROP INDEX idx_oauthaccessdata_client_id ON OAuthAccessData;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000026_create_preferences.down.sql b/server/channels/db/migrations/mysql/000026_create_preferences.down.sql
deleted file mode 100644
index fde60fcdeeb..00000000000
--- a/server/channels/db/migrations/mysql/000026_create_preferences.down.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Preferences'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_preferences_user_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_preferences_user_id ON Preferences(UserId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-DROP TABLE IF EXISTS Preferences;
diff --git a/server/channels/db/migrations/mysql/000026_create_preferences.up.sql b/server/channels/db/migrations/mysql/000026_create_preferences.up.sql
deleted file mode 100644
index a2cde737286..00000000000
--- a/server/channels/db/migrations/mysql/000026_create_preferences.up.sql
+++ /dev/null
@@ -1,106 +0,0 @@
-CREATE TABLE IF NOT EXISTS Preferences (
-    UserId varchar(26) NOT NULL,
-    Category varchar(32) NOT NULL,
-    Name varchar(32) NOT NULL,
-    Value text,
-    PRIMARY KEY (UserId, Category, Name)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Preferences'
-        AND table_schema = DATABASE()
-        AND column_name = 'Value'
-        AND data_type != 'text'
-    ) > 0,
-    'ALTER TABLE Preferences MODIFY Value text;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Preferences'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_preferences_category'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_preferences_category ON Preferences(Category);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Preferences'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_preferences_name'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_preferences_name ON Preferences(Name);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-CREATE PROCEDURE RenameSolarizedThemeWithUnderscore()
-BEGIN
-    DECLARE finished INTEGER DEFAULT 0;
-    DECLARE curUserId VARCHAR(26);
-    DECLARE curName VARCHAR(32);
-    DECLARE curValue text;
-
-    DECLARE preference
-        CURSOR FOR
-            SELECT UserId, Name, Value
-            FROM Preferences
-            WHERE Category = 'theme' AND Value LIKE '%solarized_%';
-
-    -- declare NOT FOUND handler
-    DECLARE CONTINUE HANDLER
-    FOR NOT FOUND SET finished = 1;
-
-    OPEN preference;
-
-    getPreference: LOOP
-        FETCH preference INTO curUserId, curName, curValue;
-        IF finished = 1 THEN
-            LEAVE getPreference;
-        END IF;
-
-        -- update affected rows
-        UPDATE Preferences
-        SET Value = replace(curValue, 'solaraized_', 'solarized-')
-        WHERE Category = 'theme'
-        AND UserId = curUserId
-        AND Name = curName;
-    END LOOP getPreference;
-END;
-
-CALL RenameSolarizedThemeWithUnderscore();
-
-DROP PROCEDURE IF EXISTS RenameSolarizedThemeWithUnderscore;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Preferences'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_preferences_user_id'
-    ) > 0,
-    'DROP INDEX idx_preferences_user_id ON Preferences;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000027_create_status.down.sql b/server/channels/db/migrations/mysql/000027_create_status.down.sql
deleted file mode 100644
index 6c7e49fc4d3..00000000000
--- a/server/channels/db/migrations/mysql/000027_create_status.down.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Status'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_status_user_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_status_user_id ON Status(UserId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-DROP TABLE IF EXISTS Status;
diff --git a/server/channels/db/migrations/mysql/000027_create_status.up.sql b/server/channels/db/migrations/mysql/000027_create_status.up.sql
deleted file mode 100644
index 7133628559e..00000000000
--- a/server/channels/db/migrations/mysql/000027_create_status.up.sql
+++ /dev/null
@@ -1,83 +0,0 @@
-CREATE TABLE IF NOT EXISTS Status (
-    UserId varchar(26) NOT NULL,
-    Status varchar(32) DEFAULT NULL,
-    `Manual` tinyint(1) DEFAULT NULL,
-    LastActivityAt bigint(20) DEFAULT NULL,
-    PRIMARY KEY (UserId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Status'
-        AND table_schema = DATABASE()
-        AND column_name = 'ActiveChannel'
-    ) > 0,
-    'ALTER TABLE Status DROP COLUMN ActiveChannel;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Status'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_status_status'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_status_status ON Status(Status);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Status'
-        AND table_schema = DATABASE()
-        AND column_name = 'DNDEndTime'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Status ADD COLUMN DNDEndTime BIGINT;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Status'
-        AND table_schema = DATABASE()
-        AND column_name = 'PrevStatus'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Status ADD COLUMN PrevStatus VARCHAR(32);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Status'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_status_user_id'
-    ) > 0,
-    'DROP INDEX idx_status_user_id ON Status;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000028_create_tokens.down.sql b/server/channels/db/migrations/mysql/000028_create_tokens.down.sql
deleted file mode 100644
index 7ef618856eb..00000000000
--- a/server/channels/db/migrations/mysql/000028_create_tokens.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS Tokens;
diff --git a/server/channels/db/migrations/mysql/000028_create_tokens.up.sql b/server/channels/db/migrations/mysql/000028_create_tokens.up.sql
deleted file mode 100644
index 1e0076e1d96..00000000000
--- a/server/channels/db/migrations/mysql/000028_create_tokens.up.sql
+++ /dev/null
@@ -1,23 +0,0 @@
-CREATE TABLE IF NOT EXISTS Tokens (
-    Token varchar(64) NOT NULL,
-    CreateAt bigint(20),
-    Type varchar(64) DEFAULT NULL,
-    Extra text,
-    PRIMARY KEY (Token)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Tokens'
-        AND table_schema = DATABASE()
-        AND column_name = 'Extra'
-        AND data_type != 'text'
-    ) > 0,
-    'ALTER TABLE Tokens MODIFY Extra text;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000029_create_bots.down.sql b/server/channels/db/migrations/mysql/000029_create_bots.down.sql
deleted file mode 100644
index 31c420b298e..00000000000
--- a/server/channels/db/migrations/mysql/000029_create_bots.down.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Bots'
-        AND table_schema = DATABASE()
-        AND column_name = 'LastIconUpdate'
-    ) > 0,
-    'ALTER TABLE Bots DROP COLUMN LastIconUpdate;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-DROP TABLE IF EXISTS bots;
diff --git a/server/channels/db/migrations/mysql/000029_create_bots.up.sql b/server/channels/db/migrations/mysql/000029_create_bots.up.sql
deleted file mode 100644
index 2ead8180f1e..00000000000
--- a/server/channels/db/migrations/mysql/000029_create_bots.up.sql
+++ /dev/null
@@ -1,24 +0,0 @@
-CREATE TABLE IF NOT EXISTS Bots (
-    UserId varchar(26) NOT NULL,
-    Description text,
-    OwnerId varchar(190) DEFAULT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    UpdateAt bigint(20) DEFAULT NULL,
-    DeleteAt bigint(20) DEFAULT NULL,
-    PRIMARY KEY (UserId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Bots'
-        AND table_schema = DATABASE()
-        AND column_name = 'LastIconUpdate'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Bots ADD LastIconUpdate bigint;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000030_create_user_access_tokens.down.sql b/server/channels/db/migrations/mysql/000030_create_user_access_tokens.down.sql
deleted file mode 100644
index 8c2fc9f8e7e..00000000000
--- a/server/channels/db/migrations/mysql/000030_create_user_access_tokens.down.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'UserAccessTokens'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_user_access_tokens_token'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_user_access_tokens_token ON UserAccessTokens(Token);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-DROP TABLE IF EXISTS UserAccessTokens;
diff --git a/server/channels/db/migrations/mysql/000030_create_user_access_tokens.up.sql b/server/channels/db/migrations/mysql/000030_create_user_access_tokens.up.sql
deleted file mode 100644
index 8266d5cd761..00000000000
--- a/server/channels/db/migrations/mysql/000030_create_user_access_tokens.up.sql
+++ /dev/null
@@ -1,53 +0,0 @@
-CREATE TABLE IF NOT EXISTS UserAccessTokens (
-    Id varchar(26) NOT NULL,
-    Token varchar(26) DEFAULT NULL,
-    UserId varchar(26) DEFAULT NULL,
-    Description text,
-    PRIMARY KEY (Id),
-    UNIQUE (Token)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'UserAccessTokens'
-        AND table_schema = DATABASE()
-        AND column_name = 'IsActive'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE UserAccessTokens ADD COLUMN IsActive tinyint(1) DEFAULT NULL;'
-));
-
-PREPARE alterNotIfExists FROM @preparedStatement;
-EXECUTE alterNotIfExists;
-DEALLOCATE PREPARE alterNotIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'UserAccessTokens'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_user_access_tokens_user_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_user_access_tokens_user_id ON UserAccessTokens(UserId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'UserAccessTokens'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_user_access_tokens_token'
-    ) > 0,
-    'DROP INDEX idx_user_access_tokens_token ON UserAccessTokens;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000031_create_remote_clusters.down.sql b/server/channels/db/migrations/mysql/000031_create_remote_clusters.down.sql
deleted file mode 100644
index f4f7207a3b1..00000000000
--- a/server/channels/db/migrations/mysql/000031_create_remote_clusters.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS RemoteClusters;
diff --git a/server/channels/db/migrations/mysql/000031_create_remote_clusters.up.sql b/server/channels/db/migrations/mysql/000031_create_remote_clusters.up.sql
deleted file mode 100644
index 5169e66bb0e..00000000000
--- a/server/channels/db/migrations/mysql/000031_create_remote_clusters.up.sql
+++ /dev/null
@@ -1,29 +0,0 @@
-CREATE TABLE IF NOT EXISTS RemoteClusters (
-    RemoteId VARCHAR(26) NOT NULL,
-    RemoteTeamId VARCHAR(26),
-    Name VARCHAR(64) NOT NULL,
-    DisplayName VARCHAR(64),
-    SiteURL text,
-    CreateAt bigint,
-    LastPingAt bigint,
-    Token VARCHAR(26) DEFAULT NULL,
-    RemoteToken VARCHAR(26),
-    Topics text,
-    CreatorId VARCHAR(26) DEFAULT NULL,
-    PRIMARY KEY (RemoteId, Name)
-);
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'RemoteClusters'
-        AND table_schema = DATABASE()
-        AND index_name = 'remote_clusters_site_url_unique'
-    ) > 0,
-    'SELECT 1',
-    'CREATE UNIQUE INDEX remote_clusters_site_url_unique ON RemoteClusters (RemoteTeamId, SiteURL (168));'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000032_create_sharedchannels.down.sql b/server/channels/db/migrations/mysql/000032_create_sharedchannels.down.sql
deleted file mode 100644
index 76bf2e3bdd9..00000000000
--- a/server/channels/db/migrations/mysql/000032_create_sharedchannels.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS SharedChannels;
diff --git a/server/channels/db/migrations/mysql/000032_create_sharedchannels.up.sql b/server/channels/db/migrations/mysql/000032_create_sharedchannels.up.sql
deleted file mode 100644
index 02e75f106ac..00000000000
--- a/server/channels/db/migrations/mysql/000032_create_sharedchannels.up.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-CREATE TABLE IF NOT EXISTS SharedChannels (
-  ChannelId varchar(26) NOT NULL,
-  TeamId varchar(26) DEFAULT NULL,
-  Home tinyint(1) DEFAULT NULL,
-  ReadOnly tinyint(1) DEFAULT NULL,
-  ShareName varchar(64) DEFAULT NULL,
-  ShareDisplayName varchar(64) DEFAULT NULL,
-  SharePurpose varchar(250) DEFAULT NULL,
-  ShareHeader text,
-  CreatorId varchar(26) DEFAULT NULL,
-  CreateAt bigint(20) DEFAULT NULL,
-  UpdateAt bigint(20) DEFAULT NULL,
-  RemoteId varchar(26) DEFAULT NULL,
-  PRIMARY KEY (ChannelId),
-  UNIQUE KEY ShareName (ShareName, TeamId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
diff --git a/server/channels/db/migrations/mysql/000033_create_sidebar_channels.down.sql b/server/channels/db/migrations/mysql/000033_create_sidebar_channels.down.sql
deleted file mode 100644
index 41c9c708730..00000000000
--- a/server/channels/db/migrations/mysql/000033_create_sidebar_channels.down.sql
+++ /dev/null
@@ -1,17 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SidebarChannels'
-        AND table_schema = DATABASE()
-        AND column_name = 'CategoryId'
-        AND column_type != 'varchar(26)'
-    ) > 0,
-    'ALTER TABLE SidebarChannels MODIFY CategoryId varchar(26);',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-DROP TABLE IF EXISTS SidebarChannels;
diff --git a/server/channels/db/migrations/mysql/000033_create_sidebar_channels.up.sql b/server/channels/db/migrations/mysql/000033_create_sidebar_channels.up.sql
deleted file mode 100644
index 916d8069ab9..00000000000
--- a/server/channels/db/migrations/mysql/000033_create_sidebar_channels.up.sql
+++ /dev/null
@@ -1,23 +0,0 @@
-CREATE TABLE IF NOT EXISTS SidebarChannels (
-    ChannelId varchar(26) NOT NULL,
-    UserId varchar(26) NOT NULL,
-    CategoryId varchar(26) NOT NULL,
-    SortOrder bigint(20) DEFAULT NULL,
-    PRIMARY KEY (ChannelId, UserId, CategoryId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SidebarChannels'
-        AND table_schema = DATABASE()
-        AND column_name = 'CategoryId'
-        AND column_type != 'varchar(128)'
-    ) > 0,
-    'ALTER TABLE SidebarChannels MODIFY CategoryId varchar(128);',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000034_create_oauthauthdata.down.sql b/server/channels/db/migrations/mysql/000034_create_oauthauthdata.down.sql
deleted file mode 100644
index 0587da7bfaf..00000000000
--- a/server/channels/db/migrations/mysql/000034_create_oauthauthdata.down.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'OAuthAuthData'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_oauthauthdata_client_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_oauthauthdata_client_id ON OAuthAuthData(Code);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-DROP TABLE IF EXISTS OAuthAuthData;
diff --git a/server/channels/db/migrations/mysql/000034_create_oauthauthdata.up.sql b/server/channels/db/migrations/mysql/000034_create_oauthauthdata.up.sql
deleted file mode 100644
index aeb32c33e71..00000000000
--- a/server/channels/db/migrations/mysql/000034_create_oauthauthdata.up.sql
+++ /dev/null
@@ -1,38 +0,0 @@
-CREATE TABLE IF NOT EXISTS OAuthAuthData (
-  ClientId varchar(26) DEFAULT NULL,
-  UserId varchar(26) DEFAULT NULL,
-  Code varchar(128) NOT NULL,
-  ExpiresIn int(11) DEFAULT NULL,
-  CreateAt bigint(20) DEFAULT NULL,
-  RedirectUri text,
-  State text,
-  Scope varchar(128) DEFAULT NULL,
-  PRIMARY KEY (Code)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OAuthAuthData'
-        AND table_schema = DATABASE()
-        AND column_name = 'State'
-        AND (data_type != 'varchar' OR character_maximum_length != 1024)
-    ) > 0,
-    'ALTER TABLE OAuthAuthData MODIFY State text;',
-    'SELECT 1'
-));
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'OAuthAuthData'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_oauthauthdata_client_id'
-    ) > 0,
-    'DROP INDEX idx_oauthauthdata_client_id ON OAuthAuthData;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000035_create_sharedchannelattachments.down.sql b/server/channels/db/migrations/mysql/000035_create_sharedchannelattachments.down.sql
deleted file mode 100644
index 2a1014808f9..00000000000
--- a/server/channels/db/migrations/mysql/000035_create_sharedchannelattachments.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS SharedChannelAttachments;
diff --git a/server/channels/db/migrations/mysql/000035_create_sharedchannelattachments.up.sql b/server/channels/db/migrations/mysql/000035_create_sharedchannelattachments.up.sql
deleted file mode 100644
index a6dd01ae8b9..00000000000
--- a/server/channels/db/migrations/mysql/000035_create_sharedchannelattachments.up.sql
+++ /dev/null
@@ -1,9 +0,0 @@
-CREATE TABLE IF NOT EXISTS SharedChannelAttachments (
-  Id varchar(26) NOT NULL,
-  FileId varchar(26) DEFAULT NULL,
-  RemoteId varchar(26) DEFAULT NULL,
-  CreateAt bigint(20) DEFAULT NULL,
-  LastSyncAt bigint(20) DEFAULT NULL,
-  PRIMARY KEY (Id),
-  UNIQUE KEY FileId (FileId,RemoteId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
diff --git a/server/channels/db/migrations/mysql/000036_create_sharedchannelusers.down.sql b/server/channels/db/migrations/mysql/000036_create_sharedchannelusers.down.sql
deleted file mode 100644
index 36c5c138c78..00000000000
--- a/server/channels/db/migrations/mysql/000036_create_sharedchannelusers.down.sql
+++ /dev/null
@@ -1,31 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'SharedChannelUsers'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_sharedchannelusers_user_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_sharedchannelusers_user_id ON SharedChannelUsers(UserId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SharedChannelUsers'
-        AND table_schema = DATABASE()
-        AND column_name = 'ChannelId'
-    ) > 0,
-    'ALTER TABLE SharedChannelUsers DROP COLUMN ChannelId;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-DROP TABLE IF EXISTS SharedChannelUsers;
diff --git a/server/channels/db/migrations/mysql/000036_create_sharedchannelusers.up.sql b/server/channels/db/migrations/mysql/000036_create_sharedchannelusers.up.sql
deleted file mode 100644
index db108e623f9..00000000000
--- a/server/channels/db/migrations/mysql/000036_create_sharedchannelusers.up.sql
+++ /dev/null
@@ -1,68 +0,0 @@
-CREATE TABLE IF NOT EXISTS SharedChannelUsers (
-  Id varchar(26) NOT NULL,
-  UserId varchar(26) DEFAULT NULL,
-  RemoteId varchar(26) DEFAULT NULL,
-  CreateAt bigint(20) DEFAULT NULL,
-  LastSyncAt bigint(20) DEFAULT NULL,
-  PRIMARY KEY (Id)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SharedChannelUsers'
-        AND table_schema = DATABASE()
-        AND column_name = 'ChannelId'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE SharedChannelUsers ADD ChannelId varchar(26) DEFAULT NULL;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM information_schema.TABLE_CONSTRAINTS
-        WHERE table_name = 'SharedChannelUsers'
-        AND table_schema = DATABASE()
-        AND constraint_type = 'UNIQUE'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE SharedChannelUsers ADD CONSTRAINT UNIQUE KEY UserId(UserId, ChannelId, RemoteId)'
-));
-
-PREPARE alterIfUniqueNotExists FROM @preparedStatement;
-EXECUTE alterIfUniqueNotExists;
-DEALLOCATE PREPARE alterIfUniqueNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'SharedChannelUsers'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_sharedchannelusers_user_id'
-    ) > 0,
-    'DROP INDEX idx_sharedchannelusers_user_id ON SharedChannelUsers;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'SharedChannelUsers'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_sharedchannelusers_remote_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_sharedchannelusers_remote_id ON SharedChannelUsers(RemoteId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000037_create_sharedchannelremotes.down.sql b/server/channels/db/migrations/mysql/000037_create_sharedchannelremotes.down.sql
deleted file mode 100644
index a88a94021f6..00000000000
--- a/server/channels/db/migrations/mysql/000037_create_sharedchannelremotes.down.sql
+++ /dev/null
@@ -1,31 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SharedChannelRemotes'
-        AND table_schema = DATABASE()
-        AND column_name = 'LastPostId'
-    ) > 0,
-    'ALTER TABLE SharedChannelRemotes DROP COLUMN LastPostId;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SharedChannelRemotes'
-        AND table_schema = DATABASE()
-        AND column_name = 'LastPostUpdateAt'
-    ) > 0,
-    'ALTER TABLE SharedChannelRemotes DROP COLUMN LastPostUpdateAt;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-DROP TABLE IF EXISTS SharedChannelRemotes;
diff --git a/server/channels/db/migrations/mysql/000037_create_sharedchannelremotes.up.sql b/server/channels/db/migrations/mysql/000037_create_sharedchannelremotes.up.sql
deleted file mode 100644
index ca5c5eefb8c..00000000000
--- a/server/channels/db/migrations/mysql/000037_create_sharedchannelremotes.up.sql
+++ /dev/null
@@ -1,42 +0,0 @@
-CREATE TABLE IF NOT EXISTS SharedChannelRemotes (
-  Id varchar(26) NOT NULL,
-  ChannelId varchar(26) NOT NULL,
-  CreatorId varchar(26) DEFAULT NULL,
-  CreateAt bigint(20) DEFAULT NULL,
-  UpdateAt bigint(20) DEFAULT NULL,
-  IsInviteAccepted tinyint(1) DEFAULT NULL,
-  IsInviteConfirmed tinyint(1) DEFAULT NULL,
-  RemoteId varchar(26) DEFAULT NULL,
-  PRIMARY KEY (Id, ChannelId),
-  UNIQUE KEY ChannelId (ChannelId, RemoteId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SharedChannelRemotes'
-        AND table_schema = DATABASE()
-        AND column_name = 'LastPostUpdateAt'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE SharedChannelRemotes ADD LastPostUpdateAt bigint;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SharedChannelRemotes'
-        AND table_schema = DATABASE()
-        AND column_name = 'LastPostId'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE SharedChannelRemotes ADD LastPostId VARCHAR(26);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000038_create_jobs.down.sql b/server/channels/db/migrations/mysql/000038_create_jobs.down.sql
deleted file mode 100644
index a972609b10b..00000000000
--- a/server/channels/db/migrations/mysql/000038_create_jobs.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS Jobs;
diff --git a/server/channels/db/migrations/mysql/000038_create_jobs.up.sql b/server/channels/db/migrations/mysql/000038_create_jobs.up.sql
deleted file mode 100644
index 24fed74042d..00000000000
--- a/server/channels/db/migrations/mysql/000038_create_jobs.up.sql
+++ /dev/null
@@ -1,13 +0,0 @@
-CREATE TABLE IF NOT EXISTS Jobs (
-    Id varchar(26) NOT NULL,
-    Type varchar(32) DEFAULT NULL,
-    Priority bigint(20) DEFAULT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    StartAt bigint(20) DEFAULT NULL,
-    LastActivityAt bigint(20) DEFAULT NULL,
-    Status varchar(32) DEFAULT NULL,
-    Progress bigint(20) DEFAULT NULL,
-    Data text,
-    PRIMARY KEY (Id),
-    KEY idx_jobs_type (Type)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
diff --git a/server/channels/db/migrations/mysql/000039_create_channel_member_history.down.sql b/server/channels/db/migrations/mysql/000039_create_channel_member_history.down.sql
deleted file mode 100644
index 8256abd0e69..00000000000
--- a/server/channels/db/migrations/mysql/000039_create_channel_member_history.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS ChannelMemberHistory;
diff --git a/server/channels/db/migrations/mysql/000039_create_channel_member_history.up.sql b/server/channels/db/migrations/mysql/000039_create_channel_member_history.up.sql
deleted file mode 100644
index 6c72e4057df..00000000000
--- a/server/channels/db/migrations/mysql/000039_create_channel_member_history.up.sql
+++ /dev/null
@@ -1,37 +0,0 @@
-CREATE TABLE IF NOT EXISTS ChannelMemberHistory (
-  ChannelId varchar(26) NOT NULL,
-  UserId varchar(26) NOT NULL,
-  JoinTime bigint(20) NOT NULL,
-  LeaveTime bigint(20) DEFAULT NULL,
-  PRIMARY KEY (ChannelId, UserId, JoinTime)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'ChannelMemberHistory'
-        AND table_schema = DATABASE()
-        AND column_name = 'Email'
-    ) > 0,
-    'ALTER TABLE ChannelMemberHistory DROP COLUMN Email',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'ChannelMemberHistory'
-        AND table_schema = DATABASE()
-        AND column_name = 'Username'
-    ) > 0,
-    'ALTER TABLE ChannelMemberHistory DROP COLUMN Username',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000040_create_sidebar_categories.down.sql b/server/channels/db/migrations/mysql/000040_create_sidebar_categories.down.sql
deleted file mode 100644
index ea3198a415b..00000000000
--- a/server/channels/db/migrations/mysql/000040_create_sidebar_categories.down.sql
+++ /dev/null
@@ -1,47 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SidebarCategories'
-        AND table_schema = DATABASE()
-        AND column_name = 'Collapsed'
-    ) > 0,
-    'ALTER TABLE SidebarCategories DROP COLUMN Collapsed;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SidebarCategories'
-        AND table_schema = DATABASE()
-        AND column_name = 'Muted'
-    ) > 0,
-    'ALTER TABLE SidebarCategories DROP COLUMN Muted;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SidebarCategories'
-        AND table_schema = DATABASE()
-        AND column_name = 'Id'
-        AND column_type != 'varchar(26)'
-    ) > 0,
-    'ALTER TABLE SidebarCategories MODIFY Id varchar(26);',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-DROP TABLE IF EXISTS SidebarCategories;
diff --git a/server/channels/db/migrations/mysql/000040_create_sidebar_categories.up.sql b/server/channels/db/migrations/mysql/000040_create_sidebar_categories.up.sql
deleted file mode 100644
index 7ad170b2ee6..00000000000
--- a/server/channels/db/migrations/mysql/000040_create_sidebar_categories.up.sql
+++ /dev/null
@@ -1,56 +0,0 @@
-CREATE TABLE IF NOT EXISTS SidebarCategories (
-    Id varchar(26) NOT NULL,
-    UserId varchar(26) DEFAULT NULL,
-    TeamId varchar(26) DEFAULT NULL,
-    SortOrder bigint(20) DEFAULT NULL,
-    Sorting varchar(64) DEFAULT NULL,
-    Type varchar(64) DEFAULT NULL,
-    DisplayName varchar(64) DEFAULT NULL,
-    PRIMARY KEY (Id)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SidebarCategories'
-        AND table_schema = DATABASE()
-        AND column_name = 'Id'
-        AND column_type != 'varchar(128)'
-    ) > 0,
-    'ALTER TABLE SidebarCategories MODIFY Id varchar(128);',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SidebarCategories'
-        AND table_schema = DATABASE()
-        AND column_name = 'Muted'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE SidebarCategories ADD COLUMN Muted tinyint(1);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SidebarCategories'
-        AND table_schema = DATABASE()
-        AND column_name = 'Collapsed'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE SidebarCategories ADD COLUMN Collapsed tinyint(1);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000041_create_upload_sessions.down.sql b/server/channels/db/migrations/mysql/000041_create_upload_sessions.down.sql
deleted file mode 100644
index 283d121ba41..00000000000
--- a/server/channels/db/migrations/mysql/000041_create_upload_sessions.down.sql
+++ /dev/null
@@ -1,31 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'UploadSessions'
-        AND table_schema = DATABASE()
-        AND column_name = 'RemoteId'
-    ) > 0,
-    'ALTER TABLE UploadSessions DROP RemoteId;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'UploadSessions'
-        AND table_schema = DATABASE()
-        AND column_name = 'ReqFileId'
-    ) > 0,
-    'ALTER TABLE UploadSessions DROP ReqFileId;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-DROP TABLE IF EXISTS UploadSessions;
diff --git a/server/channels/db/migrations/mysql/000041_create_upload_sessions.up.sql b/server/channels/db/migrations/mysql/000041_create_upload_sessions.up.sql
deleted file mode 100644
index f5ce42ef469..00000000000
--- a/server/channels/db/migrations/mysql/000041_create_upload_sessions.up.sql
+++ /dev/null
@@ -1,104 +0,0 @@
-CREATE TABLE IF NOT EXISTS UploadSessions (
-    Id varchar(26) NOT NULL,
-    Type varchar(32) DEFAULT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    UserId varchar(26) DEFAULT NULL,
-    ChannelId varchar(26) DEFAULT NULL,
-    Filename text,
-    Path text,
-    FileSize bigint(20) DEFAULT NULL,
-    FileOffset bigint(20) DEFAULT NULL,
-    PRIMARY KEY (Id)
-);
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'UploadSessions'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_uploadsessions_user_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_uploadsessions_user_id ON UploadSessions(UserId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'UploadSessions'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_uploadsessions_create_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_uploadsessions_create_at ON UploadSessions(CreateAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'UploadSessions'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_uploadsessions_type'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_uploadsessions_type ON UploadSessions(Type);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'UploadSessions'
-        AND table_schema = DATABASE()
-        AND column_name = 'RemoteId'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE UploadSessions ADD RemoteId varchar(26) DEFAULT NULL;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'UploadSessions'
-        AND table_schema = DATABASE()
-        AND column_name = 'ReqFileId'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE UploadSessions ADD ReqFileId varchar(26) DEFAULT NULL;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-CREATE PROCEDURE Migrate_If_Version_Below_5350 ()
-BEGIN
-DECLARE
-	CURRENT_DB_VERSION TEXT;
-	SELECT
-		Value
-	FROM
-		Systems
-	WHERE
-		Name = 'Version' INTO CURRENT_DB_VERSION;
-	IF(INET_ATON(CURRENT_DB_VERSION) < INET_ATON('5.35.0')) THEN
-		UPDATE UploadSessions SET RemoteId='', ReqFileId='' WHERE RemoteId IS NULL;
-	END IF;
-END;
-	CALL Migrate_If_Version_Below_5350 ();
-	DROP PROCEDURE IF EXISTS Migrate_If_Version_Below_5350;
diff --git a/server/channels/db/migrations/mysql/000042_create_threads.down.sql b/server/channels/db/migrations/mysql/000042_create_threads.down.sql
deleted file mode 100644
index 3318314b6c2..00000000000
--- a/server/channels/db/migrations/mysql/000042_create_threads.down.sql
+++ /dev/null
@@ -1,31 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Threads'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_threads_channel_id'
-    ) > 0,
-    'DROP INDEX idx_threads_channel_id ON Threads;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Threads'
-        AND table_schema = DATABASE()
-        AND column_name = 'ChannelId'
-    ) > 0,
-    'ALTER TABLE Threads DROP COLUMN ChannelId;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-DROP TABLE IF EXISTS Threads;
diff --git a/server/channels/db/migrations/mysql/000042_create_threads.up.sql b/server/channels/db/migrations/mysql/000042_create_threads.up.sql
deleted file mode 100644
index b7eafe5a013..00000000000
--- a/server/channels/db/migrations/mysql/000042_create_threads.up.sql
+++ /dev/null
@@ -1,60 +0,0 @@
-CREATE TABLE IF NOT EXISTS Threads (
-    PostId varchar(26) NOT NULL,
-    ReplyCount bigint(20),
-    LastReplyAt bigint(20),
-    Participants text,
-    PRIMARY KEY (PostId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Threads'
-        AND table_schema = DATABASE()
-        AND column_name = 'ChannelId'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Threads ADD COLUMN ChannelId VARCHAR(26) DEFAULT NULL;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Threads'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_threads_channel_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_threads_channel_id ON Threads(ChannelId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-CREATE PROCEDURE Migrate_Empty_Threads ()
-BEGIN
-DECLARE
-	EMPTY_THREADS_EXIST INT;
-	SELECT
-		COUNT(*)
-	FROM
-		Threads
-	WHERE
-		ChannelId IS NULL INTO EMPTY_THREADS_EXIST;
-	IF(EMPTY_THREADS_EXIST > 0) THEN
-		UPDATE
-			Threads
-			INNER JOIN Posts ON Posts.Id = Threads.PostId
-		SET
-			Threads.ChannelId = Posts.ChannelId
-		WHERE
-			Threads.ChannelId IS NULL;
-		END IF;
-END;
-	CALL Migrate_Empty_Threads ();
-	DROP PROCEDURE IF EXISTS Migrate_Empty_Threads;
diff --git a/server/channels/db/migrations/mysql/000043_thread_memberships.down.sql b/server/channels/db/migrations/mysql/000043_thread_memberships.down.sql
deleted file mode 100644
index c0f9c77088f..00000000000
--- a/server/channels/db/migrations/mysql/000043_thread_memberships.down.sql
+++ /dev/null
@@ -1,62 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ThreadMemberships'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_thread_memberships_user_id'
-    ) > 0,
-    'DROP INDEX idx_thread_memberships_user_id ON ThreadMemberships;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ThreadMemberships'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_thread_memberships_last_view_at'
-    ) > 0,
-    'DROP INDEX idx_thread_memberships_last_view_at ON ThreadMemberships;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ThreadMemberships'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_thread_memberships_last_update_at'
-    ) > 0,
-    'DROP INDEX idx_thread_memberships_last_update_at ON ThreadMemberships;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'ThreadMemberships'
-        AND table_schema = DATABASE()
-        AND column_name = 'UnreadMentions'
-    ) > 0,
-    'ALTER TABLE ThreadMemberships DROP COLUMN UnreadMentions;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-DROP TABLE IF EXISTS ThreadMemberships;
diff --git a/server/channels/db/migrations/mysql/000043_thread_memberships.up.sql b/server/channels/db/migrations/mysql/000043_thread_memberships.up.sql
deleted file mode 100644
index ae9b668c969..00000000000
--- a/server/channels/db/migrations/mysql/000043_thread_memberships.up.sql
+++ /dev/null
@@ -1,68 +0,0 @@
-CREATE TABLE IF NOT EXISTS ThreadMemberships (
-    PostId varchar(26) NOT NULL,
-    UserId varchar(26) NOT NULL,
-    Following tinyint(1),
-    LastViewed bigint(20) DEFAULT NULL,
-    LastUpdated bigint(20) DEFAULT NULL,
-    PRIMARY KEY (PostId, UserId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'ThreadMemberships'
-        AND table_schema = DATABASE()
-        AND column_name = 'UnreadMentions'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE ThreadMemberships ADD UnreadMentions bigint(20) DEFAULT NULL;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ThreadMemberships'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_thread_memberships_last_update_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_thread_memberships_last_update_at ON ThreadMemberships(LastUpdated);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ThreadMemberships'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_thread_memberships_last_view_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_thread_memberships_last_view_at ON ThreadMemberships(LastViewed);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ThreadMemberships'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_thread_memberships_user_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_thread_memberships_user_id ON ThreadMemberships(UserId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000044_create_user_terms_of_service.down.sql b/server/channels/db/migrations/mysql/000044_create_user_terms_of_service.down.sql
deleted file mode 100644
index d36f8dc52df..00000000000
--- a/server/channels/db/migrations/mysql/000044_create_user_terms_of_service.down.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'UserTermsOfService'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_user_terms_of_service_user_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_user_terms_of_service_user_id ON UserTermsOfService(UserId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-DROP TABLE IF EXISTS UserTermsOfService;
diff --git a/server/channels/db/migrations/mysql/000044_create_user_terms_of_service.up.sql b/server/channels/db/migrations/mysql/000044_create_user_terms_of_service.up.sql
deleted file mode 100644
index 90ea921489b..00000000000
--- a/server/channels/db/migrations/mysql/000044_create_user_terms_of_service.up.sql
+++ /dev/null
@@ -1,43 +0,0 @@
-CREATE TABLE IF NOT EXISTS UserTermsOfService (
-    UserId varchar(26) NOT NULL,
-    TermsOfServiceId varchar(26) DEFAULT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    PRIMARY KEY (UserId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-CREATE PROCEDURE MigrateToUserTermsOfServiceTable()
-BEGIN
-	DECLARE COL_EXIST INT;
-
-	SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'AcceptedTermsOfServiceId' INTO COL_EXIST;
-
-	IF(COL_EXIST > 0) THEN
-		INSERT INTO UserTermsOfService
-        	SELECT Id, AcceptedTermsOfServiceId as TermsOfServiceId, ROUND(UNIX_TIMESTAMP(CURTIME(4)) * 1000)
-        	FROM Users
-        	WHERE AcceptedTermsOfServiceId != ''
-        	AND AcceptedTermsOfServiceId IS NOT NULL;
-	END IF;
-END;
-
-CALL MigrateToUserTermsOfServiceTable();
-
-DROP PROCEDURE IF EXISTS MigrateToUserTermsOfServiceTable;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'UserTermsOfService'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_user_terms_of_service_user_id'
-    ) > 0,
-    'DROP INDEX idx_user_terms_of_service_user_id ON UserTermsOfService;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000045_create_plugin_key_value_store.down.sql b/server/channels/db/migrations/mysql/000045_create_plugin_key_value_store.down.sql
deleted file mode 100644
index 414d336ce8f..00000000000
--- a/server/channels/db/migrations/mysql/000045_create_plugin_key_value_store.down.sql
+++ /dev/null
@@ -1,31 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT Column_Default FROM Information_Schema.Columns
-        WHERE table_name = 'PluginKeyValueStore'
-        AND table_schema = DATABASE()
-        AND column_name = 'ExpireAt'
-    ) IS NULL,
-    'ALTER TABLE PluginKeyValueStore ALTER COLUMN ExpireAt SET DEFAULT 0;',
-    'SELECT 1'
-));
-
-PREPARE alterIfDefaultNull FROM @preparedStatement;
-EXECUTE alterIfDefaultNull;
-DEALLOCATE PREPARE alterIfDefaultNull;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'PluginKeyValueStore'
-        AND table_schema = DATABASE()
-        AND column_name = 'ExpireAt'
-    ) > 0,
-    'ALTER TABLE PluginKeyValueStore DROP COLUMN ExpireAt;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-DROP TABLE IF EXISTS PluginKeyValueStore;
diff --git a/server/channels/db/migrations/mysql/000045_create_plugin_key_value_store.up.sql b/server/channels/db/migrations/mysql/000045_create_plugin_key_value_store.up.sql
deleted file mode 100644
index 4343f27e2e5..00000000000
--- a/server/channels/db/migrations/mysql/000045_create_plugin_key_value_store.up.sql
+++ /dev/null
@@ -1,36 +0,0 @@
-CREATE TABLE IF NOT EXISTS PluginKeyValueStore (
-  PluginId varchar(190) NOT NULL,
-  PKey varchar(50) NOT NULL,
-  PValue mediumblob,
-  PRIMARY KEY (PluginId, PKey)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'PluginKeyValueStore'
-        AND table_schema = DATABASE()
-        AND column_name = 'ExpireAt'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE PluginKeyValueStore ADD ExpireAt bigint(20) DEFAULT 0;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT Column_Default FROM Information_Schema.Columns
-        WHERE table_name = 'PluginKeyValueStore'
-        AND table_schema = DATABASE()
-        AND column_name = 'ExpireAt'
-    ) = 0,
-    'ALTER TABLE PluginKeyValueStore ALTER COLUMN ExpireAt SET DEFAULT NULL;',
-    'SELECT 1'
-));
-
-PREPARE alterIfDefaultZero FROM @preparedStatement;
-EXECUTE alterIfDefaultZero;
-DEALLOCATE PREPARE alterIfDefaultZero;
diff --git a/server/channels/db/migrations/mysql/000046_create_users.down.sql b/server/channels/db/migrations/mysql/000046_create_users.down.sql
deleted file mode 100644
index e91d3c90a5a..00000000000
--- a/server/channels/db/migrations/mysql/000046_create_users.down.sql
+++ /dev/null
@@ -1,31 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_users_email'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_users_email ON Users(Email);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'RemoteId'
-    ) > 0,
-    'ALTER TABLE Users DROP RemoteId;',
-    'SELECT 1'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-DROP TABLE IF EXISTS Users;
diff --git a/server/channels/db/migrations/mysql/000046_create_users.up.sql b/server/channels/db/migrations/mysql/000046_create_users.up.sql
deleted file mode 100644
index f279c44ca69..00000000000
--- a/server/channels/db/migrations/mysql/000046_create_users.up.sql
+++ /dev/null
@@ -1,286 +0,0 @@
-CREATE TABLE IF NOT EXISTS Users (
-    Id varchar(26) NOT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    UpdateAt bigint(20) DEFAULT NULL,
-    DeleteAt bigint(20) DEFAULT NULL,
-    Username varchar(64) DEFAULT NULL,
-    Password varchar(128) DEFAULT NULL,
-    AuthData varchar(128) DEFAULT NULL,
-    AuthService varchar(32) DEFAULT NULL,
-    Email varchar(128) DEFAULT NULL,
-    EmailVerified tinyint(1),
-    Nickname varchar(64) DEFAULT NULL,
-    FirstName varchar(64) DEFAULT NULL,
-    LastName varchar(64) DEFAULT NULL,
-    Roles varchar(256) DEFAULT NULL,
-    AllowMarketing tinyint(1),
-    Props text,
-    NotifyProps text,
-    LastPasswordUpdate bigint(20) DEFAULT NULL,
-    LastPictureUpdate bigint(20) DEFAULT NULL,
-    FailedAttempts integer,
-    Locale varchar(5) DEFAULT NULL,
-    MfaActive tinyint(1),
-    MfaSecret varchar(128) DEFAULT NULL,
-    PRIMARY KEY (Id),
-    UNIQUE KEY Username (Username),
-    UNIQUE KEY AuthData (AuthData),
-    UNIQUE KEY Email (Email)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'LastActivityAt'
-    ) > 0,
-    'ALTER TABLE Users DROP COLUMN LastActivityAt;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'LastPingAt'
-    ) > 0,
-    'ALTER TABLE Users DROP COLUMN LastPingAt;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-CREATE PROCEDURE Migrate_If_Version_Below_350 ()
-BEGIN
-DECLARE
-	CURRENT_DB_VERSION TEXT;
-	SELECT
-		Value
-	FROM
-		Systems
-	WHERE
-		Name = 'Version' INTO CURRENT_DB_VERSION;
-	IF(INET_ATON(CURRENT_DB_VERSION) < INET_ATON('3.5.0')) THEN		
-        UPDATE Users SET Roles = 'system_user' WHERE Roles = '';
-        UPDATE Users SET Roles = 'system_user system_admin' WHERE Roles = 'system_admin';
-	END IF;
-END;
-	CALL Migrate_If_Version_Below_350 ();
-	DROP PROCEDURE IF EXISTS Migrate_If_Version_Below_350;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'Position'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Users ADD Position varchar(128) DEFAULT NULL;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'Timezone'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Users ADD Timezone varchar(256) DEFAULT \'{"automaticTimezone":"","manualTimezone":"","useAutomaticTimezone":"true"}\';'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'Position'
-    ) > 0,
-    'ALTER TABLE Users MODIFY Position varchar(128);',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-CREATE PROCEDURE Migrate_If_Version_Below_4100 ()
-BEGIN
-DECLARE
-	CURRENT_DB_VERSION TEXT;
-	SELECT
-		Value
-	FROM
-		Systems
-	WHERE
-		Name = 'Version' INTO CURRENT_DB_VERSION;
-	IF(INET_ATON(CURRENT_DB_VERSION) < INET_ATON('4.10.0')) THEN
-		UPDATE Users SET AuthData=LOWER(AuthData) WHERE AuthService = 'saml';
-	END IF;
-END;
-	CALL Migrate_If_Version_Below_4100 ();
-	DROP PROCEDURE IF EXISTS Migrate_If_Version_Below_4100;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT MIN(CHAR_LENGTH(Roles)) - MAX(CHAR_LENGTH(Roles))
-        FROM Users
-    ) != 0,
-    'ALTER TABLE Users MODIFY Roles varchar(256);',
-    'SELECT 1'
-));
-
-PREPARE updateIfMismatch FROM @preparedStatement;
-EXECUTE updateIfMismatch;
-DEALLOCATE PREPARE updateIfMismatch;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_users_update_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_users_update_at ON Users(UpdateAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_users_create_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_users_create_at ON Users(CreateAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_users_delete_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_users_delete_at ON Users(DeleteAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_users_all_txt'
-    ) > 0,
-    'SELECT 1',
-    'CREATE FULLTEXT INDEX idx_users_all_txt ON Users(Username, FirstName, LastName, Nickname, Email);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_users_all_no_full_name_txt'
-    ) > 0,
-    'SELECT 1',
-    'CREATE FULLTEXT INDEX idx_users_all_no_full_name_txt ON Users(Username, Nickname, Email);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_users_names_txt'
-    ) > 0,
-    'SELECT 1',
-    'CREATE FULLTEXT INDEX idx_users_names_txt ON Users(Username, FirstName, LastName, Nickname);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_users_names_no_full_name_txt'
-    ) > 0,
-    'SELECT 1',
-    'CREATE FULLTEXT INDEX idx_users_names_no_full_name_txt ON Users(Username, Nickname);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'RemoteId'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Users ADD RemoteId VARCHAR(26);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_users_email'
-    ) > 0,
-    'DROP INDEX idx_users_email ON Users;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000047_create_file_info.down.sql b/server/channels/db/migrations/mysql/000047_create_file_info.down.sql
deleted file mode 100644
index 38b185da6cb..00000000000
--- a/server/channels/db/migrations/mysql/000047_create_file_info.down.sql
+++ /dev/null
@@ -1,91 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'FileInfo'
-        AND table_schema = DATABASE()
-        AND column_name = 'RemoteId'
-    ) > 0,
-    'ALTER TABLE FileInfo DROP COLUMN RemoteId;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'FileInfo'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_fileinfo_content_txt'
-    ) > 0,
-    'DROP INDEX idx_fileinfo_content_txt ON FileInfo;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'FileInfo'
-        AND table_schema = DATABASE()
-        AND column_name = 'Content'
-    ) > 0,
-    'ALTER TABLE FileInfo DROP COLUMN Content;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'FileInfo'
-        AND table_schema = DATABASE()
-        AND column_name = 'MiniPreview'
-    ) > 0,
-    'ALTER TABLE FileInfo DROP COLUMN MiniPreview;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'FileInfo'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_fileinfo_name_txt'
-    ) > 0,
-    'DROP INDEX idx_fileinfo_name_txt ON FileInfo;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'FileInfo'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_fileinfo_extension_at'
-    ) > 0,
-    'DROP INDEX idx_fileinfo_extension_at ON FileInfo;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-DROP TABLE IF EXISTS FileInfo;
diff --git a/server/channels/db/migrations/mysql/000047_create_file_info.up.sql b/server/channels/db/migrations/mysql/000047_create_file_info.up.sql
deleted file mode 100644
index da37d20e5e4..00000000000
--- a/server/channels/db/migrations/mysql/000047_create_file_info.up.sql
+++ /dev/null
@@ -1,113 +0,0 @@
-CREATE TABLE IF NOT EXISTS FileInfo (
-    Id varchar(26) NOT NULL,
-    CreatorId varchar(26) DEFAULT NULL,
-    PostId varchar(26) DEFAULT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    UpdateAt bigint(20) DEFAULT NULL,
-    DeleteAt bigint(20) DEFAULT NULL,
-    Path text,
-    ThumbnailPath text,
-    PreviewPath text,
-    Name text,
-    Extension varchar(64) DEFAULT NULL,
-    Size bigint(20) DEFAULT NULL,
-    MimeType text,
-    Width int(11) DEFAULT NULL,
-    Height int(11) DEFAULT NULL,
-    HasPreviewImage tinyint(1) DEFAULT NULL,
-    PRIMARY KEY (Id),
-    KEY idx_fileinfo_update_at (UpdateAt),
-    KEY idx_fileinfo_create_at (CreateAt),
-    KEY idx_fileinfo_delete_at (DeleteAt),
-    KEY idx_fileinfo_postid_at (PostId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'FileInfo'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_fileinfo_extension_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_fileinfo_extension_at ON FileInfo (Extension);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'FileInfo'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_fileinfo_name_txt'
-    ) > 0,
-    'SELECT 1',
-    'CREATE FULLTEXT INDEX idx_fileinfo_name_txt ON FileInfo (Name);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'FileInfo'
-        AND table_schema = DATABASE()
-        AND column_name = 'MiniPreview'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE FileInfo ADD MiniPreview mediumblob;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'FileInfo'
-        AND table_schema = DATABASE()
-        AND column_name = 'Content'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE FileInfo ADD Content longtext;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'FileInfo'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_fileinfo_content_txt'
-    ) > 0,
-    'SELECT 1',
-    'CREATE FULLTEXT INDEX idx_fileinfo_content_txt ON FileInfo (Content);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'FileInfo'
-        AND table_schema = DATABASE()
-        AND column_name = 'RemoteId'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE FileInfo ADD COLUMN RemoteId varchar(26);'
-));
-
-PREPARE alterNotIfExists FROM @preparedStatement;
-EXECUTE alterNotIfExists;
-DEALLOCATE PREPARE alterNotIfExists;
diff --git a/server/channels/db/migrations/mysql/000048_create_oauth_apps.down.sql b/server/channels/db/migrations/mysql/000048_create_oauth_apps.down.sql
deleted file mode 100644
index 5aeb019a400..00000000000
--- a/server/channels/db/migrations/mysql/000048_create_oauth_apps.down.sql
+++ /dev/null
@@ -1,46 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OAuthApps'
-        AND table_schema = DATABASE()
-        AND column_name = 'IconURL'
-    ) > 0,
-    'ALTER TABLE OAuthApps DROP COLUMN IconURL;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OAuthApps'
-        AND table_schema = DATABASE()
-        AND column_name = 'IsTrusted'
-    ) > 0,
-    'ALTER TABLE OAuthApps DROP COLUMN IsTrusted;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'OAuthApps'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_oauthapps_creator_id'
-    ) > 0,
-    'DROP INDEX idx_oauthapps_creator_id ON OAuthApps;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-DROP TABLE IF EXISTS OAuthApps;
diff --git a/server/channels/db/migrations/mysql/000048_create_oauth_apps.up.sql b/server/channels/db/migrations/mysql/000048_create_oauth_apps.up.sql
deleted file mode 100644
index 0757d6f0a3a..00000000000
--- a/server/channels/db/migrations/mysql/000048_create_oauth_apps.up.sql
+++ /dev/null
@@ -1,57 +0,0 @@
-CREATE TABLE IF NOT EXISTS OAuthApps (
-  Id varchar(26) NOT NULL,
-  CreatorId varchar(26) DEFAULT NULL,
-  CreateAt bigint(20) DEFAULT NULL,
-  UpdateAt bigint(20) DEFAULT NULL,
-  ClientSecret varchar(128) DEFAULT NULL,
-  Name varchar(64) DEFAULT NULL,
-  Description text,
-  CallbackUrls text,
-  Homepage text,
-  PRIMARY KEY (Id)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'OAuthApps'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_oauthapps_creator_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_oauthapps_creator_id ON OAuthApps(CreatorId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OAuthApps'
-        AND table_schema = DATABASE()
-        AND column_name = 'IsTrusted'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE OAuthApps ADD IsTrusted tinyint(1) DEFAULT NULL;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OAuthApps'
-        AND table_schema = DATABASE()
-        AND column_name = 'IconURL'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE OAuthApps ADD IconURL text;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000049_create_channels.down.sql b/server/channels/db/migrations/mysql/000049_create_channels.down.sql
deleted file mode 100644
index 017bd069e83..00000000000
--- a/server/channels/db/migrations/mysql/000049_create_channels.down.sql
+++ /dev/null
@@ -1,136 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channels_name'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_channels_name ON Channels(Name);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND column_name = 'Shared'
-    ) > 0,
-    'ALTER TABLE Channels DROP COLUMN Shared;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channels_scheme_id'
-    ) > 0,
-    'DROP INDEX idx_channels_scheme_id ON Channels;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT column_type FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND column_name = 'GroupConstrained'
-    ) != 'tinyint(4)',
-    'ALTER TABLE Channels MODIFY GroupConstrained tinyint(4);',
-    'SELECT 1'
-));
-
-PREPARE alterIfTypeDifferent FROM @preparedStatement;
-EXECUTE alterIfTypeDifferent;
-DEALLOCATE PREPARE alterIfTypeDifferent;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND column_name = 'GroupConstrained'
-    ) > 0,
-    'ALTER TABLE Channels DROP COLUMN GroupConstrained;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channels_txt'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_channels_txt ON Channels(Name,DisplayName);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND column_name = 'SchemeId'
-    ) > 0,
-    'ALTER TABLE Channels DROP COLUMN SchemeId;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channels_displayname'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_channels_displayname ON Channels(DisplayName);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT column_type FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND column_name = 'Purpose'
-    ) != 'varchar(64)',
-    'ALTER TABLE Channels MODIFY Purpose varchar(64);',
-    'SELECT 1'
-));
-
-PREPARE alterIfTypeDifferent FROM @preparedStatement;
-EXECUTE alterIfTypeDifferent;
-DEALLOCATE PREPARE alterIfTypeDifferent;
-
-DROP TABLE IF EXISTS Channels;
diff --git a/server/channels/db/migrations/mysql/000049_create_channels.up.sql b/server/channels/db/migrations/mysql/000049_create_channels.up.sql
deleted file mode 100644
index 8581acf5196..00000000000
--- a/server/channels/db/migrations/mysql/000049_create_channels.up.sql
+++ /dev/null
@@ -1,175 +0,0 @@
-CREATE TABLE IF NOT EXISTS Channels (
-    Id varchar(26) NOT NULL,
-    CreateAt bigint(20),
-    UpdateAt bigint(20),
-    DeleteAt bigint(20),
-    TeamId varchar(26),
-    Type varchar(1),
-    DisplayName varchar(64),
-    Name varchar(64),
-    Header text,
-    Purpose varchar(128),
-    LastPostAt bigint(20),
-    TotalMsgCount bigint(20),
-    ExtraUpdateAt bigint(20),
-    CreatorId varchar(26),
-    PRIMARY KEY (Id),
-    UNIQUE KEY Name (Name, TeamId),
-    KEY idx_channels_team_id (TeamId),
-    KEY idx_channels_name (Name),
-    KEY idx_channels_update_at (UpdateAt),
-    KEY idx_channels_create_at (CreateAt),
-    KEY idx_channels_delete_at (DeleteAt),
-    KEY idx_channels_displayname (DisplayName),
-    FULLTEXT KEY idx_channels_txt (Name,DisplayName) 
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT column_type FROM Information_Schema.Columns
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND column_name = 'Purpose'
-    ) != 'varchar(250)',
-    'ALTER TABLE Channels MODIFY Purpose varchar(250)',
-    'SELECT 1'
-));
-
-PREPARE alterIfTypeDifferent FROM @preparedStatement;
-EXECUTE alterIfTypeDifferent;
-DEALLOCATE PREPARE alterIfTypeDifferent;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channels_displayname'
-    ) > 0,
-    'DROP INDEX idx_channels_displayname ON Channels;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND column_name = 'SchemeId'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Channels ADD COLUMN SchemeId varchar(26);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channels_txt'
-    ) > 0,
-    'DROP INDEX idx_channels_txt ON Channels;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND column_name = 'GroupConstrained'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Channels ADD COLUMN GroupConstrained tinyint(4);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT column_type FROM Information_Schema.Columns
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND column_name = 'GroupConstrained'
-    ) != 'tinyint(1)',
-    'ALTER TABLE Channels MODIFY GroupConstrained tinyint(1)',
-    'SELECT 1'
-));
-
-PREPARE alterIfTypeDifferent FROM @preparedStatement;
-EXECUTE alterIfTypeDifferent;
-DEALLOCATE PREPARE alterIfTypeDifferent;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channels_scheme_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_channels_scheme_id ON Channels(SchemeId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channel_search_txt'
-    ) > 0,
-    'SELECT 1',
-    'CREATE FULLTEXT INDEX idx_channel_search_txt ON Channels(Name,DisplayName,Purpose);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND column_name = 'Shared'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Channels ADD COLUMN Shared tinyint(1);'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channels_name'
-    ) > 0,
-    'DROP INDEX idx_channels_name ON Channels;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000050_create_channelmembers.down.sql b/server/channels/db/migrations/mysql/000050_create_channelmembers.down.sql
deleted file mode 100644
index de05b626d35..00000000000
--- a/server/channels/db/migrations/mysql/000050_create_channelmembers.down.sql
+++ /dev/null
@@ -1,76 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channelmembers_channel_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_channelmembers_channel_id ON ChannelMembers(ChannelId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'SchemeGuest'
-    ) > 0,
-    'ALTER TABLE ChannelMembers DROP COLUMN SchemeGuest;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'SchemeAdmin'
-    ) > 0,
-    'ALTER TABLE ChannelMembers DROP COLUMN SchemeAdmin;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'SchemeUser'
-    ) > 0,
-    'ALTER TABLE ChannelMembers DROP COLUMN SchemeUser;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channelmembers_user_id'
-    ) > 0,
-    'DROP INDEX idx_channelmembers_user_id ON ChannelMembers;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-DROP TABLE IF EXISTS ChannelMembers;
diff --git a/server/channels/db/migrations/mysql/000050_create_channelmembers.up.sql b/server/channels/db/migrations/mysql/000050_create_channelmembers.up.sql
deleted file mode 100644
index c82fb48fad0..00000000000
--- a/server/channels/db/migrations/mysql/000050_create_channelmembers.up.sql
+++ /dev/null
@@ -1,86 +0,0 @@
-CREATE TABLE IF NOT EXISTS ChannelMembers (
-    ChannelId varchar(26) NOT NULL,
-    UserId varchar(26) NOT NULL,
-    Roles varchar(64),
-    LastViewedAt bigint(20),
-    MsgCount bigint(20),
-    MentionCount bigint(20),
-    NotifyProps text,
-    LastUpdateAt bigint(20),
-    PRIMARY KEY (ChannelId, UserId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channelmembers_user_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_channelmembers_user_id ON ChannelMembers(UserId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'SchemeUser'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE ChannelMembers ADD COLUMN SchemeUser tinyint(4);' -- this was tinyint(4) on my instance
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'SchemeAdmin'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE ChannelMembers ADD COLUMN SchemeAdmin tinyint(4);' -- this was tinyint(4) on my instance
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'SchemeGuest'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE ChannelMembers ADD COLUMN SchemeGuest tinyint(4);' -- this was tinyint(4) on my instance
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channelmembers_channel_id'
-    ) > 0,
-    'DROP INDEX idx_channelmembers_channel_id ON ChannelMembers;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000051_create_msg_root_count.down.sql b/server/channels/db/migrations/mysql/000051_create_msg_root_count.down.sql
deleted file mode 100644
index 0bca846ab50..00000000000
--- a/server/channels/db/migrations/mysql/000051_create_msg_root_count.down.sql
+++ /dev/null
@@ -1,44 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'MsgCountRoot'
-    ) > 0,
-    'ALTER TABLE ChannelMembers DROP COLUMN MsgCountRoot;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'MentionCountRoot'
-    ) > 0,
-    'ALTER TABLE ChannelMembers DROP COLUMN MentionCountRoot;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND column_name = 'TotalMsgCountRoot'
-    ) > 0,
-    'ALTER TABLE Channels DROP COLUMN TotalMsgCountRoot;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000051_create_msg_root_count.up.sql b/server/channels/db/migrations/mysql/000051_create_msg_root_count.up.sql
deleted file mode 100644
index 6654b9b83c4..00000000000
--- a/server/channels/db/migrations/mysql/000051_create_msg_root_count.up.sql
+++ /dev/null
@@ -1,126 +0,0 @@
-CREATE PROCEDURE MigrateRootMentionCount () BEGIN DECLARE MentionCountRoot_EXIST INT; DECLARE MsgCountRoot_EXIST INT;
-SELECT COUNT(*)
-FROM INFORMATION_SCHEMA.COLUMNS
-WHERE TABLE_NAME = 'Channels'
-  AND table_schema = DATABASE()
-  AND COLUMN_NAME = 'TotalMsgCountRoot' INTO MsgCountRoot_EXIST;
-SELECT COUNT(*)
-FROM INFORMATION_SCHEMA.COLUMNS
-WHERE TABLE_NAME = 'ChannelMembers'
-  AND table_schema = DATABASE()
-  AND COLUMN_NAME = 'MsgCountRoot' INTO MentionCountRoot_EXIST;
-
-SET @tmp_count_root := 0;
-	IF(MentionCountRoot_EXIST = 1) THEN
-		SELECT @tmp_count_root := COUNT(*)
-		FROM ChannelMembers
-			WHERE MsgCountRoot IS NULL
-			OR MentionCountRoot IS NULL;
-END IF;
-
-SET @preparedStatement =
-  (SELECT IF(
-               (SELECT COUNT(*)
-                FROM INFORMATION_SCHEMA.COLUMNS
-                WHERE TABLE_NAME = 'ChannelMembers'
-                  AND table_schema = DATABASE()
-                  AND COLUMN_NAME = 'MentionCountRoot') > 0, 'SELECT 1', 'ALTER TABLE ChannelMembers ADD COLUMN MentionCountRoot bigint(20);'));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-IF(@tmp_count_root > 0) THEN
-UPDATE ChannelMembers
-INNER JOIN
-  (SELECT ChannelId,
-          COALESCE(SUM(UnreadMentions), 0) AS UnreadMentions,
-          UserId
-   FROM ThreadMemberships
-   LEFT JOIN Threads ON ThreadMemberships.PostId = Threads.PostId
-   GROUP BY Threads.ChannelId,
-            ThreadMemberships.UserId) AS q ON q.ChannelId = ChannelMembers.ChannelId
-AND q.UserId = ChannelMembers.UserId
-AND ChannelMembers.MentionCount > 0
-SET MentionCountRoot = ChannelMembers.MentionCount - q.UnreadMentions;
-END IF;
-
-SET @preparedStatement =
-  (SELECT IF(
-               (SELECT COUNT(*)
-                FROM INFORMATION_SCHEMA.COLUMNS
-                WHERE TABLE_NAME = 'Channels'
-                  AND table_schema = DATABASE()
-                  AND COLUMN_NAME = 'TotalMsgCountRoot') > 0, 'SELECT 1', 'ALTER TABLE Channels ADD COLUMN TotalMsgCountRoot bigint(20);'));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement =
-  (SELECT IF(
-               (SELECT COUNT(*)
-                FROM INFORMATION_SCHEMA.COLUMNS
-                WHERE TABLE_NAME = 'Channels'
-                  AND table_schema = DATABASE()
-                  AND COLUMN_NAME = 'LastRootAt') > 0, 'SELECT 1', 'ALTER TABLE Channels ADD COLUMN LastRootAt bigint(20);'));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement =
-  (SELECT IF(
-               (SELECT COUNT(*)
-                FROM INFORMATION_SCHEMA.COLUMNS
-                WHERE TABLE_NAME = 'ChannelMembers'
-                  AND table_schema = DATABASE()
-                  AND COLUMN_NAME = 'MsgCountRoot') > 0, 'SELECT 1', 'ALTER TABLE ChannelMembers ADD COLUMN MsgCountRoot bigint(20);'));
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-IF(MsgCountRoot_EXIST = 0) THEN
-UPDATE Channels
-INNER JOIN
-  (SELECT Channels.Id channelid,
-          COALESCE(COUNT(*), 0) newcount,
-          COALESCE(MAX(Posts.CreateAt), 0) AS lastpost
-   FROM Channels
-   LEFT JOIN Posts
-   FORCE INDEX (idx_posts_channel_id_update_at) ON Channels.Id = Posts.ChannelId
-   WHERE Posts.RootId = ''
-   GROUP BY Channels.Id) AS q ON q.channelid = Channels.Id
-SET TotalMsgCountRoot = q.newcount,
-    LastRootAt = q.lastpost;
-END IF;
-
-IF(MentionCountRoot_EXIST = 0) THEN
-UPDATE ChannelMembers CM
-INNER JOIN
-  (SELECT TotalMsgCountRoot,
-          Id,
-          LastRootAt
-   FROM Channels) AS q ON q.id = CM.ChannelId
-AND LastViewedAt >= q.lastrootat
-SET MsgCountRoot = TotalMsgCountRoot;
-END IF;
-
-SET @preparedStatement =
-  (SELECT IF(
-               (SELECT COUNT(*)
-                FROM INFORMATION_SCHEMA.COLUMNS
-                WHERE TABLE_NAME = 'Channels'
-                  AND table_schema = DATABASE()
-                  AND COLUMN_NAME = 'LastRootAt' ) > 0, 'ALTER TABLE Channels DROP COLUMN LastRootAt;', 'SELECT 1'));
-
-PREPARE alterIfExists
-FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-END;
-
-CALL MigrateRootMentionCount ();
-
-DROP PROCEDURE IF EXISTS MigrateRootMentionCount;
diff --git a/server/channels/db/migrations/mysql/000052_create_public_channels.down.sql b/server/channels/db/migrations/mysql/000052_create_public_channels.down.sql
deleted file mode 100644
index 15433e21314..00000000000
--- a/server/channels/db/migrations/mysql/000052_create_public_channels.down.sql
+++ /dev/null
@@ -1,77 +0,0 @@
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'PublicChannels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_publicchannels_name'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_publicchannels_name ON PublicChannels(name);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'PublicChannels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_publicchannels_search_txt'
-    ) > 0,
-    'DROP INDEX idx_publicchannels_search_txt ON PublicChannels;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'PublicChannels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_publicchannels_delete_at'
-    ) > 0,
-    'DROP INDEX idx_publicchannels_delete_at ON PublicChannels;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'PublicChannels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_publicchannels_name'
-    ) > 0,
-    'DROP INDEX idx_publicchannels_name ON PublicChannels;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'PublicChannels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_publicchannels_team_id'
-    ) > 0,
-    'DROP INDEX idx_publicchannels_team_id ON PublicChannels;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-DROP TABLE IF EXISTS PublicChannels;
diff --git a/server/channels/db/migrations/mysql/000052_create_public_channels.up.sql b/server/channels/db/migrations/mysql/000052_create_public_channels.up.sql
deleted file mode 100644
index fafed65b2da..00000000000
--- a/server/channels/db/migrations/mysql/000052_create_public_channels.up.sql
+++ /dev/null
@@ -1,109 +0,0 @@
-CREATE TABLE IF NOT EXISTS PublicChannels (
-    Id varchar(26) NOT NULL,
-    DeleteAt bigint(20) DEFAULT NULL,
-    TeamId varchar(26) DEFAULT NULL,
-    DisplayName varchar(64) DEFAULT NULL,
-    Name varchar(64) DEFAULT NULL,
-    Header text,
-    Purpose varchar(250) DEFAULT NULL,
-    PRIMARY KEY (Id),
-    UNIQUE KEY Name (Name, TeamId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'PublicChannels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_publicchannels_team_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_publicchannels_team_id ON PublicChannels(TeamId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'PublicChannels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_publicchannels_name'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_publicchannels_name ON PublicChannels(Name);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'PublicChannels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_publicchannels_delete_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_publicchannels_delete_at ON PublicChannels(DeleteAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'PublicChannels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_publicchannels_search_txt'
-    ) > 0,
-    'SELECT 1',
-    'CREATE FULLTEXT INDEX idx_publicchannels_search_txt ON PublicChannels(Name, DisplayName, Purpose);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-CREATE PROCEDURE MigratePC ()
-BEGIN DECLARE
-	PublicChannels_Count INT;
-	SELECT
-		COUNT(*)
-	FROM
-		PublicChannels INTO PublicChannels_Count;
-	IF(PublicChannels_Count = 0) THEN
-		INSERT INTO PublicChannels (Id, DeleteAt, TeamId, DisplayName, Name, Header, Purpose)
-		SELECT
-			c.Id, c.DeleteAt, c.TeamId, c.DisplayName, c.Name, c.Header, c.Purpose
-		FROM
-			Channels c
-		LEFT JOIN PublicChannels pc ON (pc.Id = c.Id)
-	WHERE
-		c.Type = 'O' AND pc.Id IS NULL;
-	END IF;
-END;
-
-CALL MigratePC();
-
-DROP PROCEDURE IF EXISTS MigratePC;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'PublicChannels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_publicchannels_name'
-    ) > 0,
-    'DROP INDEX idx_publicchannels_name ON PublicChannels;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000053_create_retention_policies.down.sql b/server/channels/db/migrations/mysql/000053_create_retention_policies.down.sql
deleted file mode 100644
index 0961167a70c..00000000000
--- a/server/channels/db/migrations/mysql/000053_create_retention_policies.down.sql
+++ /dev/null
@@ -1,93 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'RetentionPolicies'
-        AND table_schema = DATABASE()
-        AND index_name = 'IDX_RetentionPolicies_DisplayName'
-    ) > 0,
-    'DROP INDEX IDX_RetentionPolicies_DisplayName ON RetentionPolicies;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'RetentionPolicies'
-        AND table_schema = DATABASE()
-        AND index_name = 'IDX_RetentionPolicies_DisplayName_Id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX IDX_RetentionPolicies_DisplayName_Id ON RetentionPolicies(DisplayName, Id);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS
-        WHERE constraint_schema = DATABASE()
-        AND constraint_name = 'FK_RetentionPoliciesChannels_RetentionPolicies'
-        AND constraint_type = 'FOREIGN KEY'
-    ) > 0,
-    'ALTER TABLE RetentionPoliciesChannels DROP FOREIGN KEY FK_RetentionPoliciesChannels_RetentionPolicies',
-    'SELECT 1;'
-));
-
-PREPARE dropForeignKeyIfNotExists FROM @preparedStatement;
-EXECUTE dropForeignKeyIfNotExists;
-DEALLOCATE PREPARE dropForeignKeyIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS
-        WHERE constraint_schema = DATABASE()
-        AND constraint_name = 'FK_RetentionPoliciesTeams_RetentionPolicies'
-        AND constraint_type = 'FOREIGN KEY'
-    ) > 0,
-    'ALTER TABLE RetentionPoliciesTeams DROP FOREIGN KEY FK_RetentionPoliciesTeams_RetentionPolicies',
-    'SELECT 1;'
-));
-
-PREPARE dropForeignKeyIfNotExists FROM @preparedStatement;
-EXECUTE dropForeignKeyIfNotExists;
-DEALLOCATE PREPARE dropForeignKeyIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'RetentionPoliciesChannels'
-        AND table_schema = DATABASE()
-        AND index_name = 'IDX_RetentionPoliciesChannels_PolicyId'
-    ) > 0,
-    'DROP INDEX IDX_RetentionPoliciesChannels_PolicyId ON RetentionPoliciesChannels;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'RetentionPoliciesTeams'
-        AND table_schema = DATABASE()
-        AND index_name = 'IDX_RetentionPoliciesTeams_PolicyId'
-    ) > 0,
-    'DROP INDEX IDX_RetentionPoliciesTeams_PolicyId ON RetentionPoliciesTeams;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-DROP TABLE IF EXISTS RetentionPoliciesChannels;
-DROP TABLE IF EXISTS RetentionPoliciesTeams;
-DROP TABLE IF EXISTS RetentionPolicies;
diff --git a/server/channels/db/migrations/mysql/000053_create_retention_policies.up.sql b/server/channels/db/migrations/mysql/000053_create_retention_policies.up.sql
deleted file mode 100644
index 4e63aa012ac..00000000000
--- a/server/channels/db/migrations/mysql/000053_create_retention_policies.up.sql
+++ /dev/null
@@ -1,109 +0,0 @@
-CREATE TABLE IF NOT EXISTS RetentionPolicies (
-	Id varchar(26) NOT NULL,
-	DisplayName varchar(64) DEFAULT NULL,
-	PostDuration  bigint(20) DEFAULT NULL,
-    PRIMARY KEY (Id)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-CREATE TABLE IF NOT EXISTS RetentionPoliciesTeams (
-	PolicyId varchar(26) DEFAULT NULL,
-    TeamId varchar(26) NOT NULL,
-    PRIMARY KEY (TeamId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-CREATE TABLE IF NOT EXISTS RetentionPoliciesChannels (
-	PolicyId varchar(26) DEFAULT NULL,
-    ChannelId varchar(26) NOT NULL,
-    PRIMARY KEY (ChannelId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS
-        WHERE constraint_schema = DATABASE()
-        AND constraint_name = 'FK_RetentionPoliciesTeams_RetentionPolicies'
-        AND constraint_type = 'FOREIGN KEY'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE RetentionPoliciesTeams ADD CONSTRAINT FK_RetentionPoliciesTeams_RetentionPolicies FOREIGN KEY (PolicyId) REFERENCES RetentionPolicies (Id) ON DELETE CASCADE;'
-));
-
-PREPARE createForeignKeyIfNotExists FROM @preparedStatement;
-EXECUTE createForeignKeyIfNotExists;
-DEALLOCATE PREPARE createForeignKeyIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS
-        WHERE constraint_schema = DATABASE()
-        AND constraint_name = 'FK_RetentionPoliciesChannels_RetentionPolicies'
-        AND constraint_type = 'FOREIGN KEY'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE RetentionPoliciesChannels ADD CONSTRAINT FK_RetentionPoliciesChannels_RetentionPolicies FOREIGN KEY (PolicyId) REFERENCES RetentionPolicies (Id) ON DELETE CASCADE;'
-));
-
-PREPARE createForeignKeyIfNotExists FROM @preparedStatement;
-EXECUTE createForeignKeyIfNotExists;
-DEALLOCATE PREPARE createForeignKeyIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'RetentionPoliciesTeams'
-        AND table_schema = DATABASE()
-        AND index_name = 'IDX_RetentionPoliciesTeams_PolicyId'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX IDX_RetentionPoliciesTeams_PolicyId ON RetentionPoliciesTeams(PolicyId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'RetentionPoliciesChannels'
-        AND table_schema = DATABASE()
-        AND index_name = 'IDX_RetentionPoliciesChannels_PolicyId'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX IDX_RetentionPoliciesChannels_PolicyId ON RetentionPoliciesChannels(PolicyId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'RetentionPolicies'
-        AND table_schema = DATABASE()
-        AND index_name = 'IDX_RetentionPolicies_DisplayName_Id'
-    ) > 0,
-    'DROP INDEX IDX_RetentionPolicies_DisplayName_Id ON RetentionPolicies;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'RetentionPolicies'
-        AND table_schema = DATABASE()
-        AND index_name = 'IDX_RetentionPolicies_DisplayName'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX IDX_RetentionPolicies_DisplayName ON RetentionPolicies(DisplayName);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000054_create_crt_channelmembership_count.down.sql b/server/channels/db/migrations/mysql/000054_create_crt_channelmembership_count.down.sql
deleted file mode 100644
index eb3e8d4e9ad..00000000000
--- a/server/channels/db/migrations/mysql/000054_create_crt_channelmembership_count.down.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-CREATE PROCEDURE ClearCRTChannelMembershipCounts ()
-BEGIN
-	IF((
-		SELECT
-			COUNT(*) FROM Systems
-		WHERE
-			Name = 'CRTChannelMembershipCountsMigrationComplete') > 0) THEN
-		DELETE FROM Systems
-		WHERE Name = 'CRTChannelMembershipCountsMigrationComplete';
-	END IF;
-END;
-
-CALL ClearCRTChannelMembershipCounts ();
-
-DROP PROCEDURE IF EXISTS ClearCRTChannelMembershipCounts;
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000054_create_crt_channelmembership_count.up.sql b/server/channels/db/migrations/mysql/000054_create_crt_channelmembership_count.up.sql
deleted file mode 100644
index a67373298c3..00000000000
--- a/server/channels/db/migrations/mysql/000054_create_crt_channelmembership_count.up.sql
+++ /dev/null
@@ -1,27 +0,0 @@
-/* fixCRTChannelMembershipCounts fixes the channel counts, i.e. the total message count,
-total root message count, mention count, and mention count in root messages for users
-who have viewed the channel after the last post in the channel */
-
-CREATE PROCEDURE MigrateCRTChannelMembershipCounts ()
-BEGIN
-	IF(
-		SELECT
-			EXISTS (
-			SELECT
-				* FROM Systems
-			WHERE
-				Name = 'CRTChannelMembershipCountsMigrationComplete') = 0) THEN
-		UPDATE
-			ChannelMembers
-			INNER JOIN Channels ON Channels.Id = ChannelMembers.ChannelId SET
-				MentionCount = 0, MentionCountRoot = 0, MsgCount = Channels.TotalMsgCount, MsgCountRoot = Channels.TotalMsgCountRoot, LastUpdateAt = (
-				SELECT
-					(SELECT ROUND(UNIX_TIMESTAMP(NOW(3))*1000)))
-	WHERE
-		ChannelMembers.LastViewedAt >= Channels.LastPostAt;
-		INSERT INTO Systems
-			VALUES('CRTChannelMembershipCountsMigrationComplete', 'true');
-	END IF;
-END;
-	CALL MigrateCRTChannelMembershipCounts ();
-	DROP PROCEDURE IF EXISTS MigrateCRTChannelMembershipCounts;
diff --git a/server/channels/db/migrations/mysql/000055_create_crt_thread_count_and_unreads.down.sql b/server/channels/db/migrations/mysql/000055_create_crt_thread_count_and_unreads.down.sql
deleted file mode 100644
index 3b0a42951f6..00000000000
--- a/server/channels/db/migrations/mysql/000055_create_crt_thread_count_and_unreads.down.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-CREATE PROCEDURE ClearCRTThreadCountsAndUnreads ()
-BEGIN
-	IF((
-		SELECT
-			COUNT(*) FROM Systems
-		WHERE
-			Name = 'CRTThreadCountsAndUnreadsMigrationComplete') > 0) THEN
-		DELETE FROM Systems
-		WHERE Name = 'CRTThreadCountsAndUnreadsMigrationComplete';
-	END IF;
-END;
-
-CALL ClearCRTThreadCountsAndUnreads ();
-
-DROP PROCEDURE IF EXISTS ClearCRTThreadCountsAndUnreads;
diff --git a/server/channels/db/migrations/mysql/000055_create_crt_thread_count_and_unreads.up.sql b/server/channels/db/migrations/mysql/000055_create_crt_thread_count_and_unreads.up.sql
deleted file mode 100644
index 3377b207231..00000000000
--- a/server/channels/db/migrations/mysql/000055_create_crt_thread_count_and_unreads.up.sql
+++ /dev/null
@@ -1,31 +0,0 @@
-/* fixCRTThreadCountsAndUnreads Marks threads as read for users where the last
-reply time of the thread is earlier than the time the user viewed the channel.
-Marking a thread means setting the mention count to zero and setting the
-last viewed at time of the the thread as the last viewed at time
-of the channel */
-
-CREATE PROCEDURE MigrateCRTThreadCountsAndUnreads ()
-BEGIN
-	IF(SELECT EXISTS(SELECT * FROM Systems WHERE Name = 'CRTThreadCountsAndUnreadsMigrationComplete') = 0) THEN
-		UPDATE
-			ThreadMemberships
-			INNER JOIN (
-				SELECT
-					PostId,
-					UserId,
-					ChannelMembers.LastViewedAt AS CM_LastViewedAt,
-					Threads.LastReplyAt
-				FROM
-					Threads
-					INNER JOIN ChannelMembers ON ChannelMembers.ChannelId = Threads.ChannelId
-				WHERE
-					Threads.LastReplyAt <= ChannelMembers.LastViewedAt) AS q ON ThreadMemberships.Postid = q.PostId
-				AND ThreadMemberships.UserId = q.UserId SET LastViewed = q.CM_LastViewedAt + 1, UnreadMentions = 0, LastUpdated = (
-				SELECT
-					(SELECT ROUND(UNIX_TIMESTAMP(NOW(3))*1000)));
-		INSERT INTO Systems
-			VALUES('CRTThreadCountsAndUnreadsMigrationComplete', 'true');
-	END IF;
-END;
-	CALL MigrateCRTThreadCountsAndUnreads ();
-	DROP PROCEDURE IF EXISTS MigrateCRTThreadCountsAndUnreads;
diff --git a/server/channels/db/migrations/mysql/000056_upgrade_channels_v6.0.down.sql b/server/channels/db/migrations/mysql/000056_upgrade_channels_v6.0.down.sql
deleted file mode 100644
index 0aa0404195f..00000000000
--- a/server/channels/db/migrations/mysql/000056_upgrade_channels_v6.0.down.sql
+++ /dev/null
@@ -1,44 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channels_team_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_channels_team_id ON Channels(TeamId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channels_team_id_type'
-    ) > 0,
-    'DROP INDEX idx_channels_team_id_type ON Channels;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channels_team_id_display_name'
-    ) > 0,
-    'DROP INDEX idx_channels_team_id_display_name ON Channels;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000056_upgrade_channels_v6.0.up.sql b/server/channels/db/migrations/mysql/000056_upgrade_channels_v6.0.up.sql
deleted file mode 100644
index 9f4c39286fb..00000000000
--- a/server/channels/db/migrations/mysql/000056_upgrade_channels_v6.0.up.sql
+++ /dev/null
@@ -1,44 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channels_team_id_display_name'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_channels_team_id_display_name ON Channels(TeamId, DisplayName);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channels_team_id_type'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_channels_team_id_type ON Channels(TeamId, Type);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channels_team_id'
-    ) > 0,
-    'DROP INDEX idx_channels_team_id ON Channels;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000057_upgrade_command_webhooks_v6.0.down.sql b/server/channels/db/migrations/mysql/000057_upgrade_command_webhooks_v6.0.down.sql
deleted file mode 100644
index 1025c1440a8..00000000000
--- a/server/channels/db/migrations/mysql/000057_upgrade_command_webhooks_v6.0.down.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'CommandWebhooks'
-        AND table_schema = DATABASE()
-        AND column_name = 'ParentId'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE CommandWebhooks ADD COLUMN ParentId varchar(26) DEFAULT NULL;'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000057_upgrade_command_webhooks_v6.0.up.sql b/server/channels/db/migrations/mysql/000057_upgrade_command_webhooks_v6.0.up.sql
deleted file mode 100644
index 1f6e9ba3afc..00000000000
--- a/server/channels/db/migrations/mysql/000057_upgrade_command_webhooks_v6.0.up.sql
+++ /dev/null
@@ -1,29 +0,0 @@
-
-CREATE PROCEDURE MigrateRootId_CommandWebhooks () BEGIN DECLARE ParentId_EXIST INT;
-SELECT COUNT(*)
-FROM INFORMATION_SCHEMA.COLUMNS
-WHERE TABLE_NAME = 'CommandWebhooks'
-  AND table_schema = DATABASE()
-  AND COLUMN_NAME = 'ParentId' INTO ParentId_EXIST;
-IF(ParentId_EXIST > 0) THEN
-    UPDATE CommandWebhooks SET RootId = ParentId WHERE RootId = '' AND RootId != ParentId;
-END IF;
-END;
-
-CALL MigrateRootId_CommandWebhooks ();
-DROP PROCEDURE IF EXISTS MigrateRootId_CommandWebhooks;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'CommandWebhooks'
-        AND table_schema = DATABASE()
-        AND column_name = 'ParentId'
-    ) > 0,
-    'ALTER TABLE CommandWebhooks DROP COLUMN ParentId;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000058_upgrade_channelmembers_v6.0.down.sql b/server/channels/db/migrations/mysql/000058_upgrade_channelmembers_v6.0.down.sql
deleted file mode 100644
index fb6e68e3c62..00000000000
--- a/server/channels/db/migrations/mysql/000058_upgrade_channelmembers_v6.0.down.sql
+++ /dev/null
@@ -1,62 +0,0 @@
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channelmembers_channel_id_scheme_guest_user_id'
-    ) > 0,
-    'DROP INDEX idx_channelmembers_channel_id_scheme_guest_user_id ON ChannelMembers;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channelmembers_user_id_channel_id_last_viewed_at'
-    ) > 0,
-    'DROP INDEX idx_channelmembers_user_id_channel_id_last_viewed_at ON ChannelMembers;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channelmembers_user_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_channelmembers_user_id ON ChannelMembers(UserId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'NotifyProps'
-        AND column_type != 'text'
-    ) > 0,
-    'ALTER TABLE ChannelMembers MODIFY COLUMN NotifyProps text;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000058_upgrade_channelmembers_v6.0.up.sql b/server/channels/db/migrations/mysql/000058_upgrade_channelmembers_v6.0.up.sql
deleted file mode 100644
index 12ca6a4c9ad..00000000000
--- a/server/channels/db/migrations/mysql/000058_upgrade_channelmembers_v6.0.up.sql
+++ /dev/null
@@ -1,60 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'NotifyProps'
-        AND column_type != 'JSON'
-    ) > 0,
-    'ALTER TABLE ChannelMembers MODIFY COLUMN NotifyProps JSON;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channelmembers_user_id'
-    ) > 0,
-    'DROP INDEX idx_channelmembers_user_id ON ChannelMembers;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channelmembers_user_id_channel_id_last_viewed_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_channelmembers_user_id_channel_id_last_viewed_at ON ChannelMembers(UserId, ChannelId, LastViewedAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_channelmembers_channel_id_scheme_guest_user_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_channelmembers_channel_id_scheme_guest_user_id ON ChannelMembers(ChannelId, SchemeGuest, UserId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000059_upgrade_users_v6.0.down.sql b/server/channels/db/migrations/mysql/000059_upgrade_users_v6.0.down.sql
deleted file mode 100644
index e1cd41a4545..00000000000
--- a/server/channels/db/migrations/mysql/000059_upgrade_users_v6.0.down.sql
+++ /dev/null
@@ -1,80 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'Roles'
-        AND column_type != 'varchar(256)'
-    ) > 0,
-    'ALTER TABLE Users MODIFY COLUMN Roles varchar(256);',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'Timezone'
-        AND column_type != 'varchar(256)'
-    ) > 0,
-    'ALTER TABLE Users MODIFY COLUMN Timezone varchar(256);',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'Timezone'
-        AND column_type = 'varchar(256)'
-        AND column_default IS NULL
-    ) > 0,
-    'ALTER TABLE Users ALTER Timezone SET DEFAULT \'{"automaticTimezone":"","manualTimezone":"","useAutomaticTimezone":"true"}\';',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'NotifyProps'
-        AND column_type != 'text'
-    ) > 0,
-    'ALTER TABLE Users MODIFY COLUMN NotifyProps text;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'Props'
-        AND column_type != 'text'
-    ) > 0,
-    'ALTER TABLE Users MODIFY COLUMN Props text;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000059_upgrade_users_v6.0.up.sql b/server/channels/db/migrations/mysql/000059_upgrade_users_v6.0.up.sql
deleted file mode 100644
index a4aafac898c..00000000000
--- a/server/channels/db/migrations/mysql/000059_upgrade_users_v6.0.up.sql
+++ /dev/null
@@ -1,79 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'Props'
-        AND column_type != 'JSON'
-    ) > 0,
-    'ALTER TABLE Users MODIFY COLUMN Props JSON;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'NotifyProps'
-        AND column_type != 'JSON'
-    ) > 0,
-    'ALTER TABLE Users MODIFY COLUMN NotifyProps JSON;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'Timezone'
-        AND column_default IS NOT NULL
-    ) > 0,
-    'ALTER TABLE Users ALTER Timezone DROP DEFAULT;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'Timezone'
-        AND column_type != 'JSON'
-    ) > 0,
-    'ALTER TABLE Users MODIFY COLUMN Timezone JSON;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'Roles'
-        AND column_type != 'text'
-    ) > 0,
-    'ALTER TABLE Users MODIFY COLUMN Roles text;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000060_upgrade_jobs_v6.0.down.sql b/server/channels/db/migrations/mysql/000060_upgrade_jobs_v6.0.down.sql
deleted file mode 100644
index 34bcf8011da..00000000000
--- a/server/channels/db/migrations/mysql/000060_upgrade_jobs_v6.0.down.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Jobs'
-        AND table_schema = DATABASE()
-        AND column_name = 'Data'
-        AND column_type != 'text'
-    ) > 0,
-    'ALTER TABLE Jobs MODIFY COLUMN Data text;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000060_upgrade_jobs_v6.0.up.sql b/server/channels/db/migrations/mysql/000060_upgrade_jobs_v6.0.up.sql
deleted file mode 100644
index f7b7042915c..00000000000
--- a/server/channels/db/migrations/mysql/000060_upgrade_jobs_v6.0.up.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Jobs'
-        AND table_schema = DATABASE()
-        AND column_name = 'Data'
-        AND column_type != 'JSON'
-    ) > 0,
-    'ALTER TABLE Jobs MODIFY COLUMN Data JSON;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
diff --git a/server/channels/db/migrations/mysql/000061_upgrade_link_metadata_v6.0.down.sql b/server/channels/db/migrations/mysql/000061_upgrade_link_metadata_v6.0.down.sql
deleted file mode 100644
index 4f3db5e1f51..00000000000
--- a/server/channels/db/migrations/mysql/000061_upgrade_link_metadata_v6.0.down.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'LinkMetadata'
-        AND table_schema = DATABASE()
-        AND column_name = 'Data'
-        AND column_type != 'text'
-    ) > 0,
-    'ALTER TABLE LinkMetadata MODIFY COLUMN Data text;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000061_upgrade_link_metadata_v6.0.up.sql b/server/channels/db/migrations/mysql/000061_upgrade_link_metadata_v6.0.up.sql
deleted file mode 100644
index 926867e0d43..00000000000
--- a/server/channels/db/migrations/mysql/000061_upgrade_link_metadata_v6.0.up.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'LinkMetadata'
-        AND table_schema = DATABASE()
-        AND column_name = 'Data'
-        AND column_type != 'JSON'
-    ) > 0,
-    'ALTER TABLE LinkMetadata MODIFY COLUMN Data JSON;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000062_upgrade_sessions_v6.0.down.sql b/server/channels/db/migrations/mysql/000062_upgrade_sessions_v6.0.down.sql
deleted file mode 100644
index 489dba0caa2..00000000000
--- a/server/channels/db/migrations/mysql/000062_upgrade_sessions_v6.0.down.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Sessions'
-        AND table_schema = DATABASE()
-        AND column_name = 'Props'
-        AND column_type != 'text'
-    ) > 0,
-    'ALTER TABLE Sessions MODIFY COLUMN Props text;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000062_upgrade_sessions_v6.0.up.sql b/server/channels/db/migrations/mysql/000062_upgrade_sessions_v6.0.up.sql
deleted file mode 100644
index 0c7dce81451..00000000000
--- a/server/channels/db/migrations/mysql/000062_upgrade_sessions_v6.0.up.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Sessions'
-        AND table_schema = DATABASE()
-        AND column_name = 'Props'
-        AND column_type != 'JSON'
-    ) > 0,
-    'ALTER TABLE Sessions MODIFY COLUMN Props JSON;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
diff --git a/server/channels/db/migrations/mysql/000063_upgrade_threads_v6.0.down.sql b/server/channels/db/migrations/mysql/000063_upgrade_threads_v6.0.down.sql
deleted file mode 100644
index ea3f67dbff7..00000000000
--- a/server/channels/db/migrations/mysql/000063_upgrade_threads_v6.0.down.sql
+++ /dev/null
@@ -1,45 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Threads'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_threads_channel_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_threads_channel_id ON Threads(ChannelId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Threads'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_threads_channel_id_last_reply_at'
-    ) > 0,
-    'DROP INDEX idx_threads_channel_id_last_reply_at ON Threads;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Threads'
-        AND table_schema = DATABASE()
-        AND column_name = 'Participants'
-        AND column_type != 'text'
-    ) > 0,
-    'ALTER TABLE Threads MODIFY COLUMN Participants text;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000063_upgrade_threads_v6.0.up.sql b/server/channels/db/migrations/mysql/000063_upgrade_threads_v6.0.up.sql
deleted file mode 100644
index 1d35787e397..00000000000
--- a/server/channels/db/migrations/mysql/000063_upgrade_threads_v6.0.up.sql
+++ /dev/null
@@ -1,45 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Threads'
-        AND table_schema = DATABASE()
-        AND column_name = 'Participants'
-        AND column_type != 'JSON'
-    ) > 0,
-    'ALTER TABLE Threads MODIFY COLUMN Participants JSON;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Threads'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_threads_channel_id_last_reply_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_threads_channel_id_last_reply_at ON Threads(ChannelId, LastReplyAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Threads'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_threads_channel_id'
-    ) > 0,
-    'DROP INDEX idx_threads_channel_id ON Threads;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000064_upgrade_status_v6.0.down.sql b/server/channels/db/migrations/mysql/000064_upgrade_status_v6.0.down.sql
deleted file mode 100644
index 3d24755b1de..00000000000
--- a/server/channels/db/migrations/mysql/000064_upgrade_status_v6.0.down.sql
+++ /dev/null
@@ -1,29 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Status'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_status_status'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_status_status ON Status(Status);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Status'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_status_status_dndendtime'
-    ) > 0,
-    'DROP INDEX idx_status_status_dndendtime ON Status;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000064_upgrade_status_v6.0.up.sql b/server/channels/db/migrations/mysql/000064_upgrade_status_v6.0.up.sql
deleted file mode 100644
index 2b6d34e7a29..00000000000
--- a/server/channels/db/migrations/mysql/000064_upgrade_status_v6.0.up.sql
+++ /dev/null
@@ -1,29 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Status'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_status_status_dndendtime'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_status_status_dndendtime ON Status(Status, DNDEndTime);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Status'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_status_status'
-    ) > 0,
-    'DROP INDEX idx_status_status ON Status;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000065_upgrade_groupchannels_v6.0.down.sql b/server/channels/db/migrations/mysql/000065_upgrade_groupchannels_v6.0.down.sql
deleted file mode 100644
index 4717e8e07e9..00000000000
--- a/server/channels/db/migrations/mysql/000065_upgrade_groupchannels_v6.0.down.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'GroupChannels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_groupchannels_schemeadmin'
-    ) > 0,
-    'DROP INDEX idx_groupchannels_schemeadmin ON GroupChannels;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000065_upgrade_groupchannels_v6.0.up.sql b/server/channels/db/migrations/mysql/000065_upgrade_groupchannels_v6.0.up.sql
deleted file mode 100644
index 3230eedc2a9..00000000000
--- a/server/channels/db/migrations/mysql/000065_upgrade_groupchannels_v6.0.up.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'GroupChannels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_groupchannels_schemeadmin'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_groupchannels_schemeadmin ON GroupChannels(SchemeAdmin);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000066_upgrade_posts_v6.0.down.sql b/server/channels/db/migrations/mysql/000066_upgrade_posts_v6.0.down.sql
deleted file mode 100644
index 56e7f947f6a..00000000000
--- a/server/channels/db/migrations/mysql/000066_upgrade_posts_v6.0.down.sql
+++ /dev/null
@@ -1,77 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_posts_root_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_posts_root_id ON Posts(RootId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_posts_root_id_delete_at'
-    ) > 0,
-    'DROP INDEX idx_posts_root_id_delete_at ON Posts;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND column_name = 'Props'
-        AND column_type != 'text'
-    ) > 0,
-    'ALTER TABLE Posts MODIFY COLUMN Props text;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND column_name = 'FileIds'
-        AND column_type != 'text'
-    ) > 0,
-    'ALTER TABLE Posts MODIFY COLUMN FileIds text;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND column_name = 'ParentId'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Posts ADD COLUMN ParentId varchar(26) DEFAULT NULL;'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000066_upgrade_posts_v6.0.up.sql b/server/channels/db/migrations/mysql/000066_upgrade_posts_v6.0.up.sql
deleted file mode 100644
index c9ec6bc0f7e..00000000000
--- a/server/channels/db/migrations/mysql/000066_upgrade_posts_v6.0.up.sql
+++ /dev/null
@@ -1,61 +0,0 @@
-CREATE PROCEDURE MigrateRootId_Posts ()
-BEGIN
-DECLARE ParentId_EXIST INT;
-DECLARE Alter_FileIds INT;
-DECLARE Alter_Props INT;
-SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-WHERE TABLE_NAME = 'Posts'
-  AND table_schema = DATABASE()
-  AND COLUMN_NAME = 'ParentId' INTO ParentId_EXIST;
-SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-  WHERE table_name = 'Posts'
-  AND table_schema = DATABASE()
-  AND column_name = 'FileIds'
-  AND column_type != 'text' INTO Alter_FileIds;
-SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-  WHERE table_name = 'Posts'
-  AND table_schema = DATABASE()
-  AND column_name = 'Props'
-  AND column_type != 'JSON' INTO Alter_Props;
-IF (Alter_Props OR Alter_FileIds) THEN
-	IF(ParentId_EXIST > 0) THEN
-		UPDATE Posts SET RootId = ParentId WHERE RootId = '' AND RootId != ParentId;
-		ALTER TABLE Posts MODIFY COLUMN FileIds text, MODIFY COLUMN Props JSON, DROP COLUMN ParentId;
-	ELSE
-		ALTER TABLE Posts MODIFY COLUMN FileIds text, MODIFY COLUMN Props JSON;
-	END IF;
-END IF;
-END;
-
-CALL MigrateRootId_Posts ();
-DROP PROCEDURE IF EXISTS MigrateRootId_Posts;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_posts_root_id_delete_at'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_posts_root_id_delete_at ON Posts(RootId, DeleteAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_posts_root_id'
-    ) > 0,
-    'DROP INDEX idx_posts_root_id ON Posts;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000067_upgrade_channelmembers_v6.1.down.sql b/server/channels/db/migrations/mysql/000067_upgrade_channelmembers_v6.1.down.sql
deleted file mode 100644
index c6abda2a749..00000000000
--- a/server/channels/db/migrations/mysql/000067_upgrade_channelmembers_v6.1.down.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'Roles'
-        AND column_type != 'varchar(64)'
-    ) > 0,
-    'ALTER TABLE ChannelMembers MODIFY COLUMN Roles varchar(64);',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000067_upgrade_channelmembers_v6.1.up.sql b/server/channels/db/migrations/mysql/000067_upgrade_channelmembers_v6.1.up.sql
deleted file mode 100644
index 2e254fb002a..00000000000
--- a/server/channels/db/migrations/mysql/000067_upgrade_channelmembers_v6.1.up.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'Roles'
-        AND column_type != 'text'
-    ) > 0,
-    'ALTER TABLE ChannelMembers MODIFY COLUMN Roles text;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000068_upgrade_teammembers_v6.1.down.sql b/server/channels/db/migrations/mysql/000068_upgrade_teammembers_v6.1.down.sql
deleted file mode 100644
index 424e19c6b78..00000000000
--- a/server/channels/db/migrations/mysql/000068_upgrade_teammembers_v6.1.down.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'TeamMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'Roles'
-        AND column_type != 'varchar(64)'
-    ) > 0,
-    'ALTER TABLE TeamMembers MODIFY COLUMN Roles varchar(64);',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000068_upgrade_teammembers_v6.1.up.sql b/server/channels/db/migrations/mysql/000068_upgrade_teammembers_v6.1.up.sql
deleted file mode 100644
index 54451b0bdfd..00000000000
--- a/server/channels/db/migrations/mysql/000068_upgrade_teammembers_v6.1.up.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'TeamMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'Roles'
-        AND column_type != 'text'
-    ) > 0,
-    'ALTER TABLE TeamMembers MODIFY COLUMN Roles text;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000069_upgrade_jobs_v6.1.down.sql b/server/channels/db/migrations/mysql/000069_upgrade_jobs_v6.1.down.sql
deleted file mode 100644
index 5a261eef284..00000000000
--- a/server/channels/db/migrations/mysql/000069_upgrade_jobs_v6.1.down.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Jobs'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_jobs_status_type'
-    ) > 0,
-    'DROP INDEX idx_jobs_status_type ON Jobs;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000069_upgrade_jobs_v6.1.up.sql b/server/channels/db/migrations/mysql/000069_upgrade_jobs_v6.1.up.sql
deleted file mode 100644
index 2442590f3cf..00000000000
--- a/server/channels/db/migrations/mysql/000069_upgrade_jobs_v6.1.up.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Jobs'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_jobs_status_type'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_jobs_status_type ON Jobs(Status, Type);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000070_upgrade_cte_v6.1.down.sql b/server/channels/db/migrations/mysql/000070_upgrade_cte_v6.1.down.sql
deleted file mode 100644
index 5b5ad428db2..00000000000
--- a/server/channels/db/migrations/mysql/000070_upgrade_cte_v6.1.down.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND column_name = 'LastRootPostAt'
-    ) > 0,
-    'ALTER TABLE Channels DROP COLUMN LastRootPostAt;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000070_upgrade_cte_v6.1.up.sql b/server/channels/db/migrations/mysql/000070_upgrade_cte_v6.1.up.sql
deleted file mode 100644
index 85661cd44a5..00000000000
--- a/server/channels/db/migrations/mysql/000070_upgrade_cte_v6.1.up.sql
+++ /dev/null
@@ -1,31 +0,0 @@
-CREATE PROCEDURE Migrate_LastRootPostAt ()
-BEGIN
-DECLARE
-	LastRootPostAt_EXIST INT;
-	SELECT
-		COUNT(*)
-	FROM
-		INFORMATION_SCHEMA.COLUMNS
-	WHERE
-		TABLE_NAME = 'Channels'
-		AND table_schema = DATABASE()
-		AND COLUMN_NAME = 'LastRootPostAt' INTO LastRootPostAt_EXIST;
-	IF(LastRootPostAt_EXIST = 0) THEN
-        ALTER TABLE Channels ADD COLUMN LastRootPostAt bigint DEFAULT 0;
-		UPDATE
-			Channels
-			INNER JOIN (
-				SELECT
-					Channels.Id channelid,
-					COALESCE(MAX(Posts.CreateAt), 0) AS lastrootpost
-				FROM
-					Channels
-					LEFT JOIN Posts FORCE INDEX (idx_posts_channel_id_update_at) ON Channels.Id = Posts.ChannelId
-				WHERE
-					Posts.RootId = ''
-				GROUP BY
-					Channels.Id) AS q ON q.channelid = Channels.Id SET LastRootPostAt = lastrootpost;
-	END IF;
-END;
-	CALL Migrate_LastRootPostAt ();
-	DROP PROCEDURE IF EXISTS Migrate_LastRootPostAt;
diff --git a/server/channels/db/migrations/mysql/000071_upgrade_sessions_v6.1.down.sql b/server/channels/db/migrations/mysql/000071_upgrade_sessions_v6.1.down.sql
deleted file mode 100644
index a8386eefc56..00000000000
--- a/server/channels/db/migrations/mysql/000071_upgrade_sessions_v6.1.down.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Sessions'
-        AND table_schema = DATABASE()
-        AND column_name = 'Roles'
-        AND column_type != 'varchar(64)'
-    ) > 0,
-    'ALTER TABLE Sessions MODIFY COLUMN Roles varchar(64);',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000071_upgrade_sessions_v6.1.up.sql b/server/channels/db/migrations/mysql/000071_upgrade_sessions_v6.1.up.sql
deleted file mode 100644
index edae5116d6f..00000000000
--- a/server/channels/db/migrations/mysql/000071_upgrade_sessions_v6.1.up.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Sessions'
-        AND table_schema = DATABASE()
-        AND column_name = 'Roles'
-        AND column_type != 'text'
-    ) > 0,
-    'ALTER TABLE Sessions MODIFY COLUMN Roles text;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000072_upgrade_schemes_v6.3.down.sql b/server/channels/db/migrations/mysql/000072_upgrade_schemes_v6.3.down.sql
deleted file mode 100644
index 82340428b33..00000000000
--- a/server/channels/db/migrations/mysql/000072_upgrade_schemes_v6.3.down.sql
+++ /dev/null
@@ -1,59 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Schemes'
-        AND table_schema = DATABASE()
-        AND column_name = 'DefaultRunMemberRole'
-    ) > 0,
-    'ALTER TABLE Schemes DROP COLUMN DefaultRunMemberRole;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Schemes'
-        AND table_schema = DATABASE()
-        AND column_name = 'DefaultRunAdminRole'
-    ) > 0,
-    'ALTER TABLE Schemes DROP COLUMN DefaultRunAdminRole;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Schemes'
-        AND table_schema = DATABASE()
-        AND column_name = 'DefaultPlaybookMemberRole'
-    ) > 0,
-    'ALTER TABLE Schemes DROP COLUMN DefaultPlaybookMemberRole;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Schemes'
-        AND table_schema = DATABASE()
-        AND column_name = 'DefaultPlaybookAdminRole'
-    ) > 0,
-    'ALTER TABLE Schemes DROP COLUMN DefaultPlaybookAdminRole;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000072_upgrade_schemes_v6.3.up.sql b/server/channels/db/migrations/mysql/000072_upgrade_schemes_v6.3.up.sql
deleted file mode 100644
index 6bc727a332d..00000000000
--- a/server/channels/db/migrations/mysql/000072_upgrade_schemes_v6.3.up.sql
+++ /dev/null
@@ -1,59 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Schemes'
-        AND table_schema = DATABASE()
-        AND column_name = 'DefaultPlaybookAdminRole'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Schemes ADD COLUMN DefaultPlaybookAdminRole VARCHAR(64) DEFAULT "";'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Schemes'
-        AND table_schema = DATABASE()
-        AND column_name = 'DefaultPlaybookMemberRole'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Schemes ADD COLUMN DefaultPlaybookMemberRole VARCHAR(64) DEFAULT "";'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Schemes'
-        AND table_schema = DATABASE()
-        AND column_name = 'DefaultRunAdminRole'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Schemes ADD COLUMN DefaultRunAdminRole VARCHAR(64) DEFAULT "";'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Schemes'
-        AND table_schema = DATABASE()
-        AND column_name = 'DefaultRunMemberRole'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Schemes ADD COLUMN DefaultRunMemberRole VARCHAR(64) DEFAULT "";'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000073_upgrade_plugin_key_value_store_v6.3.down.sql b/server/channels/db/migrations/mysql/000073_upgrade_plugin_key_value_store_v6.3.down.sql
deleted file mode 100644
index 880e5d202a0..00000000000
--- a/server/channels/db/migrations/mysql/000073_upgrade_plugin_key_value_store_v6.3.down.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT Count(*) FROM Information_Schema.Columns
-        WHERE table_name = 'PluginKeyValueStore'
-        AND table_schema = DATABASE()
-        AND column_name = 'PKey'
-        AND column_type != 'varchar(50)'
-    ) > 0,
-    'ALTER TABLE PluginKeyValueStore MODIFY COLUMN PKey varchar(50);',
-    'SELECT 1'
-));
-
-PREPARE alterTypeIfExists FROM @preparedStatement;
-EXECUTE alterTypeIfExists;
-DEALLOCATE PREPARE alterTypeIfExists;
diff --git a/server/channels/db/migrations/mysql/000073_upgrade_plugin_key_value_store_v6.3.up.sql b/server/channels/db/migrations/mysql/000073_upgrade_plugin_key_value_store_v6.3.up.sql
deleted file mode 100644
index 0a1b70d7292..00000000000
--- a/server/channels/db/migrations/mysql/000073_upgrade_plugin_key_value_store_v6.3.up.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT Count(*) FROM Information_Schema.Columns
-        WHERE table_name = 'PluginKeyValueStore'
-        AND table_schema = DATABASE()
-        AND column_name = 'PKey'
-        AND column_type != 'varchar(150)'
-    ) > 0,
-    'ALTER TABLE PluginKeyValueStore MODIFY COLUMN PKey varchar(150);',
-    'SELECT 1'
-));
-
-PREPARE alterTypeIfExists FROM @preparedStatement;
-EXECUTE alterTypeIfExists;
-DEALLOCATE PREPARE alterTypeIfExists;
diff --git a/server/channels/db/migrations/mysql/000074_upgrade_users_v6.3.down.sql b/server/channels/db/migrations/mysql/000074_upgrade_users_v6.3.down.sql
deleted file mode 100644
index 849dc1d1c1f..00000000000
--- a/server/channels/db/migrations/mysql/000074_upgrade_users_v6.3.down.sql
+++ /dev/null
@@ -1 +0,0 @@
--- It is intentionally to not have rollback for removing AcceptedTermsOfServiceId column.
diff --git a/server/channels/db/migrations/mysql/000074_upgrade_users_v6.3.up.sql b/server/channels/db/migrations/mysql/000074_upgrade_users_v6.3.up.sql
deleted file mode 100644
index 7cd02d95950..00000000000
--- a/server/channels/db/migrations/mysql/000074_upgrade_users_v6.3.up.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'AcceptedTermsOfServiceId'
-    ) > 0,
-    'ALTER TABLE Users DROP COLUMN AcceptedTermsOfServiceId;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000075_alter_upload_sessions_index.down.sql b/server/channels/db/migrations/mysql/000075_alter_upload_sessions_index.down.sql
deleted file mode 100644
index da4987c5ec5..00000000000
--- a/server/channels/db/migrations/mysql/000075_alter_upload_sessions_index.down.sql
+++ /dev/null
@@ -1,20 +0,0 @@
-CREATE PROCEDURE AlterIndex()
-BEGIN
-    DECLARE columnName varchar(26) default '';
-
-    SELECT IFNULL(GROUP_CONCAT(column_name ORDER BY seq_in_index), '') INTO columnName
-    FROM information_schema.statistics
-    WHERE table_schema = DATABASE()
-    AND table_name = 'UploadSessions'
-    AND index_name = 'idx_uploadsessions_user_id'
-    GROUP BY index_name;
-
-    IF columnName = 'UserId' THEN
-        DROP INDEX idx_uploadsessions_user_id ON UploadSessions;
-        CREATE INDEX idx_uploadsessions_user_id ON UploadSessions(Type);
-    END IF;
-END;
-
-CALL AlterIndex();
-
-DROP PROCEDURE IF EXISTS AlterIndex;
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000075_alter_upload_sessions_index.up.sql b/server/channels/db/migrations/mysql/000075_alter_upload_sessions_index.up.sql
deleted file mode 100644
index c5729912b98..00000000000
--- a/server/channels/db/migrations/mysql/000075_alter_upload_sessions_index.up.sql
+++ /dev/null
@@ -1,20 +0,0 @@
-CREATE PROCEDURE AlterIndex()
-BEGIN
-    DECLARE columnName varchar(26) default '';
-
-    SELECT IFNULL(GROUP_CONCAT(column_name ORDER BY seq_in_index), '') INTO columnName
-    FROM information_schema.statistics
-    WHERE table_schema = DATABASE()
-    AND table_name = 'UploadSessions'
-    AND index_name = 'idx_uploadsessions_user_id'
-    GROUP BY index_name;
-
-    IF columnName = 'Type' THEN
-        DROP INDEX idx_uploadsessions_user_id ON UploadSessions;
-        CREATE INDEX idx_uploadsessions_user_id ON UploadSessions(UserId);
-    END IF;
-END;
-
-CALL AlterIndex();
-
-DROP PROCEDURE IF EXISTS AlterIndex;
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000076_upgrade_lastrootpostat.down.sql b/server/channels/db/migrations/mysql/000076_upgrade_lastrootpostat.down.sql
deleted file mode 100644
index 5d99db8cecf..00000000000
--- a/server/channels/db/migrations/mysql/000076_upgrade_lastrootpostat.down.sql
+++ /dev/null
@@ -1 +0,0 @@
--- no need to change anything since it's covered in 000070_upgrade_cte_v6.1.down.sql
diff --git a/server/channels/db/migrations/mysql/000076_upgrade_lastrootpostat.up.sql b/server/channels/db/migrations/mysql/000076_upgrade_lastrootpostat.up.sql
deleted file mode 100644
index f52c950a732..00000000000
--- a/server/channels/db/migrations/mysql/000076_upgrade_lastrootpostat.up.sql
+++ /dev/null
@@ -1,47 +0,0 @@
-CREATE PROCEDURE Migrate_LastRootPostAt_Default ()
-BEGIN
-	IF (
-			SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-			WHERE TABLE_NAME = 'Channels'
-			AND TABLE_SCHEMA = DATABASE()
-			AND COLUMN_NAME = 'LastRootPostAt'
-			AND (COLUMN_DEFAULT IS NULL OR COLUMN_DEFAULT != 0)
-		) = 1 THEN
-		ALTER TABLE Channels ALTER COLUMN LastRootPostAt SET DEFAULT 0;
-	END IF;
-END;
-	CALL Migrate_LastRootPostAt_Default ();
-	DROP PROCEDURE IF EXISTS Migrate_LastRootPostAt_Default;
-
-CREATE PROCEDURE Migrate_LastRootPostAt_Fix ()
-BEGIN
-	IF (
-		SELECT COUNT(*)
-		FROM Channels
-		WHERE LastRootPostAt IS NULL
-	) > 0 THEN
-	-- fixes migrate cte and sets the LastRootPostAt for channels that don't have it set
-		UPDATE
-			Channels
-			INNER JOIN (
-				SELECT
-					Channels.Id channelid,
-					COALESCE(MAX(Posts.CreateAt), 0) AS lastrootpost
-				FROM
-					Channels
-					LEFT JOIN Posts FORCE INDEX (idx_posts_channel_id_update_at) ON Channels.Id = Posts.ChannelId
-				WHERE
-					Posts.RootId = ''
-				GROUP BY
-					Channels.Id) AS q ON q.channelid = Channels.Id
-				SET
-					LastRootPostAt = lastrootpost
-				WHERE
-					LastRootPostAt IS NULL;
-
-		-- sets LastRootPostAt to 0, for channels with no posts
-		UPDATE Channels SET LastRootPostAt=0 WHERE LastRootPostAt IS NULL;
-	END IF;
-END;
-	CALL Migrate_LastRootPostAt_Fix ();
-	DROP PROCEDURE IF EXISTS Migrate_LastRootPostAt_Fix;
diff --git a/server/channels/db/migrations/mysql/000077_upgrade_users_v6.5.down.sql b/server/channels/db/migrations/mysql/000077_upgrade_users_v6.5.down.sql
deleted file mode 100644
index d831a37618d..00000000000
--- a/server/channels/db/migrations/mysql/000077_upgrade_users_v6.5.down.sql
+++ /dev/null
@@ -1 +0,0 @@
--- It is intentionally to not have rollback for removing AcceptedServiceTermsId column.
diff --git a/server/channels/db/migrations/mysql/000077_upgrade_users_v6.5.up.sql b/server/channels/db/migrations/mysql/000077_upgrade_users_v6.5.up.sql
deleted file mode 100644
index 104c9a30b06..00000000000
--- a/server/channels/db/migrations/mysql/000077_upgrade_users_v6.5.up.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'AcceptedServiceTermsId'
-    ) > 0,
-    'ALTER TABLE Users DROP COLUMN AcceptedServiceTermsId;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000078_create_oauth_mattermost_app_id.down.sql b/server/channels/db/migrations/mysql/000078_create_oauth_mattermost_app_id.down.sql
deleted file mode 100644
index 0aaaaa3a496..00000000000
--- a/server/channels/db/migrations/mysql/000078_create_oauth_mattermost_app_id.down.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OAuthApps'
-        AND table_schema = DATABASE()
-        AND column_name = 'MattermostAppID'
-    ) > 0,
-    'ALTER TABLE OAuthApps DROP COLUMN MattermostAppID;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000078_create_oauth_mattermost_app_id.up.sql b/server/channels/db/migrations/mysql/000078_create_oauth_mattermost_app_id.up.sql
deleted file mode 100644
index 5e68967e856..00000000000
--- a/server/channels/db/migrations/mysql/000078_create_oauth_mattermost_app_id.up.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OAuthApps'
-        AND table_schema = DATABASE()
-        AND column_name = 'MattermostAppID'
-    ) > 0,
-	'SELECT 1',
-    'ALTER TABLE OAuthApps ADD COLUMN MattermostAppID varchar(32);'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000079_usergroups_displayname_index.down.sql b/server/channels/db/migrations/mysql/000079_usergroups_displayname_index.down.sql
deleted file mode 100644
index 7a008b06318..00000000000
--- a/server/channels/db/migrations/mysql/000079_usergroups_displayname_index.down.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'UserGroups'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_usergroups_displayname'
-    ) > 0,
-    'DROP INDEX idx_usergroups_displayname ON UserGroups;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000079_usergroups_displayname_index.up.sql b/server/channels/db/migrations/mysql/000079_usergroups_displayname_index.up.sql
deleted file mode 100644
index 55680f8d059..00000000000
--- a/server/channels/db/migrations/mysql/000079_usergroups_displayname_index.up.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'UserGroups'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_usergroups_displayname'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_usergroups_displayname ON UserGroups(DisplayName);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000080_posts_createat_id.down.sql b/server/channels/db/migrations/mysql/000080_posts_createat_id.down.sql
deleted file mode 100644
index 214e53c5d3f..00000000000
--- a/server/channels/db/migrations/mysql/000080_posts_createat_id.down.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_posts_create_at_id'
-    ) > 0,
-    'DROP INDEX idx_posts_create_at_id on Posts;',
-    'SELECT 1;'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000080_posts_createat_id.up.sql b/server/channels/db/migrations/mysql/000080_posts_createat_id.up.sql
deleted file mode 100644
index 3548dd1b7b7..00000000000
--- a/server/channels/db/migrations/mysql/000080_posts_createat_id.up.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_posts_create_at_id'
-    ) > 0,
-    'SELECT 1;',
-    'CREATE INDEX idx_posts_create_at_id on Posts(CreateAt, Id) LOCK=NONE;'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000081_threads_deleteat.down.sql b/server/channels/db/migrations/mysql/000081_threads_deleteat.down.sql
deleted file mode 100644
index cacb45cb5aa..00000000000
--- a/server/channels/db/migrations/mysql/000081_threads_deleteat.down.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Replaced by 000083_threads_threaddeleteat.down.sql
diff --git a/server/channels/db/migrations/mysql/000081_threads_deleteat.up.sql b/server/channels/db/migrations/mysql/000081_threads_deleteat.up.sql
deleted file mode 100644
index ceeffcc0785..00000000000
--- a/server/channels/db/migrations/mysql/000081_threads_deleteat.up.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Replaced by 000083_threads_threaddeleteat.up.sql
diff --git a/server/channels/db/migrations/mysql/000082_upgrade_oauth_mattermost_app_id.down.sql b/server/channels/db/migrations/mysql/000082_upgrade_oauth_mattermost_app_id.down.sql
deleted file mode 100644
index 981177557c6..00000000000
--- a/server/channels/db/migrations/mysql/000082_upgrade_oauth_mattermost_app_id.down.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OAuthApps'
-        AND table_schema = DATABASE()
-        AND column_name = 'MattermostAppID'
-    ) > 0,
-    'ALTER TABLE OAuthApps MODIFY MattermostAppID varchar(32);',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000082_upgrade_oauth_mattermost_app_id.up.sql b/server/channels/db/migrations/mysql/000082_upgrade_oauth_mattermost_app_id.up.sql
deleted file mode 100644
index aa65f0de26a..00000000000
--- a/server/channels/db/migrations/mysql/000082_upgrade_oauth_mattermost_app_id.up.sql
+++ /dev/null
@@ -1,29 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OAuthApps'
-        AND table_schema = DATABASE()
-        AND column_name = 'MattermostAppID'
-    ) > 0,
-    'UPDATE OAuthApps SET MattermostAppID = "" WHERE MattermostAppID IS NULL;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'OAuthApps'
-        AND table_schema = DATABASE()
-        AND column_name = 'MattermostAppID'
-    ) > 0,
-    'ALTER TABLE OAuthApps MODIFY MattermostAppID varchar(32) NOT NULL DEFAULT "";',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000083_threads_threaddeleteat.down.sql b/server/channels/db/migrations/mysql/000083_threads_threaddeleteat.down.sql
deleted file mode 100644
index 0068929f065..00000000000
--- a/server/channels/db/migrations/mysql/000083_threads_threaddeleteat.down.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Threads'
-        AND table_schema = DATABASE()
-        AND column_name = 'ThreadDeleteAt'
-    ) > 0,
-    'ALTER TABLE Threads DROP COLUMN ThreadDeleteAt;',
-    'SELECT 1;'
-));
-
-PREPARE removeColumnIfExists FROM @preparedStatement;
-EXECUTE removeColumnIfExists;
-DEALLOCATE PREPARE removeColumnIfExists;
diff --git a/server/channels/db/migrations/mysql/000083_threads_threaddeleteat.up.sql b/server/channels/db/migrations/mysql/000083_threads_threaddeleteat.up.sql
deleted file mode 100644
index 5c2bc73f0b7..00000000000
--- a/server/channels/db/migrations/mysql/000083_threads_threaddeleteat.up.sql
+++ /dev/null
@@ -1,35 +0,0 @@
--- Drop any existing DeleteAt column from 000081_threads_deleteat.up.sql
-SET @preparedStatement = (SELECT IF(
-    EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Threads'
-        AND table_schema = DATABASE()
-        AND column_name = 'DeleteAt'
-    ) > 0,
-    'ALTER TABLE Threads DROP COLUMN DeleteAt;',
-    'SELECT 1;'
-));
-
-PREPARE removeColumnIfExists FROM @preparedStatement;
-EXECUTE removeColumnIfExists;
-DEALLOCATE PREPARE removeColumnIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    NOT EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Threads'
-        AND table_schema = DATABASE()
-        AND column_name = 'ThreadDeleteAt'
-    ),
-    'ALTER TABLE Threads ADD COLUMN ThreadDeleteAt bigint(20);',
-    'SELECT 1;'
-));
-
-PREPARE addColumnIfNotExists FROM @preparedStatement;
-EXECUTE addColumnIfNotExists;
-DEALLOCATE PREPARE addColumnIfNotExists;
-
-UPDATE Threads, Posts
-SET Threads.ThreadDeleteAt = Posts.DeleteAt
-WHERE Posts.Id = Threads.PostId
-AND Threads.ThreadDeleteAt IS NULL;
diff --git a/server/channels/db/migrations/mysql/000084_recent_searches.down.sql b/server/channels/db/migrations/mysql/000084_recent_searches.down.sql
deleted file mode 100644
index 270536b5dd5..00000000000
--- a/server/channels/db/migrations/mysql/000084_recent_searches.down.sql
+++ /dev/null
@@ -1,2 +0,0 @@
--- This table is unused, and will be dropped in a future ESR.
-DROP TABLE IF EXISTS RecentSearches;
diff --git a/server/channels/db/migrations/mysql/000084_recent_searches.up.sql b/server/channels/db/migrations/mysql/000084_recent_searches.up.sql
deleted file mode 100644
index 34c70d4f0ab..00000000000
--- a/server/channels/db/migrations/mysql/000084_recent_searches.up.sql
+++ /dev/null
@@ -1,8 +0,0 @@
--- This table is unused, and will be dropped in a future ESR.
-CREATE TABLE IF NOT EXISTS RecentSearches (
-    UserId CHAR(26),
-    SearchPointer int,
-    Query json,
-    CreateAt bigint NOT NULL,
-    PRIMARY KEY (UserId, SearchPointer)
-);
diff --git a/server/channels/db/migrations/mysql/000085_fileinfo_add_archived_column.down.sql b/server/channels/db/migrations/mysql/000085_fileinfo_add_archived_column.down.sql
deleted file mode 100644
index 9ac9b2a9a2a..00000000000
--- a/server/channels/db/migrations/mysql/000085_fileinfo_add_archived_column.down.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'FileInfo'
-        AND table_schema = DATABASE()
-        AND column_name = 'Archived'
-    ) > 0,
-    'ALTER TABLE FileInfo DROP COLUMN Archived;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000085_fileinfo_add_archived_column.up.sql b/server/channels/db/migrations/mysql/000085_fileinfo_add_archived_column.up.sql
deleted file mode 100644
index 0b86090af36..00000000000
--- a/server/channels/db/migrations/mysql/000085_fileinfo_add_archived_column.up.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'FileInfo'
-        AND table_schema = DATABASE()
-        AND column_name = 'Archived'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE FileInfo ADD COLUMN Archived boolean NOT NULL DEFAULT false;'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000086_add_cloud_limits_archived.down.sql b/server/channels/db/migrations/mysql/000086_add_cloud_limits_archived.down.sql
deleted file mode 100644
index f3f646a1b13..00000000000
--- a/server/channels/db/migrations/mysql/000086_add_cloud_limits_archived.down.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-	EXISTS (
-		SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
-		WHERE table_name = 'Teams'
-		AND table_schema = DATABASE()
-		AND column_name = 'CloudLimitsArchived'
-	),
-	'ALTER TABLE Teams DROP COLUMN CloudLimitsArchived;',
-	'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000086_add_cloud_limits_archived.up.sql b/server/channels/db/migrations/mysql/000086_add_cloud_limits_archived.up.sql
deleted file mode 100644
index eb5d01dc231..00000000000
--- a/server/channels/db/migrations/mysql/000086_add_cloud_limits_archived.up.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-	NOT EXISTS(
-		SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
-		WHERE table_name = 'Teams'
-		AND table_schema = DATABASE()
-		AND column_name = 'CloudLimitsArchived'
-	),
-	'ALTER TABLE Teams ADD COLUMN CloudLimitsArchived BOOLEAN NOT NULL DEFAULT FALSE;',
-	'SELECT 1'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000087_sidebar_categories_index.down.sql b/server/channels/db/migrations/mysql/000087_sidebar_categories_index.down.sql
deleted file mode 100644
index 45904991376..00000000000
--- a/server/channels/db/migrations/mysql/000087_sidebar_categories_index.down.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'SidebarCategories'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_sidebarcategories_userid_teamid'
-    ) > 0,
-    'DROP INDEX idx_sidebarcategories_userid_teamid on SidebarCategories;',
-    'SELECT 1;'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000087_sidebar_categories_index.up.sql b/server/channels/db/migrations/mysql/000087_sidebar_categories_index.up.sql
deleted file mode 100644
index 9f772566831..00000000000
--- a/server/channels/db/migrations/mysql/000087_sidebar_categories_index.up.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'SidebarCategories'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_sidebarcategories_userid_teamid'
-    ) > 0,
-    'SELECT 1;',
-    'CREATE INDEX idx_sidebarcategories_userid_teamid on SidebarCategories(UserId, TeamId) LOCK=NONE;'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000088_remaining_migrations.down.sql b/server/channels/db/migrations/mysql/000088_remaining_migrations.down.sql
deleted file mode 100644
index 2faab562cae..00000000000
--- a/server/channels/db/migrations/mysql/000088_remaining_migrations.down.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Skipping it because the forward migrations are destructive.
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000088_remaining_migrations.up.sql b/server/channels/db/migrations/mysql/000088_remaining_migrations.up.sql
deleted file mode 100644
index 3588b8abf75..00000000000
--- a/server/channels/db/migrations/mysql/000088_remaining_migrations.up.sql
+++ /dev/null
@@ -1,36 +0,0 @@
-DROP TABLE IF EXISTS JobStatuses;
-
-DROP TABLE IF EXISTS PasswordRecovery;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'ThemeProps'
-    ) > 0,
-    'INSERT INTO Preferences(UserId, Category, Name, Value) SELECT Id, \'\', \'\', ThemeProps FROM Users WHERE Users.ThemeProps != \'null\'',
-    'SELECT 1'
-));
-
-PREPARE migrateTheme FROM @preparedStatement;
-EXECUTE migrateTheme;
-DEALLOCATE PREPARE migrateTheme;
-
--- We have to do this twice because the prepared statement doesn't support multiple SQL queries
--- in a single string.
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'ThemeProps'
-    ) > 0,
-    'ALTER TABLE Users DROP COLUMN ThemeProps',
-    'SELECT 1'
-));
-
-PREPARE migrateTheme FROM @preparedStatement;
-EXECUTE migrateTheme;
-DEALLOCATE PREPARE migrateTheme;
diff --git a/server/channels/db/migrations/mysql/000089_add-channelid-to-reaction.down.sql b/server/channels/db/migrations/mysql/000089_add-channelid-to-reaction.down.sql
deleted file mode 100644
index 0380b0de947..00000000000
--- a/server/channels/db/migrations/mysql/000089_add-channelid-to-reaction.down.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Reactions'
-        AND table_schema = DATABASE()
-        AND column_name = 'ChannelId'
-    ) > 0,
-    'ALTER TABLE Reactions DROP COLUMN ChannelId;',
-    'SELECT 1;'
-));
-
-PREPARE removeColumnIfExists FROM @preparedStatement;
-EXECUTE removeColumnIfExists;
-DEALLOCATE PREPARE removeColumnIfExists;
diff --git a/server/channels/db/migrations/mysql/000089_add-channelid-to-reaction.up.sql b/server/channels/db/migrations/mysql/000089_add-channelid-to-reaction.up.sql
deleted file mode 100644
index 11e24a8b995..00000000000
--- a/server/channels/db/migrations/mysql/000089_add-channelid-to-reaction.up.sql
+++ /dev/null
@@ -1,33 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    NOT EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Reactions'
-        AND table_schema = DATABASE()
-        AND column_name = 'ChannelId'
-    ),
-    'ALTER TABLE Reactions ADD COLUMN ChannelId varchar(26) NOT NULL DEFAULT "";',
-    'SELECT 1;'
-));
-
-PREPARE addColumnIfNotExists FROM @preparedStatement;
-EXECUTE addColumnIfNotExists;
-DEALLOCATE PREPARE addColumnIfNotExists;
-
-
-UPDATE Reactions SET ChannelId = COALESCE((select ChannelId from Posts where Posts.Id = Reactions.PostId), '') WHERE ChannelId="";
-
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Reactions'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_reactions_channel_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_reactions_channel_id ON Reactions(ChannelId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000090_create_enums.down.sql b/server/channels/db/migrations/mysql/000090_create_enums.down.sql
deleted file mode 100644
index 2fa58b3e6e0..00000000000
--- a/server/channels/db/migrations/mysql/000090_create_enums.down.sql
+++ /dev/null
@@ -1,47 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND column_name = 'Type'
-        AND column_type != 'varchar(1)'
-    ) > 0,
-    'ALTER TABLE Channels MODIFY COLUMN Type varchar(1);',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Teams'
-        AND table_schema = DATABASE()
-        AND column_name = 'Type'
-        AND column_type != 'varchar(255)'
-    ) > 0,
-    'ALTER TABLE Teams MODIFY COLUMN Type varchar(255);',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'UploadSessions'
-        AND table_schema = DATABASE()
-        AND column_name = 'Type'
-        AND column_type != 'varchar(32)'
-    ) > 0,
-    'ALTER TABLE UploadSessions MODIFY COLUMN Type varchar(32);',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000090_create_enums.up.sql b/server/channels/db/migrations/mysql/000090_create_enums.up.sql
deleted file mode 100644
index 3181aa953c9..00000000000
--- a/server/channels/db/migrations/mysql/000090_create_enums.up.sql
+++ /dev/null
@@ -1,47 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND column_name = 'Type'
-        AND column_type != 'ENUM("D", "O", "G", "P")'
-    ) > 0,
-    'ALTER TABLE Channels MODIFY COLUMN Type ENUM("D", "O", "G", "P");',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Teams'
-        AND table_schema = DATABASE()
-        AND column_name = 'Type'
-        AND column_type != 'ENUM("I", "O")'
-    ) > 0,
-    'ALTER TABLE Teams MODIFY COLUMN Type ENUM("I", "O");',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'UploadSessions'
-        AND table_schema = DATABASE()
-        AND column_name = 'Type'
-        AND column_type != 'ENUM("attachment", "import")'
-    ) > 0,
-    'ALTER TABLE UploadSessions MODIFY COLUMN Type ENUM("attachment", "import");',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000091_create_post_reminder.down.sql b/server/channels/db/migrations/mysql/000091_create_post_reminder.down.sql
deleted file mode 100644
index 40aeec0bf94..00000000000
--- a/server/channels/db/migrations/mysql/000091_create_post_reminder.down.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'PostReminders'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_postreminders_targettime'
-    ) > 0,
-    'DROP INDEX idx_postreminders_targettime ON PostReminders;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-DROP TABLE IF EXISTS PostReminders;
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000091_create_post_reminder.up.sql b/server/channels/db/migrations/mysql/000091_create_post_reminder.up.sql
deleted file mode 100644
index 7cea8025b0a..00000000000
--- a/server/channels/db/migrations/mysql/000091_create_post_reminder.up.sql
+++ /dev/null
@@ -1,21 +0,0 @@
-CREATE TABLE IF NOT EXISTS PostReminders (
-    PostId varchar(26) NOT NULL,
-    UserId varchar(26) NOT NULL,
-    TargetTime bigint,
-    PRIMARY KEY (PostId, UserId)
-);
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'PostReminders'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_postreminders_targettime'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_postreminders_targettime ON PostReminders(TargetTime);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000092_add_createat_to_teammembers.down.sql b/server/channels/db/migrations/mysql/000092_add_createat_to_teammembers.down.sql
deleted file mode 100644
index 6bec06a01f1..00000000000
--- a/server/channels/db/migrations/mysql/000092_add_createat_to_teammembers.down.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'TeamMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'CreateAt'
-    ) > 0,
-    'ALTER TABLE Reactions DROP COLUMN CreateAt;',
-    'SELECT 1;'
-));
-
-PREPARE removeColumnIfExists FROM @preparedStatement;
-EXECUTE removeColumnIfExists;
-DEALLOCATE PREPARE removeColumnIfExists;
diff --git a/server/channels/db/migrations/mysql/000092_add_createat_to_teammembers.up.sql b/server/channels/db/migrations/mysql/000092_add_createat_to_teammembers.up.sql
deleted file mode 100644
index ebed832fcb6..00000000000
--- a/server/channels/db/migrations/mysql/000092_add_createat_to_teammembers.up.sql
+++ /dev/null
@@ -1,29 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    NOT EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'TeamMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'CreateAt'
-    ),
-    'ALTER TABLE TeamMembers ADD COLUMN CreateAt bigint DEFAULT 0;',
-    'SELECT 1;'
-));
-
-PREPARE addColumnIfNotExists FROM @preparedStatement;
-EXECUTE addColumnIfNotExists;
-DEALLOCATE PREPARE addColumnIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'TeamMembers'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_teammembers_createat'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_teammembers_createat ON TeamMembers(CreateAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000093_notify_admin.down.sql b/server/channels/db/migrations/mysql/000093_notify_admin.down.sql
deleted file mode 100644
index f15593c4b4f..00000000000
--- a/server/channels/db/migrations/mysql/000093_notify_admin.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS NotifyAdmin;
diff --git a/server/channels/db/migrations/mysql/000093_notify_admin.up.sql b/server/channels/db/migrations/mysql/000093_notify_admin.up.sql
deleted file mode 100644
index f9696f29b76..00000000000
--- a/server/channels/db/migrations/mysql/000093_notify_admin.up.sql
+++ /dev/null
@@ -1,8 +0,0 @@
-CREATE TABLE IF NOT EXISTS NotifyAdmin (
-    UserId varchar(26) NOT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    RequiredPlan varchar(26) NOT NULL,
-    RequiredFeature varchar(100) NOT NULL,
-    Trial BOOLEAN NOT NULL,
-    PRIMARY KEY (UserId, RequiredFeature, RequiredPlan)
-);
diff --git a/server/channels/db/migrations/mysql/000094_threads_teamid.down.sql b/server/channels/db/migrations/mysql/000094_threads_teamid.down.sql
deleted file mode 100644
index 3b8e4a306ed..00000000000
--- a/server/channels/db/migrations/mysql/000094_threads_teamid.down.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Replaced by 000096_threads_threadteamid.down.sql
diff --git a/server/channels/db/migrations/mysql/000094_threads_teamid.up.sql b/server/channels/db/migrations/mysql/000094_threads_teamid.up.sql
deleted file mode 100644
index eb5e0807da9..00000000000
--- a/server/channels/db/migrations/mysql/000094_threads_teamid.up.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Replaced by 000096_threads_threadteamid.up.sql
diff --git a/server/channels/db/migrations/mysql/000095_remove_posts_parentid.down.sql b/server/channels/db/migrations/mysql/000095_remove_posts_parentid.down.sql
deleted file mode 100644
index abdf4283613..00000000000
--- a/server/channels/db/migrations/mysql/000095_remove_posts_parentid.down.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Intentionally left blank as forward migration is not reversible.
diff --git a/server/channels/db/migrations/mysql/000095_remove_posts_parentid.up.sql b/server/channels/db/migrations/mysql/000095_remove_posts_parentid.up.sql
deleted file mode 100644
index 269febfac0a..00000000000
--- a/server/channels/db/migrations/mysql/000095_remove_posts_parentid.up.sql
+++ /dev/null
@@ -1,17 +0,0 @@
--- While upgrading from 5.x to 6.x with manual queries, there is a chance that this
--- migration is skipped. In that case, we need to make sure that the column is dropped.
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Posts'
-        AND table_schema = DATABASE()
-        AND column_name = 'ParentId'
-    ) > 0,
-    'ALTER TABLE Posts DROP COLUMN ParentId;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000096_threads_threadteamid.down.sql b/server/channels/db/migrations/mysql/000096_threads_threadteamid.down.sql
deleted file mode 100644
index bcbd8a57058..00000000000
--- a/server/channels/db/migrations/mysql/000096_threads_threadteamid.down.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Threads'
-        AND table_schema = DATABASE()
-        AND column_name = 'ThreadTeamId'
-    ),
-    'ALTER TABLE Threads DROP COLUMN ThreadTeamId;',
-    'SELECT 1;'
-));
-
-PREPARE removeColumnIfExists FROM @preparedStatement;
-EXECUTE removeColumnIfExists;
-DEALLOCATE PREPARE removeColumnIfExists;
diff --git a/server/channels/db/migrations/mysql/000096_threads_threadteamid.up.sql b/server/channels/db/migrations/mysql/000096_threads_threadteamid.up.sql
deleted file mode 100644
index 420c2cd2f38..00000000000
--- a/server/channels/db/migrations/mysql/000096_threads_threadteamid.up.sql
+++ /dev/null
@@ -1,35 +0,0 @@
--- Drop any existing TeamId column from 000094_threads_teamid.up.sql
-SET @preparedStatement = (SELECT IF(
-    EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Threads'
-        AND table_schema = DATABASE()
-        AND column_name = 'TeamId'
-    ) > 0,
-    'ALTER TABLE Threads DROP COLUMN TeamId;',
-    'SELECT 1;'
-));
-
-PREPARE removeColumnIfExists FROM @preparedStatement;
-EXECUTE removeColumnIfExists;
-DEALLOCATE PREPARE removeColumnIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    NOT EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Threads'
-        AND table_schema = DATABASE()
-        AND column_name = 'ThreadTeamId'
-    ),
-    'ALTER TABLE Threads ADD COLUMN ThreadTeamId varchar(26) DEFAULT NULL;',
-    'SELECT 1;'
-));
-
-PREPARE addColumnIfNotExists FROM @preparedStatement;
-EXECUTE addColumnIfNotExists;
-DEALLOCATE PREPARE addColumnIfNotExists;
-
-UPDATE Threads, Channels
-SET Threads.ThreadTeamId = Channels.TeamId
-WHERE Channels.Id = Threads.ChannelId
-AND Threads.ThreadTeamId IS NULL;
diff --git a/server/channels/db/migrations/mysql/000097_create_posts_priority.down.sql b/server/channels/db/migrations/mysql/000097_create_posts_priority.down.sql
deleted file mode 100644
index a0294c918a7..00000000000
--- a/server/channels/db/migrations/mysql/000097_create_posts_priority.down.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-DROP TABLE IF EXISTS PostsPriority;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'UrgentMentionCount'
-    ) > 0,
-    'ALTER TABLE ChannelMembers DROP COLUMN UrgentMentionCount;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000097_create_posts_priority.up.sql b/server/channels/db/migrations/mysql/000097_create_posts_priority.up.sql
deleted file mode 100644
index b8b44d05449..00000000000
--- a/server/channels/db/migrations/mysql/000097_create_posts_priority.up.sql
+++ /dev/null
@@ -1,23 +0,0 @@
-CREATE TABLE IF NOT EXISTS PostsPriority (
-    PostId varchar(26) NOT NULL,
-    ChannelId varchar(26) NOT NULL,
-    Priority varchar(32) NOT NULL,
-    RequestedAck tinyint(1),
-    PersistentNotifications tinyint(1),
-    PRIMARY KEY (PostId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
-SET @preparedStatement = (SELECT IF(
-    NOT EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'ChannelMembers'
-        AND table_schema = DATABASE()
-        AND column_name = 'UrgentMentionCount'
-    ),
-    'ALTER TABLE ChannelMembers ADD COLUMN UrgentMentionCount bigint(20);',
-    'SELECT 1;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000098_create_post_acknowledgements.down.sql b/server/channels/db/migrations/mysql/000098_create_post_acknowledgements.down.sql
deleted file mode 100644
index 2360ca5a6ea..00000000000
--- a/server/channels/db/migrations/mysql/000098_create_post_acknowledgements.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS PostAcknowledgements;
diff --git a/server/channels/db/migrations/mysql/000098_create_post_acknowledgements.up.sql b/server/channels/db/migrations/mysql/000098_create_post_acknowledgements.up.sql
deleted file mode 100644
index 9eb7567a85a..00000000000
--- a/server/channels/db/migrations/mysql/000098_create_post_acknowledgements.up.sql
+++ /dev/null
@@ -1,6 +0,0 @@
-CREATE TABLE IF NOT EXISTS PostAcknowledgements (
-    PostId varchar(26) NOT NULL,
-    UserId varchar(26) NOT NULL,
-    AcknowledgedAt bigint(20) DEFAULT NULL,
-    PRIMARY KEY (PostId, UserId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
diff --git a/server/channels/db/migrations/mysql/000099_create_drafts.down.sql b/server/channels/db/migrations/mysql/000099_create_drafts.down.sql
deleted file mode 100644
index 02a72a656fc..00000000000
--- a/server/channels/db/migrations/mysql/000099_create_drafts.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS Drafts;
diff --git a/server/channels/db/migrations/mysql/000099_create_drafts.up.sql b/server/channels/db/migrations/mysql/000099_create_drafts.up.sql
deleted file mode 100644
index d580fcb70e5..00000000000
--- a/server/channels/db/migrations/mysql/000099_create_drafts.up.sql
+++ /dev/null
@@ -1,12 +0,0 @@
-CREATE TABLE IF NOT EXISTS Drafts (
-    CreateAt bigint(20) DEFAULT NULL,
-    UpdateAt bigint(20) DEFAULT NULL,
-    DeleteAt bigint(20) DEFAULT NULL,
-    UserId varchar(26) NOT NULL,
-    ChannelId varchar(26) NOT NULL,
-    RootId varchar(26) DEFAULT '',
-    Message text,
-    Props text,
-    FileIds text,
-    PRIMARY KEY (UserId, ChannelId, RootId)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
diff --git a/server/channels/db/migrations/mysql/000100_add_draft_priority_column.down.sql b/server/channels/db/migrations/mysql/000100_add_draft_priority_column.down.sql
deleted file mode 100644
index a4f15cde402..00000000000
--- a/server/channels/db/migrations/mysql/000100_add_draft_priority_column.down.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Drafts'
-        AND table_schema = DATABASE()
-        AND column_name = 'Priority'
-    ) > 0,
-    'ALTER TABLE Drafts DROP COLUMN Priority;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000100_add_draft_priority_column.up.sql b/server/channels/db/migrations/mysql/000100_add_draft_priority_column.up.sql
deleted file mode 100644
index 134cc86f39c..00000000000
--- a/server/channels/db/migrations/mysql/000100_add_draft_priority_column.up.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Drafts'
-        AND table_schema = DATABASE()
-        AND column_name = 'Priority'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE Drafts ADD COLUMN Priority text;'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000101_create_true_up_review_history.down.sql b/server/channels/db/migrations/mysql/000101_create_true_up_review_history.down.sql
deleted file mode 100644
index e1e16a7f708..00000000000
--- a/server/channels/db/migrations/mysql/000101_create_true_up_review_history.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS TrueUpReviewHistory;
diff --git a/server/channels/db/migrations/mysql/000101_create_true_up_review_history.up.sql b/server/channels/db/migrations/mysql/000101_create_true_up_review_history.up.sql
deleted file mode 100644
index 5b25ffdb807..00000000000
--- a/server/channels/db/migrations/mysql/000101_create_true_up_review_history.up.sql
+++ /dev/null
@@ -1,5 +0,0 @@
-CREATE TABLE IF NOT EXISTS TrueUpReviewHistory (
-	DueDate bigint(20),
-	Completed boolean,
-    PRIMARY KEY (DueDate)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
diff --git a/server/channels/db/migrations/mysql/000102_posts_originalid_index.down.sql b/server/channels/db/migrations/mysql/000102_posts_originalid_index.down.sql
deleted file mode 100644
index 5fb6b76ca88..00000000000
--- a/server/channels/db/migrations/mysql/000102_posts_originalid_index.down.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-     (
-         SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-         WHERE table_name = 'Posts'
-         AND table_schema = DATABASE()
-         AND index_name = 'idx_posts_original_id'
-     ) > 0,
-     'DROP INDEX idx_posts_original_id on Posts;',
-     'SELECT 1;'
- ));
-
- PREPARE removeIndexIfExists FROM @preparedStatement;
- EXECUTE removeIndexIfExists;
- DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000102_posts_originalid_index.up.sql b/server/channels/db/migrations/mysql/000102_posts_originalid_index.up.sql
deleted file mode 100644
index 355a5016785..00000000000
--- a/server/channels/db/migrations/mysql/000102_posts_originalid_index.up.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-     (
-         SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-         WHERE table_name = 'Posts'
-         AND table_schema = DATABASE()
-         AND index_name = 'idx_posts_original_id'
-     ) > 0,
-     'SELECT 1;',
-     'CREATE INDEX idx_posts_original_id on Posts(OriginalId);'
- ));
-
- PREPARE createIndexIfNotExists FROM @preparedStatement;
- EXECUTE createIndexIfNotExists;
- DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000103_add_sentat_to_notifyadmin.down.sql b/server/channels/db/migrations/mysql/000103_add_sentat_to_notifyadmin.down.sql
deleted file mode 100644
index 371c98478c3..00000000000
--- a/server/channels/db/migrations/mysql/000103_add_sentat_to_notifyadmin.down.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'NotifyAdmin'
-        AND table_schema = DATABASE()
-        AND column_name = 'SentAt'
-    ) > 0,
-    'ALTER TABLE NotifyAdmin DROP COLUMN SentAt;',
-    'SELECT 1;'
-));
-
-PREPARE removeColumnIfExists FROM @preparedStatement;
-EXECUTE removeColumnIfExists;
-DEALLOCATE PREPARE removeColumnIfExists;
diff --git a/server/channels/db/migrations/mysql/000103_add_sentat_to_notifyadmin.up.sql b/server/channels/db/migrations/mysql/000103_add_sentat_to_notifyadmin.up.sql
deleted file mode 100644
index b6bfdb2b4ca..00000000000
--- a/server/channels/db/migrations/mysql/000103_add_sentat_to_notifyadmin.up.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    NOT EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'NotifyAdmin'
-        AND table_schema = DATABASE()
-        AND column_name = 'SentAt'
-    ),
-    'ALTER TABLE NotifyAdmin ADD COLUMN SentAt bigint DEFAULT NULL;',
-    'SELECT 1;'
-));
-
-PREPARE addColumnIfNotExists FROM @preparedStatement;
-EXECUTE addColumnIfNotExists;
-DEALLOCATE PREPARE addColumnIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000104_upgrade_notifyadmin.down.sql b/server/channels/db/migrations/mysql/000104_upgrade_notifyadmin.down.sql
deleted file mode 100644
index e9583db7b88..00000000000
--- a/server/channels/db/migrations/mysql/000104_upgrade_notifyadmin.down.sql
+++ /dev/null
@@ -1,29 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'NotifyAdmin'
-        AND table_schema = DATABASE()
-        AND column_name = 'RequiredFeature'
-        AND column_type != 'varchar(100)'
-    ) > 0,
-    'ALTER TABLE NotifyAdmin MODIFY COLUMN RequiredFeature varchar(100);',
-    'SELECT 1'
-));
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'NotifyAdmin'
-        AND table_schema = DATABASE()
-        AND column_name = 'RequiredPlan'
-        AND column_type != 'varchar(26)'
-    ) > 0,
-    'ALTER TABLE NotifyAdmin MODIFY COLUMN RequiredPlan varchar(26);',
-    'SELECT 1'
-));
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000104_upgrade_notifyadmin.up.sql b/server/channels/db/migrations/mysql/000104_upgrade_notifyadmin.up.sql
deleted file mode 100644
index 25cc1d598e6..00000000000
--- a/server/channels/db/migrations/mysql/000104_upgrade_notifyadmin.up.sql
+++ /dev/null
@@ -1,29 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'NotifyAdmin'
-        AND table_schema = DATABASE()
-        AND column_name = 'RequiredFeature'
-        AND column_type != 'varchar(255)'
-    ) > 0,
-    'ALTER TABLE NotifyAdmin MODIFY COLUMN RequiredFeature varchar(255);',
-    'SELECT 1'
-));
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-    	SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'NotifyAdmin'
-        AND table_schema = DATABASE()
-        AND column_name = 'RequiredPlan'
-        AND column_type != 'varchar(100)'
-    ) > 0,
-    'ALTER TABLE NotifyAdmin MODIFY COLUMN RequiredPlan varchar(100);',
-    'SELECT 1'
-));
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000105_remove_tokens.down.sql b/server/channels/db/migrations/mysql/000105_remove_tokens.down.sql
deleted file mode 100644
index 4743bd64621..00000000000
--- a/server/channels/db/migrations/mysql/000105_remove_tokens.down.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Skipping it because the forward migrations are destructive
diff --git a/server/channels/db/migrations/mysql/000105_remove_tokens.up.sql b/server/channels/db/migrations/mysql/000105_remove_tokens.up.sql
deleted file mode 100644
index 49d41d7d7fe..00000000000
--- a/server/channels/db/migrations/mysql/000105_remove_tokens.up.sql
+++ /dev/null
@@ -1,4 +0,0 @@
-DELETE o, s from OAuthAccessData o 
-LEFT JOIN Preferences p ON o.clientid = p.name AND o.userid = p.userid AND p.category = 'oauth_app'
-INNER JOIN Sessions s ON o.token = s.token
-WHERE p.name IS NULL;
diff --git a/server/channels/db/migrations/mysql/000106_fileinfo_channelid.down.sql b/server/channels/db/migrations/mysql/000106_fileinfo_channelid.down.sql
deleted file mode 100644
index 8892ce5a589..00000000000
--- a/server/channels/db/migrations/mysql/000106_fileinfo_channelid.down.sql
+++ /dev/null
@@ -1,29 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'FileInfo'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_fileinfo_channel_id_create_at'
-    ) > 0,
-    'DROP INDEX idx_fileinfo_channel_id_create_at ON FileInfo;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'FileInfo'
-        AND table_schema = DATABASE()
-        AND column_name = 'ChannelId'
-    ) > 0,
-    'ALTER TABLE FileInfo DROP COLUMN ChannelId;',
-    'SELECT 1;'
-));
-
-PREPARE removeColumnIfExists FROM @preparedStatement;
-EXECUTE removeColumnIfExists;
-DEALLOCATE PREPARE removeColumnIfExists;
diff --git a/server/channels/db/migrations/mysql/000106_fileinfo_channelid.up.sql b/server/channels/db/migrations/mysql/000106_fileinfo_channelid.up.sql
deleted file mode 100644
index 04ad46de04a..00000000000
--- a/server/channels/db/migrations/mysql/000106_fileinfo_channelid.up.sql
+++ /dev/null
@@ -1,34 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    NOT EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'FileInfo'
-        AND table_schema = DATABASE()
-        AND column_name = 'ChannelId'
-    ),
-    'ALTER TABLE FileInfo ADD COLUMN ChannelId varchar(26);',
-    'SELECT 1;'
-));
-
-PREPARE addColumnIfNotExists FROM @preparedStatement;
-EXECUTE addColumnIfNotExists;
-DEALLOCATE PREPARE addColumnIfNotExists;
-
-UPDATE FileInfo, Posts
-SET FileInfo.ChannelId = Posts.ChannelId
-WHERE FileInfo.PostId = Posts.Id
-AND FileInfo.ChannelId IS NULL;
-
-SET @preparedStatement = (SELECT IF(
-    NOT EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'FileInfo'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_fileinfo_channel_id_create_at'
-    ),
-    'CREATE INDEX idx_fileinfo_channel_id_create_at ON FileInfo(ChannelId, CreateAt);',
-    'SELECT 1'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000107_threadmemberships_cleanup.down.sql b/server/channels/db/migrations/mysql/000107_threadmemberships_cleanup.down.sql
deleted file mode 100644
index 4743bd64621..00000000000
--- a/server/channels/db/migrations/mysql/000107_threadmemberships_cleanup.down.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Skipping it because the forward migrations are destructive
diff --git a/server/channels/db/migrations/mysql/000107_threadmemberships_cleanup.up.sql b/server/channels/db/migrations/mysql/000107_threadmemberships_cleanup.up.sql
deleted file mode 100644
index 90644be3f3c..00000000000
--- a/server/channels/db/migrations/mysql/000107_threadmemberships_cleanup.up.sql
+++ /dev/null
@@ -1,5 +0,0 @@
-DELETE FROM
-    tm USING ThreadMemberships AS tm
-    JOIN Threads ON Threads.PostId = tm.PostId
-WHERE
-    (tm.UserId, Threads.ChannelId) NOT IN (SELECT UserId, ChannelId FROM ChannelMembers);
diff --git a/server/channels/db/migrations/mysql/000108_remove_orphaned_oauth_preferences.down.sql b/server/channels/db/migrations/mysql/000108_remove_orphaned_oauth_preferences.down.sql
deleted file mode 100644
index 9a11a0a1e83..00000000000
--- a/server/channels/db/migrations/mysql/000108_remove_orphaned_oauth_preferences.down.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Migration only applied to postgres
diff --git a/server/channels/db/migrations/mysql/000108_remove_orphaned_oauth_preferences.up.sql b/server/channels/db/migrations/mysql/000108_remove_orphaned_oauth_preferences.up.sql
deleted file mode 100644
index 9a11a0a1e83..00000000000
--- a/server/channels/db/migrations/mysql/000108_remove_orphaned_oauth_preferences.up.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Migration only applied to postgres
diff --git a/server/channels/db/migrations/mysql/000109_create_persistent_notifications.down.sql b/server/channels/db/migrations/mysql/000109_create_persistent_notifications.down.sql
deleted file mode 100644
index a798c9a3cf7..00000000000
--- a/server/channels/db/migrations/mysql/000109_create_persistent_notifications.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS PersistentNotifications;
diff --git a/server/channels/db/migrations/mysql/000109_create_persistent_notifications.up.sql b/server/channels/db/migrations/mysql/000109_create_persistent_notifications.up.sql
deleted file mode 100644
index 257bf13ad47..00000000000
--- a/server/channels/db/migrations/mysql/000109_create_persistent_notifications.up.sql
+++ /dev/null
@@ -1,8 +0,0 @@
-CREATE TABLE IF NOT EXISTS PersistentNotifications (
-    PostId varchar(26) NOT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    LastSentAt bigint(20) DEFAULT NULL,
-    DeleteAt bigint(20) DEFAULT NULL,
-    SentCount smallint DEFAULT NULL,
-    PRIMARY KEY (PostId)
-);
diff --git a/server/channels/db/migrations/mysql/000111_update_vacuuming.down.sql b/server/channels/db/migrations/mysql/000111_update_vacuuming.down.sql
deleted file mode 100644
index 69a6cd447a9..00000000000
--- a/server/channels/db/migrations/mysql/000111_update_vacuuming.down.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Only applicable to Postgres
diff --git a/server/channels/db/migrations/mysql/000111_update_vacuuming.up.sql b/server/channels/db/migrations/mysql/000111_update_vacuuming.up.sql
deleted file mode 100644
index 69a6cd447a9..00000000000
--- a/server/channels/db/migrations/mysql/000111_update_vacuuming.up.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Only applicable to Postgres
diff --git a/server/channels/db/migrations/mysql/000112_rework_desktop_tokens.down.sql b/server/channels/db/migrations/mysql/000112_rework_desktop_tokens.down.sql
deleted file mode 100644
index a0067811600..00000000000
--- a/server/channels/db/migrations/mysql/000112_rework_desktop_tokens.down.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'DesktopTokens'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_desktoptokens_createat'
-    ) > 0,
-    'DROP INDEX idx_desktoptokens_createat ON DesktopTokens;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-DROP TABLE IF EXISTS DesktopTokens;
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000112_rework_desktop_tokens.up.sql b/server/channels/db/migrations/mysql/000112_rework_desktop_tokens.up.sql
deleted file mode 100644
index 64c1ec7ef84..00000000000
--- a/server/channels/db/migrations/mysql/000112_rework_desktop_tokens.up.sql
+++ /dev/null
@@ -1,38 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'DesktopTokens'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_desktoptokens_createat'
-    ) > 0,
-    'DROP INDEX idx_desktoptokens_createat ON DesktopTokens;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-DROP TABLE IF EXISTS DesktopTokens;
-
-CREATE TABLE IF NOT EXISTS DesktopTokens (
-    Token varchar(64) NOT NULL,
-    CreateAt bigint NOT NULL,
-    UserId varchar(26) NOT NULL,
-    PRIMARY KEY (Token)
-);
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'DesktopTokens'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_desktoptokens_token_createat'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_desktoptokens_token_createat ON DesktopTokens(Token, CreateAt);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000113_create_retentionidsfordeletion_table.down.sql b/server/channels/db/migrations/mysql/000113_create_retentionidsfordeletion_table.down.sql
deleted file mode 100644
index d3a3dccf27f..00000000000
--- a/server/channels/db/migrations/mysql/000113_create_retentionidsfordeletion_table.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS RetentionIdsForDeletion;
diff --git a/server/channels/db/migrations/mysql/000113_create_retentionidsfordeletion_table.up.sql b/server/channels/db/migrations/mysql/000113_create_retentionidsfordeletion_table.up.sql
deleted file mode 100644
index cba69c2ff42..00000000000
--- a/server/channels/db/migrations/mysql/000113_create_retentionidsfordeletion_table.up.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-CREATE TABLE IF NOT EXISTS RetentionIdsForDeletion (
-    Id varchar(26) NOT NULL,
-    TableName varchar(64),
-    Ids json,
-    PRIMARY KEY (Id),
-    KEY idx_retentionidsfordeletion_tablename (TableName)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
diff --git a/server/channels/db/migrations/mysql/000114_sharedchannelremotes_drop_nextsyncat_description.down.sql b/server/channels/db/migrations/mysql/000114_sharedchannelremotes_drop_nextsyncat_description.down.sql
deleted file mode 100644
index b7ce52c9390..00000000000
--- a/server/channels/db/migrations/mysql/000114_sharedchannelremotes_drop_nextsyncat_description.down.sql
+++ /dev/null
@@ -1 +0,0 @@
--- It is intentionally to not have rollback for sharedchannelremotes_drop_nextsyncat_description
diff --git a/server/channels/db/migrations/mysql/000114_sharedchannelremotes_drop_nextsyncat_description.up.sql b/server/channels/db/migrations/mysql/000114_sharedchannelremotes_drop_nextsyncat_description.up.sql
deleted file mode 100644
index 90c3e833225..00000000000
--- a/server/channels/db/migrations/mysql/000114_sharedchannelremotes_drop_nextsyncat_description.up.sql
+++ /dev/null
@@ -1,29 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SharedChannelRemotes'
-        AND table_schema = DATABASE()
-        AND column_name = 'NextSyncAt'
-    ) > 0,
-    'ALTER TABLE SharedChannelRemotes DROP COLUMN NextSyncAt;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SharedChannelRemotes'
-        AND table_schema = DATABASE()
-        AND column_name = 'Description'
-    ) > 0,
-    'ALTER TABLE SharedChannelRemotes DROP COLUMN Description;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
diff --git a/server/channels/db/migrations/mysql/000115_user_reporting_changes.down.sql b/server/channels/db/migrations/mysql/000115_user_reporting_changes.down.sql
deleted file mode 100644
index 42e358a00da..00000000000
--- a/server/channels/db/migrations/mysql/000115_user_reporting_changes.down.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'LastLogin'
-    ) > 0,
-    'ALTER TABLE Users DROP COLUMN LastLogin;',
-    'SELECT 1;'
-));
-
-PREPARE removeColumnIfExists FROM @preparedStatement;
-EXECUTE removeColumnIfExists;
-DEALLOCATE PREPARE removeColumnIfExists;
diff --git a/server/channels/db/migrations/mysql/000115_user_reporting_changes.up.sql b/server/channels/db/migrations/mysql/000115_user_reporting_changes.up.sql
deleted file mode 100644
index 71901a8c1ef..00000000000
--- a/server/channels/db/migrations/mysql/000115_user_reporting_changes.up.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    NOT EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Users'
-        AND table_schema = DATABASE()
-        AND column_name = 'LastLogin'
-    ),
-    'ALTER TABLE Users ADD COLUMN LastLogin bigint NOT NULL DEFAULT 0;',
-    'SELECT 1;'
-));
-
-PREPARE addColumnIfNotExists FROM @preparedStatement;
-EXECUTE addColumnIfNotExists;
-DEALLOCATE PREPARE addColumnIfNotExists;
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000116_create_outgoing_oauth_connections.down.sql b/server/channels/db/migrations/mysql/000116_create_outgoing_oauth_connections.down.sql
deleted file mode 100644
index 0741ebe35ce..00000000000
--- a/server/channels/db/migrations/mysql/000116_create_outgoing_oauth_connections.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS OutgoingOAuthConnections;
diff --git a/server/channels/db/migrations/mysql/000116_create_outgoing_oauth_connections.up.sql b/server/channels/db/migrations/mysql/000116_create_outgoing_oauth_connections.up.sql
deleted file mode 100644
index 113d79bda09..00000000000
--- a/server/channels/db/migrations/mysql/000116_create_outgoing_oauth_connections.up.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-CREATE TABLE IF NOT EXISTS OutgoingOAuthConnections (
-    Id varchar(26),
-    Name varchar(64),
-    CreatorId varchar(26) DEFAULT NULL,
-    CreateAt bigint(20) DEFAULT NULL,
-    UpdateAt bigint(20) DEFAULT NULL,
-    ClientId varchar(255),
-    ClientSecret varchar(255),
-    CredentialsUsername varchar(255),
-    CredentialsPassword varchar(255),
-    OAuthTokenURL text,
-    GrantType varchar(32) DEFAULT 'client_credentials',
-    Audiences TEXT,
-    PRIMARY KEY (Id),
-    KEY idx_OutgoingOAuthConnections_name (Name)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
diff --git a/server/channels/db/migrations/mysql/000117_msteams_shared_channels.down.sql b/server/channels/db/migrations/mysql/000117_msteams_shared_channels.down.sql
deleted file mode 100644
index 42055c1139c..00000000000
--- a/server/channels/db/migrations/mysql/000117_msteams_shared_channels.down.sql
+++ /dev/null
@@ -1,47 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'RemoteClusters'
-        AND table_schema = DATABASE()
-        AND column_name = 'PluginID'
-    ),
-    'ALTER TABLE RemoteClusters DROP COLUMN PluginID;',
-    'SELECT 1;'
-));
-
-PREPARE removeColumnIfExists FROM @preparedStatement;
-EXECUTE removeColumnIfExists;
-DEALLOCATE PREPARE removeColumnIfExists;
-
-
-SET @preparedStatement = (SELECT IF(
-    EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'SharedChannelRemotes'
-        AND table_schema = DATABASE()
-        AND column_name = 'LastPostCreateAt'
-    ),
-    'ALTER TABLE SharedChannelRemotes DROP COLUMN LastPostCreateAt;',
-    'SELECT 1;'
-));
-
-PREPARE removeColumnIfExists FROM @preparedStatement;
-EXECUTE removeColumnIfExists;
-DEALLOCATE PREPARE removeColumnIfExists;
-
-
-SET @preparedStatement = (SELECT IF(
-    EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'SharedChannelRemotes'
-        AND table_schema = DATABASE()
-        AND column_name = 'LastPostCreateID'
-    ),
-    'ALTER TABLE SharedChannelRemotes DROP COLUMN LastPostCreateID;',
-    'SELECT 1;'
-));
-
-PREPARE removeColumnIfExists FROM @preparedStatement;
-EXECUTE removeColumnIfExists;
-DEALLOCATE PREPARE removeColumnIfExists;
-
diff --git a/server/channels/db/migrations/mysql/000117_msteams_shared_channels.up.sql b/server/channels/db/migrations/mysql/000117_msteams_shared_channels.up.sql
deleted file mode 100644
index 4a7891cdb4c..00000000000
--- a/server/channels/db/migrations/mysql/000117_msteams_shared_channels.up.sql
+++ /dev/null
@@ -1,47 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    NOT EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'RemoteClusters'
-        AND table_schema = DATABASE()
-        AND column_name = 'PluginID'
-    ),
-    'ALTER TABLE RemoteClusters ADD COLUMN PluginID varchar(190) NOT NULL DEFAULT \'\';',
-    'SELECT 1;'
-));
-
-PREPARE addColumnIfNotExists FROM @preparedStatement;
-EXECUTE addColumnIfNotExists;
-DEALLOCATE PREPARE addColumnIfNotExists;
-
-
-SET @preparedStatement = (SELECT IF(
-    NOT EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SharedChannelRemotes'
-        AND table_schema = DATABASE()
-        AND column_name = 'LastPostCreateAt'
-    ),
-    'ALTER TABLE SharedChannelRemotes ADD COLUMN LastPostCreateAt bigint NOT NULL DEFAULT 0;',
-    'SELECT 1;'
-));
-
-PREPARE addColumnIfNotExists FROM @preparedStatement;
-EXECUTE addColumnIfNotExists;
-DEALLOCATE PREPARE addColumnIfNotExists;
-
-
-SET @preparedStatement = (SELECT IF(
-    NOT EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SharedChannelRemotes'
-        AND table_schema = DATABASE()
-        AND column_name = 'LastPostCreateID'
-    ),
-    'ALTER TABLE SharedChannelRemotes ADD COLUMN LastPostCreateID varchar(26);',
-    'SELECT 1;'
-));
-
-PREPARE addColumnIfNotExists FROM @preparedStatement;
-EXECUTE addColumnIfNotExists;
-DEALLOCATE PREPARE addColumnIfNotExists;
-
diff --git a/server/channels/db/migrations/mysql/000118_create_index_poststats.down.sql b/server/channels/db/migrations/mysql/000118_create_index_poststats.down.sql
deleted file mode 100644
index 9b2cb2bffef..00000000000
--- a/server/channels/db/migrations/mysql/000118_create_index_poststats.down.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Nothing to do for MySQL
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000118_create_index_poststats.up.sql b/server/channels/db/migrations/mysql/000118_create_index_poststats.up.sql
deleted file mode 100644
index 9b2cb2bffef..00000000000
--- a/server/channels/db/migrations/mysql/000118_create_index_poststats.up.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Nothing to do for MySQL
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000119_msteams_shared_channels_opts.down.sql b/server/channels/db/migrations/mysql/000119_msteams_shared_channels_opts.down.sql
deleted file mode 100644
index 2fbae03871f..00000000000
--- a/server/channels/db/migrations/mysql/000119_msteams_shared_channels_opts.down.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'RemoteClusters'
-        AND table_schema = DATABASE()
-        AND column_name = 'Options'
-    ),
-    'ALTER TABLE RemoteClusters DROP COLUMN Options;',
-    'SELECT 1;'
-));
-
-PREPARE removeColumnIfExists FROM @preparedStatement;
-EXECUTE removeColumnIfExists;
-DEALLOCATE PREPARE removeColumnIfExists;
-
diff --git a/server/channels/db/migrations/mysql/000119_msteams_shared_channels_opts.up.sql b/server/channels/db/migrations/mysql/000119_msteams_shared_channels_opts.up.sql
deleted file mode 100644
index 91ee9458bca..00000000000
--- a/server/channels/db/migrations/mysql/000119_msteams_shared_channels_opts.up.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    NOT EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'RemoteClusters'
-        AND table_schema = DATABASE()
-        AND column_name = 'Options'
-    ),
-    'ALTER TABLE RemoteClusters ADD COLUMN Options smallint NOT NULL DEFAULT 0;',
-    'SELECT 1;'
-));
-
-PREPARE addColumnIfNotExists FROM @preparedStatement;
-EXECUTE addColumnIfNotExists;
-DEALLOCATE PREPARE addColumnIfNotExists;
-
diff --git a/server/channels/db/migrations/mysql/000120_create_channelbookmarks_table.down.sql b/server/channels/db/migrations/mysql/000120_create_channelbookmarks_table.down.sql
deleted file mode 100644
index 8e686e4bd02..00000000000
--- a/server/channels/db/migrations/mysql/000120_create_channelbookmarks_table.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS ChannelBookmarks;
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000120_create_channelbookmarks_table.up.sql b/server/channels/db/migrations/mysql/000120_create_channelbookmarks_table.up.sql
deleted file mode 100644
index 56b821522d1..00000000000
--- a/server/channels/db/migrations/mysql/000120_create_channelbookmarks_table.up.sql
+++ /dev/null
@@ -1,21 +0,0 @@
-CREATE TABLE IF NOT EXISTS ChannelBookmarks (
-    Id varchar(26) NOT NULL,
-    OwnerId varchar(26) NOT NULL,
-    ChannelId varchar(26) NOT NULL,
-    FileInfoId varchar(26) DEFAULT NULL,
-    CreateAt bigint(20) DEFAULT 0,
-    UpdateAt bigint(20) DEFAULT 0,
-    DeleteAt bigint(20) DEFAULT 0,
-    DisplayName text,
-    SortOrder bigint(20) DEFAULT 0,
-    LinkUrl text DEFAULT NULL,
-    ImageUrl text DEFAULT NULL,
-    Emoji varchar(64) DEFAULT NULL,
-    Type ENUM('link', 'file'),
-    OriginalId varchar(26) DEFAULT NULL,
-    ParentId varchar(26) DEFAULT NULL,
-    PRIMARY KEY (Id),
-    KEY idx_channelbookmarks_channelid (ChannelId),
-    KEY idx_channelbookmarks_update_at (UpdateAt),
-    KEY idx_channelbookmarks_delete_at (DeleteAt)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
diff --git a/server/channels/db/migrations/mysql/000121_remove_true_up_review_history.down.sql b/server/channels/db/migrations/mysql/000121_remove_true_up_review_history.down.sql
deleted file mode 100644
index 5b25ffdb807..00000000000
--- a/server/channels/db/migrations/mysql/000121_remove_true_up_review_history.down.sql
+++ /dev/null
@@ -1,5 +0,0 @@
-CREATE TABLE IF NOT EXISTS TrueUpReviewHistory (
-	DueDate bigint(20),
-	Completed boolean,
-    PRIMARY KEY (DueDate)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
diff --git a/server/channels/db/migrations/mysql/000121_remove_true_up_review_history.up.sql b/server/channels/db/migrations/mysql/000121_remove_true_up_review_history.up.sql
deleted file mode 100644
index e3fc2d30119..00000000000
--- a/server/channels/db/migrations/mysql/000121_remove_true_up_review_history.up.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP TABLE IF EXISTS TrueUpReviewHistory;
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000122_preferences_value_length.down.sql b/server/channels/db/migrations/mysql/000122_preferences_value_length.down.sql
deleted file mode 100644
index 69a6cd447a9..00000000000
--- a/server/channels/db/migrations/mysql/000122_preferences_value_length.down.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Only applicable to Postgres
diff --git a/server/channels/db/migrations/mysql/000122_preferences_value_length.up.sql b/server/channels/db/migrations/mysql/000122_preferences_value_length.up.sql
deleted file mode 100644
index 69a6cd447a9..00000000000
--- a/server/channels/db/migrations/mysql/000122_preferences_value_length.up.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Only applicable to Postgres
diff --git a/server/channels/db/migrations/mysql/000123_remove_upload_file_permission.down.sql b/server/channels/db/migrations/mysql/000123_remove_upload_file_permission.down.sql
deleted file mode 100644
index 4743bd64621..00000000000
--- a/server/channels/db/migrations/mysql/000123_remove_upload_file_permission.down.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Skipping it because the forward migrations are destructive
diff --git a/server/channels/db/migrations/mysql/000123_remove_upload_file_permission.up.sql b/server/channels/db/migrations/mysql/000123_remove_upload_file_permission.up.sql
deleted file mode 100644
index 5f3a79a06e1..00000000000
--- a/server/channels/db/migrations/mysql/000123_remove_upload_file_permission.up.sql
+++ /dev/null
@@ -1,18 +0,0 @@
-CREATE PROCEDURE RemoveUuploadFilePermission()
-BEGIN
-    updateRoles: LOOP
-        -- update affected rows
-        UPDATE Roles 
-            SET Permissions = REGEXP_REPLACE(Permissions, 'upload_file([[:space:]]|$)', '')
-            WHERE Permissions like '%upload_file%' and Permissions not REGEXP 'create_post([[:space:]]|$)'
-            LIMIT 100;
-
-          -- check if the loop has completed    
-          IF  ROW_COUNT() < 100 THEN
-              LEAVE updateRoles;
-          END IF;    
-    END LOOP updateRoles;
-END;
-
-CALL RemoveUuploadFilePermission();
-DROP PROCEDURE IF EXISTS RemoveUuploadFilePermission;
diff --git a/server/channels/db/migrations/mysql/000124_remove_manage_team_permission.down.sql b/server/channels/db/migrations/mysql/000124_remove_manage_team_permission.down.sql
deleted file mode 100644
index 7e9ccde63d7..00000000000
--- a/server/channels/db/migrations/mysql/000124_remove_manage_team_permission.down.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Skipping it because the forward migrations are destructive
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000124_remove_manage_team_permission.up.sql b/server/channels/db/migrations/mysql/000124_remove_manage_team_permission.up.sql
deleted file mode 100644
index 7a66afe4831..00000000000
--- a/server/channels/db/migrations/mysql/000124_remove_manage_team_permission.up.sql
+++ /dev/null
@@ -1,21 +0,0 @@
-CREATE PROCEDURE RemoveUploadFilePermission()
-BEGIN
-    updateRoles: LOOP
-        -- update affected rows
-        UPDATE Roles 
-            SET Permissions = REGEXP_REPLACE(Permissions, 'manage_team[[:space:]|?]', '')
-            WHERE Permissions REGEXP 'manage_team[[:space:]|?]'
-                AND Permissions not like '%sysconsole_write_user_management_teams%'
-                AND (Permissions like '%sysconsole_write_user_management_channels%'
-                OR Permissions like '%sysconsole_write_user_management_groups%')
-            LIMIT 100;
-
-          -- check if the loop has completed    
-          IF  ROW_COUNT() < 100 THEN
-              LEAVE updateRoles;
-          END IF;    
-    END LOOP updateRoles;
-END;
-
-CALL RemoveUploadFilePermission();
-DROP PROCEDURE IF EXISTS RemoveUploadFilePermission;
diff --git a/server/channels/db/migrations/mysql/000125_remoteclusters_add_default_team_id.down.sql b/server/channels/db/migrations/mysql/000125_remoteclusters_add_default_team_id.down.sql
deleted file mode 100644
index 7e9ccde63d7..00000000000
--- a/server/channels/db/migrations/mysql/000125_remoteclusters_add_default_team_id.down.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Skipping it because the forward migrations are destructive
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000125_remoteclusters_add_default_team_id.up.sql b/server/channels/db/migrations/mysql/000125_remoteclusters_add_default_team_id.up.sql
deleted file mode 100644
index 0219ab7aaca..00000000000
--- a/server/channels/db/migrations/mysql/000125_remoteclusters_add_default_team_id.up.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'RemoteClusters'
-        AND table_schema = DATABASE()
-        AND column_name = 'DefaultTeamId'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE RemoteClusters ADD DefaultTeamId VARCHAR(26) DEFAULT "";'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000126_sharedchannels_remotes_add_deleteat.down.sql b/server/channels/db/migrations/mysql/000126_sharedchannels_remotes_add_deleteat.down.sql
deleted file mode 100644
index 4743bd64621..00000000000
--- a/server/channels/db/migrations/mysql/000126_sharedchannels_remotes_add_deleteat.down.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Skipping it because the forward migrations are destructive
diff --git a/server/channels/db/migrations/mysql/000126_sharedchannels_remotes_add_deleteat.up.sql b/server/channels/db/migrations/mysql/000126_sharedchannels_remotes_add_deleteat.up.sql
deleted file mode 100644
index e0343a248c4..00000000000
--- a/server/channels/db/migrations/mysql/000126_sharedchannels_remotes_add_deleteat.up.sql
+++ /dev/null
@@ -1,44 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'RemoteClusters'
-        AND table_schema = DATABASE()
-        AND index_name = 'remote_clusters_site_url_unique'
-    ) > 0,
-    'DROP INDEX remote_clusters_site_url_unique ON RemoteClusters;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'RemoteClusters'
-        AND table_schema = DATABASE()
-        AND column_name = 'DeleteAt'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE RemoteClusters ADD DeleteAt bigint(20) DEFAULT 0;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SharedChannelRemotes'
-        AND table_schema = DATABASE()
-        AND column_name = 'DeleteAt'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE SharedChannelRemotes ADD DeleteAt bigint(20) DEFAULT 0;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000127_add_mfa_used_ts_to_users.down.sql b/server/channels/db/migrations/mysql/000127_add_mfa_used_ts_to_users.down.sql
deleted file mode 100644
index 2a339e78523..00000000000
--- a/server/channels/db/migrations/mysql/000127_add_mfa_used_ts_to_users.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-ALTER TABLE Users DROP COLUMN MfaUsedTimestamps;
diff --git a/server/channels/db/migrations/mysql/000127_add_mfa_used_ts_to_users.up.sql b/server/channels/db/migrations/mysql/000127_add_mfa_used_ts_to_users.up.sql
deleted file mode 100644
index 8c02b4fdf47..00000000000
--- a/server/channels/db/migrations/mysql/000127_add_mfa_used_ts_to_users.up.sql
+++ /dev/null
@@ -1 +0,0 @@
-ALTER TABLE Users ADD COLUMN MfaUsedTimestamps json NULL;
diff --git a/server/channels/db/migrations/mysql/000128_create_scheduled_posts.down.sql b/server/channels/db/migrations/mysql/000128_create_scheduled_posts.down.sql
deleted file mode 100644
index a09fd376aed..00000000000
--- a/server/channels/db/migrations/mysql/000128_create_scheduled_posts.down.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-DROP TABLE IF EXISTS scheduledposts;
-
-SET @preparedStatement = (SELECT IF(
-	 (
-		 SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-		 WHERE table_name = 'ScheduledPosts'
-		   AND table_schema = DATABASE()
-		   AND index_name = 'idx_scheduledposts_userid_channel_id_scheduled_at'
-	 ) > 0,
-	 'DROP INDEX idx_scheduledposts_userid_channel_id_scheduled_at on ScheduledPosts;',
-	 'SELECT 1;'
- ));
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000128_create_scheduled_posts.up.sql b/server/channels/db/migrations/mysql/000128_create_scheduled_posts.up.sql
deleted file mode 100644
index 021edd5d061..00000000000
--- a/server/channels/db/migrations/mysql/000128_create_scheduled_posts.up.sql
+++ /dev/null
@@ -1,29 +0,0 @@
-CREATE TABLE IF NOT EXISTS ScheduledPosts (
-	id VARCHAR(26) PRIMARY KEY,
-	createat bigint(20),
-	updateat bigint(20),
-	userid VARCHAR(26) NOT NULL,
-	channelid VARCHAR(26) NOT NULL,
-	rootid VARCHAR(26),
-	message text,
-	props text,
-	fileids text,
-	priority text,
-	scheduledat bigint(20) NOT NULL,
-	processedat bigint(20),
-	errorcode VARCHAR(200)
-);
-
-SET @preparedStatement = (SELECT IF(
-	 (
-		 SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-		 WHERE table_name = 'ScheduledPosts'
-		   AND table_schema = DATABASE()
-		   AND index_name = 'idx_scheduledposts_userid_channel_id_scheduled_at'
-	 ) > 0,
-	 'SELECT 1',
-	 'CREATE INDEX idx_scheduledposts_userid_channel_id_scheduled_at ON ScheduledPosts (UserId, ChannelId, ScheduledAt);'
- ));
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000129_add_property_system_architecture.down.sql b/server/channels/db/migrations/mysql/000129_add_property_system_architecture.down.sql
deleted file mode 100644
index 2a84e5a456c..00000000000
--- a/server/channels/db/migrations/mysql/000129_add_property_system_architecture.down.sql
+++ /dev/null
@@ -1,3 +0,0 @@
-DROP TABLE IF EXISTS PropertyGroups;
-DROP TABLE IF EXISTS PropertyFields;
-DROP TABLE IF EXISTS PropertyValues;
diff --git a/server/channels/db/migrations/mysql/000129_add_property_system_architecture.up.sql b/server/channels/db/migrations/mysql/000129_add_property_system_architecture.up.sql
deleted file mode 100644
index 531aae9bd3e..00000000000
--- a/server/channels/db/migrations/mysql/000129_add_property_system_architecture.up.sql
+++ /dev/null
@@ -1,47 +0,0 @@
-CREATE TABLE IF NOT EXISTS PropertyGroups (
-	ID varchar(26) PRIMARY KEY,
-	Name varchar(64) NOT NULL,
-	UNIQUE(Name)
-);
-
-CREATE TABLE IF NOT EXISTS PropertyFields (
-	ID varchar(26) PRIMARY KEY,
-	GroupID varchar(26) NOT NULL,
-	Name varchar(255) NOT NULL,
-	Type enum('text', 'select', 'multiselect', 'date', 'user', 'multiuser'),
-	Attrs json,
-	TargetID varchar(255),
-	TargetType varchar(255),
-	CreateAt bigint(20),
-	UpdateAt bigint(20),
-	DeleteAt bigint(20),
-	UNIQUE(GroupID, TargetID, Name, DeleteAt)
-);
-
-CREATE TABLE IF NOT EXISTS PropertyValues (
-	ID varchar(26) PRIMARY KEY,
-	TargetID varchar(255) NOT NULL,
-	TargetType varchar(255) NOT NULL,
-	GroupID varchar(26) NOT NULL,
-	FieldID varchar(26) NOT NULL,
-	Value json,
-	CreateAt bigint(20),
-	UpdateAt bigint(20),
-	DeleteAt bigint(20),
-	UNIQUE(GroupID, TargetID, FieldID, DeleteAt)
-);
-
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'PropertyValues'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_propertyvalues_targetid_groupid'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_propertyvalues_targetid_groupid ON PropertyValues (TargetID, GroupID);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000130_system_console_stats.down.sql b/server/channels/db/migrations/mysql/000130_system_console_stats.down.sql
deleted file mode 100644
index 20933ebd794..00000000000
--- a/server/channels/db/migrations/mysql/000130_system_console_stats.down.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Nothing to do for MySQL
diff --git a/server/channels/db/migrations/mysql/000130_system_console_stats.up.sql b/server/channels/db/migrations/mysql/000130_system_console_stats.up.sql
deleted file mode 100644
index 20933ebd794..00000000000
--- a/server/channels/db/migrations/mysql/000130_system_console_stats.up.sql
+++ /dev/null
@@ -1 +0,0 @@
--- Nothing to do for MySQL
diff --git a/server/channels/db/migrations/mysql/000131_create_index_pagination_on_property_values.down.sql b/server/channels/db/migrations/mysql/000131_create_index_pagination_on_property_values.down.sql
deleted file mode 100644
index 339619c9817..00000000000
--- a/server/channels/db/migrations/mysql/000131_create_index_pagination_on_property_values.down.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'PropertyValues'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_propertyvalues_create_at_id'
-    ) > 0,
-    'DROP INDEX idx_propertyvalues_create_at_id ON PropertyValues;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000131_create_index_pagination_on_property_values.up.sql b/server/channels/db/migrations/mysql/000131_create_index_pagination_on_property_values.up.sql
deleted file mode 100644
index ec2c8558bb6..00000000000
--- a/server/channels/db/migrations/mysql/000131_create_index_pagination_on_property_values.up.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'PropertyValues'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_propertyvalues_create_at_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_propertyvalues_create_at_id ON PropertyValues(CreateAt, ID);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000132_create_index_pagination_on_property_fields.down.sql b/server/channels/db/migrations/mysql/000132_create_index_pagination_on_property_fields.down.sql
deleted file mode 100644
index 2197078e7c5..00000000000
--- a/server/channels/db/migrations/mysql/000132_create_index_pagination_on_property_fields.down.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'PropertyFields'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_propertyfields_create_at_id'
-    ) > 0,
-    'DROP INDEX idx_propertyfields_create_at_id ON PropertyFields;',
-    'SELECT 1'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000132_create_index_pagination_on_property_fields.up.sql b/server/channels/db/migrations/mysql/000132_create_index_pagination_on_property_fields.up.sql
deleted file mode 100644
index 35295733468..00000000000
--- a/server/channels/db/migrations/mysql/000132_create_index_pagination_on_property_fields.up.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'PropertyFields'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_propertyfields_create_at_id'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_propertyfields_create_at_id ON PropertyFields(CreateAt, ID);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000133_add_channel_banner_fields.down.sql b/server/channels/db/migrations/mysql/000133_add_channel_banner_fields.down.sql
deleted file mode 100644
index af29e755144..00000000000
--- a/server/channels/db/migrations/mysql/000133_add_channel_banner_fields.down.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND column_name = 'BannerInfo'
-    ),
-    'ALTER TABLE Channels DROP COLUMN BannerInfo;',
-    'SELECT 1;'
-));
-
-PREPARE removeColumnIfExists FROM @preparedStatement;
-EXECUTE removeColumnIfExists;
-DEALLOCATE PREPARE removeColumnIfExists;
diff --git a/server/channels/db/migrations/mysql/000133_add_channel_banner_fields.up.sql b/server/channels/db/migrations/mysql/000133_add_channel_banner_fields.up.sql
deleted file mode 100644
index 1dee9c496ad..00000000000
--- a/server/channels/db/migrations/mysql/000133_add_channel_banner_fields.up.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    NOT EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND column_name = 'BannerInfo'
-    ),
-    'ALTER TABLE Channels ADD COLUMN BannerInfo json;',
-    'SELECT 1;'
-));
-
-PREPARE addColumnIfNotExists FROM @preparedStatement;
-EXECUTE addColumnIfNotExists;
-DEALLOCATE PREPARE addColumnIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000134_create_access_control_policies.down.sql b/server/channels/db/migrations/mysql/000134_create_access_control_policies.down.sql
deleted file mode 100644
index 58f450d6809..00000000000
--- a/server/channels/db/migrations/mysql/000134_create_access_control_policies.down.sql
+++ /dev/null
@@ -1,2 +0,0 @@
-DROP TABLE IF EXISTS AccessControlPolicyHistory;
-DROP TABLE IF EXISTS AccessControlPolicies;
diff --git a/server/channels/db/migrations/mysql/000134_create_access_control_policies.up.sql b/server/channels/db/migrations/mysql/000134_create_access_control_policies.up.sql
deleted file mode 100644
index 87d7e328094..00000000000
--- a/server/channels/db/migrations/mysql/000134_create_access_control_policies.up.sql
+++ /dev/null
@@ -1,23 +0,0 @@
-CREATE TABLE IF NOT EXISTS AccessControlPolicies (
-    ID varchar(26) PRIMARY KEY,
-    Name varchar(128) NOT NULL,
-    Type varchar(128) NOT NULL,
-    Active bool NOT NULL,
-    CreateAt bigint(20) NOT NULL,
-    Revision int NOT NULL,
-    Version varchar(8) NOT NULL,
-    Data json,
-    Props json
-);
-
-CREATE TABLE IF NOT EXISTS AccessControlPolicyHistory (
-    ID varchar(26) NOT NULL,
-    Name varchar(128) NOT NULL,
-    Type varchar(128) NOT NULL,
-    CreateAt bigint(20) NOT NULL,
-    Revision int NOT NULL,
-    Version varchar(8) NOT NULL,
-    Data json,
-    Props json,
-    PRIMARY KEY (ID, Revision)
-);
diff --git a/server/channels/db/migrations/mysql/000135_sidebarchannels_categoryid.down.sql b/server/channels/db/migrations/mysql/000135_sidebarchannels_categoryid.down.sql
deleted file mode 100644
index 6e65c84cf42..00000000000
--- a/server/channels/db/migrations/mysql/000135_sidebarchannels_categoryid.down.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'SidebarChannels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_sidebarchannels_categoryid'
-    ) > 0,
-    'SELECT 1',
-    'DROP INDEX idx_sidebarchannels_categoryid ON SidebarChannels;'
-));
-
-PREPARE removeIndexIfExists FROM @preparedStatement;
-EXECUTE removeIndexIfExists;
-DEALLOCATE PREPARE removeIndexIfExists;
diff --git a/server/channels/db/migrations/mysql/000135_sidebarchannels_categoryid.up.sql b/server/channels/db/migrations/mysql/000135_sidebarchannels_categoryid.up.sql
deleted file mode 100644
index 4e4584ac639..00000000000
--- a/server/channels/db/migrations/mysql/000135_sidebarchannels_categoryid.up.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'SidebarChannels'
-        AND table_schema = DATABASE()
-        AND index_name = 'idx_sidebarchannels_categoryid'
-    ) > 0,
-    'SELECT 1',
-    'CREATE INDEX idx_sidebarchannels_categoryid ON SidebarChannels(CategoryId);'
-));
-
-PREPARE createIndexIfNotExists FROM @preparedStatement;
-EXECUTE createIndexIfNotExists;
-DEALLOCATE PREPARE createIndexIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000136_create_attribute_view.down.sql b/server/channels/db/migrations/mysql/000136_create_attribute_view.down.sql
deleted file mode 100644
index 65bde78cc2e..00000000000
--- a/server/channels/db/migrations/mysql/000136_create_attribute_view.down.sql
+++ /dev/null
@@ -1 +0,0 @@
-DROP VIEW IF EXISTS AttributeView;
diff --git a/server/channels/db/migrations/mysql/000136_create_attribute_view.up.sql b/server/channels/db/migrations/mysql/000136_create_attribute_view.up.sql
deleted file mode 100644
index 17d1fd774d1..00000000000
--- a/server/channels/db/migrations/mysql/000136_create_attribute_view.up.sql
+++ /dev/null
@@ -1,11 +0,0 @@
-CREATE OR REPLACE VIEW AttributeView AS
-  SELECT
-       pv.GroupID,
-       pv.TargetID,
-       pv.TargetType,
-       JSON_OBJECTAGG(pf.Name, pv.Value)
-  AS Attributes
-  FROM PropertyValues pv
-  LEFT JOIN PropertyFields pf ON pf.ID = pv.FieldID
-  GROUP BY GroupID, TargetID, TargetType;
-  
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000137_update_attribute_view.down.sql b/server/channels/db/migrations/mysql/000137_update_attribute_view.down.sql
deleted file mode 100644
index edb1f7ee2a1..00000000000
--- a/server/channels/db/migrations/mysql/000137_update_attribute_view.down.sql
+++ /dev/null
@@ -1 +0,0 @@
--- This is no-op migration for MySQL.
diff --git a/server/channels/db/migrations/mysql/000137_update_attribute_view.up.sql b/server/channels/db/migrations/mysql/000137_update_attribute_view.up.sql
deleted file mode 100644
index edb1f7ee2a1..00000000000
--- a/server/channels/db/migrations/mysql/000137_update_attribute_view.up.sql
+++ /dev/null
@@ -1 +0,0 @@
--- This is no-op migration for MySQL.
diff --git a/server/channels/db/migrations/mysql/000138_add_default_category_name_to_channel.down.sql b/server/channels/db/migrations/mysql/000138_add_default_category_name_to_channel.down.sql
deleted file mode 100644
index d45eb09e1e3..00000000000
--- a/server/channels/db/migrations/mysql/000138_add_default_category_name_to_channel.down.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.STATISTICS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND column_name = 'DefaultCategoryName'
-    ),
-    'ALTER TABLE Channels DROP COLUMN DefaultCategoryName;',
-    'SELECT 1;'
-));
-
-PREPARE removeColumnIfExists FROM @preparedStatement;
-EXECUTE removeColumnIfExists;
-DEALLOCATE PREPARE removeColumnIfExists;
diff --git a/server/channels/db/migrations/mysql/000138_add_default_category_name_to_channel.up.sql b/server/channels/db/migrations/mysql/000138_add_default_category_name_to_channel.up.sql
deleted file mode 100644
index 384439d30c8..00000000000
--- a/server/channels/db/migrations/mysql/000138_add_default_category_name_to_channel.up.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    NOT EXISTS(
-        SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'Channels'
-        AND table_schema = DATABASE()
-        AND column_name = 'DefaultCategoryName'
-    ),
-    'ALTER TABLE Channels ADD COLUMN DefaultCategoryName varchar(64) NOT NULL DEFAULT "";',
-    'SELECT 1;'
-));
-
-PREPARE addColumnIfNotExists FROM @preparedStatement;
-EXECUTE addColumnIfNotExists;
-DEALLOCATE PREPARE addColumnIfNotExists;
diff --git a/server/channels/db/migrations/mysql/000139_remoteclusters_add_last_global_user_sync_at.down.sql b/server/channels/db/migrations/mysql/000139_remoteclusters_add_last_global_user_sync_at.down.sql
deleted file mode 100644
index 1db26728db3..00000000000
--- a/server/channels/db/migrations/mysql/000139_remoteclusters_add_last_global_user_sync_at.down.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE TABLE_SCHEMA = DATABASE()
-        AND TABLE_NAME = 'RemoteClusters'
-        AND COLUMN_NAME = 'LastGlobalUserSyncAt'
-    ) > 0,
-    'ALTER TABLE RemoteClusters DROP COLUMN LastGlobalUserSyncAt',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000139_remoteclusters_add_last_global_user_sync_at.up.sql b/server/channels/db/migrations/mysql/000139_remoteclusters_add_last_global_user_sync_at.up.sql
deleted file mode 100644
index 2eae2a93e53..00000000000
--- a/server/channels/db/migrations/mysql/000139_remoteclusters_add_last_global_user_sync_at.up.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE TABLE_SCHEMA = DATABASE()
-        AND TABLE_NAME = 'RemoteClusters'
-        AND COLUMN_NAME = 'LastGlobalUserSyncAt'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE RemoteClusters ADD COLUMN LastGlobalUserSyncAt bigint DEFAULT 0'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000140_add_lastmemberssyncat_to_sharedchannelremotes.down.sql b/server/channels/db/migrations/mysql/000140_add_lastmemberssyncat_to_sharedchannelremotes.down.sql
deleted file mode 100644
index ca804f16db5..00000000000
--- a/server/channels/db/migrations/mysql/000140_add_lastmemberssyncat_to_sharedchannelremotes.down.sql
+++ /dev/null
@@ -1,29 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SharedChannelRemotes'
-        AND table_schema = DATABASE()
-        AND column_name = 'LastMembersSyncAt'
-    ) > 0,
-    'ALTER TABLE SharedChannelRemotes DROP COLUMN LastMembersSyncAt;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement2 = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SharedChannelUsers'
-        AND table_schema = DATABASE()
-        AND column_name = 'LastMembershipSyncAt'
-    ) > 0,
-    'ALTER TABLE SharedChannelUsers DROP COLUMN LastMembershipSyncAt;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists2 FROM @preparedStatement2;
-EXECUTE alterIfExists2;
-DEALLOCATE PREPARE alterIfExists2;
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000140_add_lastmemberssyncat_to_sharedchannelremotes.up.sql b/server/channels/db/migrations/mysql/000140_add_lastmemberssyncat_to_sharedchannelremotes.up.sql
deleted file mode 100644
index 66433b228da..00000000000
--- a/server/channels/db/migrations/mysql/000140_add_lastmemberssyncat_to_sharedchannelremotes.up.sql
+++ /dev/null
@@ -1,29 +0,0 @@
-SET @preparedStatement = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SharedChannelRemotes'
-        AND table_schema = DATABASE()
-        AND column_name = 'LastMembersSyncAt'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE SharedChannelRemotes ADD LastMembersSyncAt bigint DEFAULT 0;'
-));
-
-PREPARE alterIfNotExists FROM @preparedStatement;
-EXECUTE alterIfNotExists;
-DEALLOCATE PREPARE alterIfNotExists;
-
-SET @preparedStatement2 = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'SharedChannelUsers'
-        AND table_schema = DATABASE()
-        AND column_name = 'LastMembershipSyncAt'
-    ) > 0,
-    'SELECT 1',
-    'ALTER TABLE SharedChannelUsers ADD LastMembershipSyncAt bigint DEFAULT 0;'
-));
-
-PREPARE alterIfNotExists2 FROM @preparedStatement2;
-EXECUTE alterIfNotExists2;
-DEALLOCATE PREPARE alterIfNotExists2;
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000141_add_remoteid_channelid_to_post_acknowledgements.down.sql b/server/channels/db/migrations/mysql/000141_add_remoteid_channelid_to_post_acknowledgements.down.sql
deleted file mode 100644
index 2e5577f6e52..00000000000
--- a/server/channels/db/migrations/mysql/000141_add_remoteid_channelid_to_post_acknowledgements.down.sql
+++ /dev/null
@@ -1,29 +0,0 @@
-SET @preparedStatement1 = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'PostAcknowledgements'
-        AND table_schema = DATABASE()
-        AND column_name = 'RemoteId'
-    ) > 0,
-    'ALTER TABLE PostAcknowledgements DROP COLUMN RemoteId;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement1;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
-
-SET @preparedStatement2 = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'PostAcknowledgements'
-        AND table_schema = DATABASE()
-        AND column_name = 'ChannelId'
-    ) > 0,
-    'ALTER TABLE PostAcknowledgements DROP COLUMN ChannelId;',
-    'SELECT 1'
-));
-
-PREPARE alterIfExists FROM @preparedStatement2;
-EXECUTE alterIfExists;
-DEALLOCATE PREPARE alterIfExists;
\ No newline at end of file
diff --git a/server/channels/db/migrations/mysql/000141_add_remoteid_channelid_to_post_acknowledgements.up.sql b/server/channels/db/migrations/mysql/000141_add_remoteid_channelid_to_post_acknowledgements.up.sql
deleted file mode 100644
index 83508956464..00000000000
--- a/server/channels/db/migrations/mysql/000141_add_remoteid_channelid_to_post_acknowledgements.up.sql
+++ /dev/null
@@ -1,29 +0,0 @@
-SET @preparedStatement1 = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'PostAcknowledgements'
-        AND table_schema = DATABASE()
-        AND column_name = 'RemoteId'
-    ) > 0,
-    'SELECT 1;',
-    'ALTER TABLE PostAcknowledgements ADD COLUMN RemoteId varchar(26) DEFAULT \'\';'
-));
-
-PREPARE addColumnIfNotExists FROM @preparedStatement1;
-EXECUTE addColumnIfNotExists;
-DEALLOCATE PREPARE addColumnIfNotExists;
-
-SET @preparedStatement2 = (SELECT IF(
-    (
-        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-        WHERE table_name = 'PostAcknowledgements'
-        AND table_schema = DATABASE()
-        AND column_name = 'ChannelId'
-    ) > 0,
-    'SELECT 1;',
-    'ALTER TABLE PostAcknowledgements ADD COLUMN ChannelId varchar(26) DEFAULT \'\';'
-));
-
-PREPARE addColumnIfNotExists FROM @preparedStatement2;
-EXECUTE addColumnIfNotExists;
-DEALLOCATE PREPARE addColumnIfNotExists;
\ No newline at end of file
diff --git a/server/channels/store/layer_generators/retry_layer.go.tmpl b/server/channels/store/layer_generators/retry_layer.go.tmpl
index bb6d69e4d82..acdfe11df7d 100644
--- a/server/channels/store/layer_generators/retry_layer.go.tmpl
+++ b/server/channels/store/layer_generators/retry_layer.go.tmpl
@@ -10,7 +10,6 @@ import (
 	"context"
 	timepkg "time"
 
-	"github.com/go-sql-driver/mysql"
 	"github.com/lib/pq"
 	"github.com/pkg/errors"
 
@@ -19,8 +18,6 @@ import (
 	"github.com/mattermost/mattermost/server/v8/channels/store"
 )
 
-const mySQLDeadlockCode = uint16(1213)
-
 type {{.Name}} struct {
 	store.Store
 {{range $index, $element := .SubStores}}	{{$index}}Store store.{{$index}}Store
@@ -42,16 +39,11 @@ type {{.Name}} struct {
 
 func isRepeatableError(err error) bool {
 	var pqErr *pq.Error
-	var mysqlErr *mysql.MySQLError
 	switch {
 	case errors.As(errors.Cause(err), &pqErr):
 		if pqErr.Code == "40001" || pqErr.Code == "40P01" {
 			return true
 		}
-	case errors.As(errors.Cause(err), &mysqlErr):
-		if mysqlErr.Number == mySQLDeadlockCode {
-			return true
-		}
 	}
 	return false
 }
diff --git a/server/channels/store/localcachelayer/layer_test.go b/server/channels/store/localcachelayer/layer_test.go
index 7819ce8fba1..4541a651f32 100644
--- a/server/channels/store/localcachelayer/layer_test.go
+++ b/server/channels/store/localcachelayer/layer_test.go
@@ -4,7 +4,6 @@
 package localcachelayer
 
 import (
-	"os"
 	"sync"
 	"testing"
 
@@ -33,7 +32,7 @@ var storeTypes []*storeType
 func newStoreType(name, driver string) *storeType {
 	return &storeType{
 		Name:        name,
-		SqlSettings: storetest.MakeSqlSettings(driver, false),
+		SqlSettings: storetest.MakeSqlSettings(driver),
 	}
 }
 
@@ -80,19 +79,7 @@ func initStores(logger mlog.LoggerIFace) {
 		return
 	}
 
-	// In CI, we already run the entire test suite for both mysql and postgres in parallel.
-	// So we just run the tests for the current database set.
-	if os.Getenv("IS_CI") == "true" {
-		switch os.Getenv("MM_SQLSETTINGS_DRIVERNAME") {
-		case "mysql":
-			storeTypes = append(storeTypes, newStoreType("LocalCache+MySQL", model.DatabaseDriverMysql))
-		case "postgres":
-			storeTypes = append(storeTypes, newStoreType("LocalCache+PostgreSQL", model.DatabaseDriverPostgres))
-		}
-	} else {
-		storeTypes = append(storeTypes, newStoreType("LocalCache+MySQL", model.DatabaseDriverMysql),
-			newStoreType("LocalCache+PostgreSQL", model.DatabaseDriverPostgres))
-	}
+	storeTypes = append(storeTypes, newStoreType("LocalCache+PostgreSQL", model.DatabaseDriverPostgres))
 
 	defer func() {
 		if err := recover(); err != nil {
diff --git a/server/channels/store/retrylayer/retrylayer.go b/server/channels/store/retrylayer/retrylayer.go
index ef5ebaeac81..a9db88f8f70 100644
--- a/server/channels/store/retrylayer/retrylayer.go
+++ b/server/channels/store/retrylayer/retrylayer.go
@@ -10,7 +10,6 @@ import (
 	"context"
 	timepkg "time"
 
-	"github.com/go-sql-driver/mysql"
 	"github.com/lib/pq"
 	"github.com/pkg/errors"
 
@@ -19,8 +18,6 @@ import (
 	"github.com/mattermost/mattermost/server/v8/channels/store"
 )
 
-const mySQLDeadlockCode = uint16(1213)
-
 type RetryLayer struct {
 	store.Store
 	AccessControlPolicyStore        store.AccessControlPolicyStore
@@ -537,16 +534,11 @@ type RetryLayerWebhookStore struct {
 
 func isRepeatableError(err error) bool {
 	var pqErr *pq.Error
-	var mysqlErr *mysql.MySQLError
 	switch {
 	case errors.As(errors.Cause(err), &pqErr):
 		if pqErr.Code == "40001" || pqErr.Code == "40P01" {
 			return true
 		}
-	case errors.As(errors.Cause(err), &mysqlErr):
-		if mysqlErr.Number == mySQLDeadlockCode {
-			return true
-		}
 	}
 	return false
 }
diff --git a/server/channels/store/retrylayer/retrylayer_test.go b/server/channels/store/retrylayer/retrylayer_test.go
index 84cb02c7219..6c648bb219b 100644
--- a/server/channels/store/retrylayer/retrylayer_test.go
+++ b/server/channels/store/retrylayer/retrylayer_test.go
@@ -6,7 +6,6 @@ package retrylayer
 import (
 	"testing"
 
-	"github.com/go-sql-driver/mysql"
 	"github.com/lib/pq"
 	"github.com/pkg/errors"
 
@@ -90,26 +89,6 @@ func TestRetry(t *testing.T) {
 		layer.Bot().Get("test", false)
 		mockBotStore.AssertExpectations(t)
 	})
-	t.Run("on mysql repeatable error should retry", func(t *testing.T) {
-		mock := genStore()
-		mockBotStore := mock.Bot().(*mocks.BotStore)
-		mysqlErr := mysql.MySQLError{Number: uint16(1213), Message: "Deadlock"}
-		mockBotStore.On("Get", "test", false).Return(nil, errors.Wrap(&mysqlErr, "test-error")).Times(3)
-		mock.On("Bot").Return(&mockBotStore)
-		layer := New(mock)
-		layer.Bot().Get("test", false)
-		mockBotStore.AssertExpectations(t)
-	})
-	t.Run("on mysql not repeatable error should not retry", func(t *testing.T) {
-		mock := genStore()
-		mockBotStore := mock.Bot().(*mocks.BotStore)
-		mysqlErr := mysql.MySQLError{Number: uint16(1000), Message: "Not repeatable error"}
-		mockBotStore.On("Get", "test", false).Return(nil, errors.Wrap(&mysqlErr, "test-error")).Times(1)
-		mock.On("Bot").Return(&mockBotStore)
-		layer := New(mock)
-		layer.Bot().Get("test", false)
-		mockBotStore.AssertExpectations(t)
-	})
 
 	t.Run("on postgres repeatable error should retry", func(t *testing.T) {
 		for _, errCode := range []string{"40001", "40P01"} {
diff --git a/server/channels/store/searchlayer/layer_test.go b/server/channels/store/searchlayer/layer_test.go
index 2b961793109..49d827e2393 100644
--- a/server/channels/store/searchlayer/layer_test.go
+++ b/server/channels/store/searchlayer/layer_test.go
@@ -27,7 +27,7 @@ func TestUpdateConfigRace(t *testing.T) {
 	if driverName == "" {
 		driverName = model.DatabaseDriverPostgres
 	}
-	settings := storetest.MakeSqlSettings(driverName, false)
+	settings := storetest.MakeSqlSettings(driverName)
 	store, err := sqlstore.New(*settings, logger, nil, sqlstore.DisableMorphLogging())
 	require.NoError(t, err)
 
diff --git a/server/channels/store/searchtest/channel_layer.go b/server/channels/store/searchtest/channel_layer.go
index c76d217a757..76e8eed0ef6 100644
--- a/server/channels/store/searchtest/channel_layer.go
+++ b/server/channels/store/searchtest/channel_layer.go
@@ -17,7 +17,7 @@ var searchChannelStoreTests = []searchTest{
 	{
 		Name: "Should be able to autocomplete a channel by name",
 		Fn:   testAutocompleteChannelByName,
-		Tags: []string{EngineMySQL, EngineElasticSearch, EngineBleve},
+		Tags: []string{EngineElasticSearch, EngineBleve},
 	},
 	{
 		Name: "Should be able to autocomplete a channel by name (Postgres)",
@@ -32,7 +32,7 @@ var searchChannelStoreTests = []searchTest{
 	{
 		Name: "Should be able to autocomplete a channel by a part of its name when has parts splitted by - character",
 		Fn:   testAutocompleteChannelByNameSplittedWithDashChar,
-		Tags: []string{EngineMySQL, EngineElasticSearch, EngineBleve},
+		Tags: []string{EngineElasticSearch, EngineBleve},
 	},
 	{
 		Name: "Should be able to autocomplete a channel by a part of its name when has parts splitted by - character (Postgres)",
@@ -42,12 +42,12 @@ var searchChannelStoreTests = []searchTest{
 	{
 		Name: "Should be able to autocomplete a channel by a part of its name when has parts splitted by _ character",
 		Fn:   testAutocompleteChannelByNameSplittedWithUnderscoreChar,
-		Tags: []string{EngineMySQL, EngineElasticSearch, EngineBleve},
+		Tags: []string{EngineElasticSearch, EngineBleve},
 	},
 	{
 		Name: "Should be able to autocomplete a channel by a part of its display name when has parts splitted by whitespace character",
 		Fn:   testAutocompleteChannelByDisplayNameSplittedByWhitespaces,
-		Tags: []string{EngineMySQL, EngineElasticSearch, EngineBleve},
+		Tags: []string{EngineElasticSearch, EngineBleve},
 	},
 	{
 		Name: "Should be able to autocomplete retrieving all channels if the term is empty",
@@ -57,7 +57,7 @@ var searchChannelStoreTests = []searchTest{
 	{
 		Name: "Should be able to autocomplete channels in a case insensitive manner",
 		Fn:   testSearchChannelsInCaseInsensitiveManner,
-		Tags: []string{EngineMySQL, EngineElasticSearch, EngineBleve},
+		Tags: []string{EngineElasticSearch, EngineBleve},
 	},
 	{
 		Name: "Should be able to autocomplete channels in a case insensitive manner (Postgres)",
diff --git a/server/channels/store/searchtest/file_info_layer.go b/server/channels/store/searchtest/file_info_layer.go
index a83974e20b9..6705cfe6f09 100644
--- a/server/channels/store/searchtest/file_info_layer.go
+++ b/server/channels/store/searchtest/file_info_layer.go
@@ -28,7 +28,7 @@ var searchFileInfoStoreTests = []searchTest{
 	{
 		Name: "Should be able to search for exact phrases in quotes",
 		Fn:   testFileInfoSearchExactPhraseInQuotes,
-		Tags: []string{EnginePostgres, EngineMySQL, EngineElasticSearch},
+		Tags: []string{EnginePostgres, EngineElasticSearch},
 	},
 	{
 		Name: "Should be able to search for email addresses with or without quotes",
@@ -93,12 +93,12 @@ var searchFileInfoStoreTests = []searchTest{
 	{
 		Name: "Should be able to exclude messages that contain a search term",
 		Fn:   testFileInfoFilterFilesWithATerm,
-		Tags: []string{EngineMySQL, EnginePostgres},
+		Tags: []string{EnginePostgres},
 	},
 	{
 		Name: "Should be able to search using boolean operators",
 		Fn:   testFileInfoSearchUsingBooleanOperators,
-		Tags: []string{EngineMySQL, EnginePostgres, EngineElasticSearch},
+		Tags: []string{EnginePostgres, EngineElasticSearch},
 	},
 	{
 		Name: "Should be able to search with combined filters",
@@ -108,7 +108,7 @@ var searchFileInfoStoreTests = []searchTest{
 	{
 		Name: "Should be able to ignore stop words",
 		Fn:   testFileInfoSearchIgnoringStopWords,
-		Tags: []string{EngineMySQL, EngineElasticSearch},
+		Tags: []string{EngineElasticSearch},
 	},
 	{
 		Name: "Should support search stemming",
@@ -139,12 +139,12 @@ var searchFileInfoStoreTests = []searchTest{
 	{
 		Name: "Should support terms with underscore",
 		Fn:   testFileInfoSupportTermsWithUnderscore,
-		Tags: []string{EngineMySQL, EngineElasticSearch},
+		Tags: []string{EngineElasticSearch},
 	},
 	{
 		Name: "Should be able to search in deleted/archived channels",
 		Fn:   testFileInfoSearchInDeletedOrArchivedChannels,
-		Tags: []string{EngineMySQL, EnginePostgres},
+		Tags: []string{EnginePostgres},
 	},
 	{
 		Name:        "Should be able to search terms with dashes",
@@ -161,7 +161,7 @@ var searchFileInfoStoreTests = []searchTest{
 	{
 		Name: "Should be able to search terms with underscores",
 		Fn:   testFileInfoSearchTermsWithUnderscores,
-		Tags: []string{EngineMySQL, EngineElasticSearch},
+		Tags: []string{EngineElasticSearch},
 	},
 	{
 		Name: "Should be able to combine stemming and wildcards",
@@ -176,7 +176,7 @@ var searchFileInfoStoreTests = []searchTest{
 	{
 		Name: "Should not support slash as character separator",
 		Fn:   testFileInfoSlashShouldNotBeCharSeparator,
-		Tags: []string{EngineMySQL, EngineElasticSearch},
+		Tags: []string{EngineElasticSearch},
 	},
 	{
 		Name: "Should be able to search emails without quoting them",
@@ -191,12 +191,12 @@ var searchFileInfoStoreTests = []searchTest{
 	{
 		Name: "Should not search files not attached to a post",
 		Fn:   testFileInfoSearchNoResultForPostlessFileInfos,
-		Tags: []string{EnginePostgres, EngineMySQL},
+		Tags: []string{EnginePostgres},
 	},
 	{
 		Name: "Should search files part of channel bookmarks",
 		Fn:   testFileInfoSearchShowChannelBookmarkFiles,
-		Tags: []string{EnginePostgres, EngineMySQL, EngineElasticSearch},
+		Tags: []string{EnginePostgres, EngineElasticSearch},
 	},
 	{
 		Name: "Should search files across teams",
diff --git a/server/channels/store/searchtest/post_layer.go b/server/channels/store/searchtest/post_layer.go
index f28196ad106..481112aad5e 100644
--- a/server/channels/store/searchtest/post_layer.go
+++ b/server/channels/store/searchtest/post_layer.go
@@ -33,12 +33,12 @@ var searchPostStoreTests = []searchTest{
 	{
 		Name: "Should be able to search for quoted patterns with AND OR combinations",
 		Fn:   testSearchANDORQuotesCombinations,
-		Tags: []string{EnginePostgres, EngineMySQL, EngineElasticSearch},
+		Tags: []string{EnginePostgres, EngineElasticSearch},
 	},
 	{
 		Name: "Should be able to search without stemming",
 		Fn:   testStemming,
-		Tags: []string{EnginePostgres, EngineMySQL},
+		Tags: []string{EnginePostgres},
 	},
 	{
 		// Postgres supports search with and without quotes
@@ -50,7 +50,7 @@ var searchPostStoreTests = []searchTest{
 		// MySql supports search with quotes only
 		Name: "Should be able to search for email addresses with quotes",
 		Fn:   testSearchEmailAddressesWithQuotes,
-		Tags: []string{EngineMySQL},
+		Tags: []string{EngineElasticSearch},
 	},
 	{
 		Name: "Should be able to search when markdown underscores are applied",
@@ -105,12 +105,12 @@ var searchPostStoreTests = []searchTest{
 	{
 		Name: "Should be able to exclude messages that contain a search term",
 		Fn:   testFilterMessagesWithATerm,
-		Tags: []string{EngineMySQL, EnginePostgres},
+		Tags: []string{EnginePostgres},
 	},
 	{
 		Name: "Should be able to search using boolean operators",
 		Fn:   testSearchUsingBooleanOperators,
-		Tags: []string{EngineMySQL, EnginePostgres, EngineElasticSearch},
+		Tags: []string{EnginePostgres, EngineElasticSearch},
 	},
 	{
 		Name: "Should be able to search with combined filters",
@@ -120,7 +120,7 @@ var searchPostStoreTests = []searchTest{
 	{
 		Name: "Should be able to ignore stop words",
 		Fn:   testSearchIgnoringStopWords,
-		Tags: []string{EngineMySQL, EngineElasticSearch},
+		Tags: []string{EngineElasticSearch},
 	},
 	{
 		Name: "Should support search stemming",
@@ -151,7 +151,7 @@ var searchPostStoreTests = []searchTest{
 	{
 		Name: "Should support terms with underscore",
 		Fn:   testSupportTermsWithUnderscore,
-		Tags: []string{EngineMySQL, EngineElasticSearch},
+		Tags: []string{EngineElasticSearch},
 	},
 	{
 		Name: "Should search or exclude post using hashtags",
@@ -216,7 +216,7 @@ var searchPostStoreTests = []searchTest{
 	{
 		Name: "Should be able to search in deleted/archived channels",
 		Fn:   testSearchInDeletedOrArchivedChannels,
-		Tags: []string{EngineMySQL, EnginePostgres},
+		Tags: []string{EnginePostgres},
 	},
 	{
 		Name:        "Should be able to search terms with dashes",
@@ -233,7 +233,7 @@ var searchPostStoreTests = []searchTest{
 	{
 		Name: "Should be able to search terms with underscores",
 		Fn:   testSearchTermsWithUnderscores,
-		Tags: []string{EngineMySQL, EngineElasticSearch},
+		Tags: []string{EngineElasticSearch},
 	},
 	{
 		Name: "Should be able to search posts made by bot accounts",
@@ -258,7 +258,7 @@ var searchPostStoreTests = []searchTest{
 	{
 		Name: "Should not support slash as character separator",
 		Fn:   testSlashShouldNotBeCharSeparator,
-		Tags: []string{EngineMySQL, EngineElasticSearch},
+		Tags: []string{EngineElasticSearch},
 	},
 	{
 		Name: "Should be able to search in comments",
@@ -268,7 +268,7 @@ var searchPostStoreTests = []searchTest{
 	{
 		Name: "Should be able to search terms within links",
 		Fn:   testSupportSearchTermsWithinLinks,
-		Tags: []string{EngineMySQL, EngineElasticSearch},
+		Tags: []string{EngineElasticSearch},
 	},
 	{
 		Name: "Should not return links that are embedded in markdown",
diff --git a/server/channels/store/searchtest/testlib.go b/server/channels/store/searchtest/testlib.go
index bab2dfbf375..720d5008ebb 100644
--- a/server/channels/store/searchtest/testlib.go
+++ b/server/channels/store/searchtest/testlib.go
@@ -12,7 +12,6 @@ import (
 
 const (
 	EngineAll           = "all"
-	EngineMySQL         = "mysql"
 	EnginePostgres      = "postgres"
 	EngineElasticSearch = "elasticsearch"
 	EngineBleve         = "bleve"
diff --git a/server/channels/store/searchtest/user_layer.go b/server/channels/store/searchtest/user_layer.go
index d91ad800829..d2fce935292 100644
--- a/server/channels/store/searchtest/user_layer.go
+++ b/server/channels/store/searchtest/user_layer.go
@@ -96,12 +96,12 @@ var searchUserStoreTests = []searchTest{
 	{
 		Name: "Should be able to search inactive users",
 		Fn:   testShouldBeAbleToSearchInactiveUsers,
-		Tags: []string{EngineMySQL, EnginePostgres, EngineElasticSearch},
+		Tags: []string{EnginePostgres, EngineElasticSearch},
 	},
 	{
 		Name: "Should be able to search filtering by role",
 		Fn:   testShouldBeAbleToSearchFilteringByRole,
-		Tags: []string{EngineMySQL, EnginePostgres, EngineElasticSearch},
+		Tags: []string{EnginePostgres, EngineElasticSearch},
 	},
 	{
 		Name: "Should ignore leading @ when searching users",
diff --git a/server/channels/store/sqlstore/attributes_store.go b/server/channels/store/sqlstore/attributes_store.go
index def3a95f187..fbdc0598641 100644
--- a/server/channels/store/sqlstore/attributes_store.go
+++ b/server/channels/store/sqlstore/attributes_store.go
@@ -117,31 +117,18 @@ func (s *SqlAttributesStore) SearchUsers(rctx request.CTX, opts model.SubjectSea
 
 	if opts.TeamID != "" {
 		argCount++
-		if s.DriverName() == model.DatabaseDriverMysql {
-			query = query.Where("Users.Id IN (SELECT UserId FROM TeamMembers WHERE TeamId = ? AND DeleteAt = 0)", opts.TeamID)
-			count = count.Where("Users.Id IN (SELECT UserId FROM TeamMembers WHERE TeamId = ? AND DeleteAt = 0)", opts.TeamID)
-		} else {
-			query = query.Where(sq.Expr(fmt.Sprintf("Users.Id IN (SELECT UserId FROM TeamMembers WHERE TeamId = $%d AND DeleteAt = 0)", argCount), opts.TeamID))
-			count = count.Where(sq.Expr(fmt.Sprintf("Users.Id IN (SELECT UserId FROM TeamMembers WHERE TeamId = $%d AND DeleteAt = 0)", argCount), opts.TeamID))
-		}
+		query = query.Where(sq.Expr(fmt.Sprintf("Users.Id IN (SELECT UserId FROM TeamMembers WHERE TeamId = $%d AND DeleteAt = 0)", argCount), opts.TeamID))
+		count = count.Where(sq.Expr(fmt.Sprintf("Users.Id IN (SELECT UserId FROM TeamMembers WHERE TeamId = $%d AND DeleteAt = 0)", argCount), opts.TeamID))
 	}
 
 	if opts.ExcludeChannelMembers != "" {
 		argCount++
-		if s.DriverName() == model.DatabaseDriverMysql {
-			query = query.Where(sq.Expr("NOT EXISTS (SELECT 1 FROM ChannelMembers WHERE ChannelMembers.UserId = Users.Id AND ChannelMembers.ChannelId = ?)", opts.ExcludeChannelMembers))
-		} else {
-			query = query.Where(sq.Expr(fmt.Sprintf("NOT EXISTS (SELECT 1 FROM ChannelMembers WHERE ChannelMembers.UserId = Users.Id AND ChannelMembers.ChannelId = $%d)", argCount), opts.ExcludeChannelMembers))
-		}
+		query = query.Where(sq.Expr(fmt.Sprintf("NOT EXISTS (SELECT 1 FROM ChannelMembers WHERE ChannelMembers.UserId = Users.Id AND ChannelMembers.ChannelId = $%d)", argCount), opts.ExcludeChannelMembers))
 	}
 
 	if opts.Cursor.TargetID != "" {
 		argCount++
-		if s.DriverName() == model.DatabaseDriverMysql {
-			query = query.Where(sq.Expr("TargetID > ?", opts.Cursor.TargetID))
-		} else {
-			query = query.Where(sq.Expr(fmt.Sprintf("TargetID > $%d", argCount), opts.Cursor.TargetID))
-		}
+		query = query.Where(sq.Expr(fmt.Sprintf("TargetID > $%d", argCount), opts.Cursor.TargetID))
 	}
 
 	searchFields := make([]string, 0, len(UserSearchTypeNames))
@@ -191,12 +178,8 @@ func (s *SqlAttributesStore) GetChannelMembersToRemove(rctx request.CTX, channel
 
 	argCount := len(opts.Args)
 
-	if s.DriverName() == model.DatabaseDriverMysql {
-		query = query.Where(sq.Eq{"ChannelMembers.ChannelId": channelID})
-	} else {
-		argCount++
-		query = query.Where(sq.Expr(fmt.Sprintf("ChannelMembers.ChannelId = $%d", argCount), channelID))
-	}
+	argCount++
+	query = query.Where(sq.Expr(fmt.Sprintf("ChannelMembers.ChannelId = $%d", argCount), channelID))
 
 	if opts.Limit > 0 {
 		query = query.Limit(uint64(opts.Limit))
@@ -206,11 +189,7 @@ func (s *SqlAttributesStore) GetChannelMembersToRemove(rctx request.CTX, channel
 
 	if opts.Cursor.TargetID != "" {
 		argCount++
-		if s.DriverName() == model.DatabaseDriverMysql {
-			query = query.Where(sq.Expr("ChannelMembers.UserId > ?", opts.Cursor.TargetID))
-		} else {
-			query = query.Where(sq.Expr(fmt.Sprintf("ChannelMembers.UserId > $%d", argCount), opts.Cursor.TargetID))
-		}
+		query = query.Where(sq.Expr(fmt.Sprintf("ChannelMembers.UserId > $%d", argCount), opts.Cursor.TargetID))
 	}
 
 	q, args, err := query.ToSql()
diff --git a/server/channels/store/sqlstore/channel_member_history_store.go b/server/channels/store/sqlstore/channel_member_history_store.go
index 5d1d09fc2c6..89a7e5cff16 100644
--- a/server/channels/store/sqlstore/channel_member_history_store.go
+++ b/server/channels/store/sqlstore/channel_member_history_store.go
@@ -248,6 +248,7 @@ func (s SqlChannelMemberHistoryStore) PermanentDeleteBatchForRetentionPolicies(r
 
 // DeleteOrphanedRows removes entries from ChannelMemberHistory when a corresponding channel no longer exists.
 func (s SqlChannelMemberHistoryStore) DeleteOrphanedRows(limit int) (deleted int64, err error) {
+	// TODO: https://mattermost.atlassian.net/browse/MM-63368
 	// We need the extra level of nesting to deal with MySQL's locking
 	const query = `
 	DELETE FROM ChannelMemberHistory WHERE (ChannelId, UserId, JoinTime) IN (
diff --git a/server/channels/store/sqlstore/channel_store.go b/server/channels/store/sqlstore/channel_store.go
index d027d4d9f9a..bf029e277ad 100644
--- a/server/channels/store/sqlstore/channel_store.go
+++ b/server/channels/store/sqlstore/channel_store.go
@@ -565,38 +565,19 @@ func (s SqlChannelStore) upsertPublicChannelT(transaction *sqlxTxWrapper, channe
 		"purpose":     publicChannel.Purpose,
 	}
 	var err error
-	if s.DriverName() == model.DatabaseDriverMysql {
-		_, err = transaction.NamedExec(`
-			INSERT INTO
-			    PublicChannels(Id, DeleteAt, TeamId, DisplayName, Name, Header, Purpose)
-			VALUES
-			    (:id, :deleteat, :teamid, :displayname, :name, :header, :purpose)
-		`, vals)
-		if err != nil && IsUniqueConstraintError(err, []string{"PRIMARY"}) {
-			_, err = transaction.NamedExec(`UPDATE PublicChannels
-				SET deleteAt = :deleteat,
-			    TeamId = :teamid,
-			    DisplayName = :displayname,
-			    Name = :name,
-			    Header = :header,
-			    Purpose = :purpose
-			    WHERE Id=:id`, vals)
-		}
-	} else {
-		_, err = transaction.NamedExec(`
-			INSERT INTO
-			    PublicChannels(Id, DeleteAt, TeamId, DisplayName, Name, Header, Purpose)
-			VALUES
-			    (:id, :deleteat, :teamid, :displayname, :name, :header, :purpose)
-			ON CONFLICT (id) DO UPDATE
-			SET DeleteAt = :deleteat,
-			    TeamId = :teamid,
-			    DisplayName = :displayname,
-			    Name = :name,
-			    Header = :header,
-			    Purpose = :purpose;
-		`, vals)
-	}
+	_, err = transaction.NamedExec(`
+		INSERT INTO
+		    PublicChannels(Id, DeleteAt, TeamId, DisplayName, Name, Header, Purpose)
+		VALUES
+		    (:id, :deleteat, :teamid, :displayname, :name, :header, :purpose)
+		ON CONFLICT (id) DO UPDATE
+		SET DeleteAt = :deleteat,
+		    TeamId = :teamid,
+		    DisplayName = :displayname,
+		    Name = :name,
+		    Header = :header,
+		    Purpose = :purpose;
+	`, vals)
 	if err != nil {
 		return errors.Wrap(err, "failed to insert public channel")
 	}
@@ -737,12 +718,8 @@ func (s SqlChannelStore) saveChannelT(transaction *sqlxTxWrapper, channel *model
 	insert := s.getQueryBuilder().
 		Insert("Channels").
 		Columns(channelSliceColumns(false)...).
-		Values(channelToSlice(channel)...)
-	if s.DriverName() == model.DatabaseDriverMysql {
-		insert = insert.SuffixExpr(sq.Expr("ON DUPLICATE KEY UPDATE Id=Id"))
-	} else {
-		insert = insert.SuffixExpr(sq.Expr("ON CONFLICT (TeamId, Name) DO NOTHING"))
-	}
+		Values(channelToSlice(channel)...).
+		SuffixExpr(sq.Expr("ON CONFLICT (TeamId, Name) DO NOTHING"))
 
 	query, params, err := insert.ToSql()
 	if err != nil {
@@ -1921,45 +1898,19 @@ func (s SqlChannelStore) UpdateMemberNotifyProps(channelID, userID string, props
 		return nil, store.NewErrInvalidInput("ChannelMember", "NotifyProps", props)
 	}
 
-	if s.DriverName() == model.DatabaseDriverPostgres {
-		sql, args, err2 := s.getQueryBuilder().
-			Update("channelmembers").
-			Set("notifyprops", sq.Expr("notifyprops || ?::jsonb", jsonNotifyProps)).
-			Set("LastUpdateAt", model.GetMillis()).
-			Where(sq.Eq{
-				"userid":    userID,
-				"channelid": channelID,
-			}).ToSql()
-		if err2 != nil {
-			return nil, errors.Wrapf(err2, "UpdateMemberNotifyProps_Update_Postgres_ToSql channelID=%s and userID=%s", channelID, userID)
-		}
-
-		_, err = tx.Exec(sql, args...)
-	} else if len(props) > 0 {
-		// It's difficult to construct a SQL query for MySQL
-		// to handle a case of empty map. So we just ignore it.
-
-		// unpack the keys and values to pass to MySQL.
-		jsonArgs, jsonSQL := constructMySQLJSONArgs(props)
-		jsonExpr := sq.Expr(fmt.Sprintf("JSON_SET(NotifyProps, %s)", jsonSQL), jsonArgs...)
-
-		// Example: UPDATE ChannelMembers
-		// SET NotifyProps = JSON_SET(NotifyProps, '$.mark_unread', '"yes"' [, ...])
-		// WHERE ...
-		sql, args, err2 := s.getQueryBuilder().
-			Update("ChannelMembers").
-			Set("NotifyProps", jsonExpr).
-			Set("LastUpdateAt", model.GetMillis()).
-			Where(sq.Eq{
-				"UserId":    userID,
-				"ChannelId": channelID,
-			}).ToSql()
-		if err2 != nil {
-			return nil, errors.Wrapf(err2, "UpdateMemberNotifyProps_Update_MySQL_ToSql channelID=%s and userID=%s", channelID, userID)
-		}
-
-		_, err = tx.Exec(sql, args...)
+	sqlStr, args, err2 := s.getQueryBuilder().
+		Update("channelmembers").
+		Set("notifyprops", sq.Expr("notifyprops || ?::jsonb", jsonNotifyProps)).
+		Set("LastUpdateAt", model.GetMillis()).
+		Where(sq.Eq{
+			"userid":    userID,
+			"channelid": channelID,
+		}).ToSql()
+	if err2 != nil {
+		return nil, errors.Wrapf(err2, "UpdateMemberNotifyProps_Update_Postgres_ToSql channelID=%s and userID=%s", channelID, userID)
 	}
+
+	_, err = tx.Exec(sqlStr, args...)
 	if err != nil {
 		return nil, errors.Wrapf(err, "failed to update ChannelMember with channelID=%s and userID=%s", channelID, userID)
 	}
@@ -2013,23 +1964,11 @@ func (s SqlChannelStore) PatchMultipleMembersNotifyProps(members []*model.Channe
 	// Update the channel members
 	builder := s.getQueryBuilder().Update("ChannelMembers")
 
-	if s.DriverName() == model.DatabaseDriverPostgres {
-		jsonNotifyProps := string(model.ToJSON(notifyProps))
-		builder = builder.Set("notifyprops", sq.Expr("notifyprops || ?::jsonb", jsonNotifyProps))
-	} else {
-		// Unpack the keys and values to pass to MySQL
-		jsonArgs, jsonSQL := constructMySQLJSONArgs(notifyProps)
-		jsonExpr := sq.Expr(fmt.Sprintf("JSON_SET(NotifyProps, %s)", jsonSQL), jsonArgs...)
-
-		// Example: UPDATE ChannelMembers
-		// SET NotifyProps = JSON_SET(NotifyProps, '$.mark_unread', '"yes"' [, ...])
-		// WHERE ...
-		builder = builder.Set("NotifyProps", jsonExpr)
-	}
-
-	builder = builder.Set("LastUpdateAt", model.GetMillis())
-
-	builder = builder.Where(whereClause)
+	jsonNotifyProps := string(model.ToJSON(notifyProps))
+	builder = builder.
+		Set("notifyprops", sq.Expr("notifyprops || ?::jsonb", jsonNotifyProps)).
+		Set("LastUpdateAt", model.GetMillis()).
+		Where(whereClause)
 
 	transaction, err := s.GetMaster().Beginx()
 	if err != nil {
@@ -2444,27 +2383,15 @@ func (s SqlChannelStore) GetMemberCountsByGroup(ctx context.Context, channelID s
 	selectStr := "GroupMembers.GroupId, COUNT(ChannelMembers.UserId) AS ChannelMemberCount"
 
 	if includeTimezones {
-		if s.DriverName() == model.DatabaseDriverMysql {
-			selectStr += `,
-				COUNT(DISTINCT
-				(
-					CASE WHEN JSON_EXTRACT(Timezone, '$.useAutomaticTimezone') = 'true' AND LENGTH(JSON_UNQUOTE(JSON_EXTRACT(Timezone, '$.automaticTimezone'))) > 0
-					THEN JSON_EXTRACT(Timezone, '$.automaticTimezone')
-					WHEN JSON_EXTRACT(Timezone, '$.useAutomaticTimezone') = 'false' AND LENGTH(JSON_UNQUOTE(JSON_EXTRACT(Timezone, '$.manualTimezone'))) > 0
-					THEN JSON_EXTRACT(Timezone, '$.manualTimezone')
-					END
-				)) AS ChannelMemberTimezonesCount`
-		} else if s.DriverName() == model.DatabaseDriverPostgres {
-			selectStr += `,
-				COUNT(DISTINCT
-				(
-					CASE WHEN Timezone->>'useAutomaticTimezone' = 'true' AND length(Timezone->>'automaticTimezone') > 0
-					THEN Timezone->>'automaticTimezone'
-					WHEN Timezone->>'useAutomaticTimezone' = 'false' AND length(Timezone->>'manualTimezone') > 0
-					THEN Timezone->>'manualTimezone'
-					END
-				)) AS ChannelMemberTimezonesCount`
-		}
+		selectStr += `,
+			COUNT(DISTINCT
+			(
+				CASE WHEN Timezone->>'useAutomaticTimezone' = 'true' AND length(Timezone->>'automaticTimezone') > 0
+				THEN Timezone->>'automaticTimezone'
+				WHEN Timezone->>'useAutomaticTimezone' = 'false' AND length(Timezone->>'manualTimezone') > 0
+				THEN Timezone->>'manualTimezone'
+				END
+			)) AS ChannelMemberTimezonesCount`
 	}
 
 	query := s.getQueryBuilder().
@@ -2518,16 +2445,12 @@ func (s SqlChannelStore) InvalidateGuestCount(channelId string) {
 
 //nolint:unparam
 func (s SqlChannelStore) GetGuestCount(channelId string, allowFromCache bool) (int64, error) {
-	var indexHint string
-	if s.DriverName() == model.DatabaseDriverMysql {
-		indexHint = `USE INDEX(idx_channelmembers_channel_id_scheme_guest_user_id)`
-	}
 	var count int64
 	err := s.GetReplica().Get(&count, `
 		SELECT
 			count(*)
 		FROM
-			ChannelMembers `+indexHint+`,
+			ChannelMembers,
 			Users
 		WHERE
 			ChannelMembers.UserId = Users.Id
@@ -3730,28 +3653,17 @@ func (s SqlChannelStore) buildFulltextClause(term string, searchColumns string)
 	}, fulltextTerm)
 
 	// Prepare the FULLTEXT portion of the query.
-	if s.DriverName() == model.DatabaseDriverPostgres {
-		fulltextTerm = strings.ReplaceAll(fulltextTerm, "|", "")
+	fulltextTerm = strings.ReplaceAll(fulltextTerm, "|", "")
 
-		splitTerm := strings.Fields(fulltextTerm)
-		for i, t := range strings.Fields(fulltextTerm) {
-			splitTerm[i] = t + ":*"
-		}
-
-		fulltextTerm = strings.Join(splitTerm, " & ")
-
-		fulltextClause = fmt.Sprintf("((to_tsvector('%[1]s', %[2]s)) @@ to_tsquery('%[1]s', :FulltextTerm))", s.pgDefaultTextSearchConfig, convertMySQLFullTextColumnsToPostgres(searchColumns))
-	} else if s.DriverName() == model.DatabaseDriverMysql {
-		splitTerm := strings.Fields(fulltextTerm)
-		for i, t := range strings.Fields(fulltextTerm) {
-			splitTerm[i] = "+" + t + "*"
-		}
-
-		fulltextTerm = strings.Join(splitTerm, " ")
-
-		fulltextClause = fmt.Sprintf("MATCH(%s) AGAINST (:FulltextTerm IN BOOLEAN MODE)", searchColumns)
+	splitTerm := strings.Fields(fulltextTerm)
+	for i, t := range strings.Fields(fulltextTerm) {
+		splitTerm[i] = t + ":*"
 	}
 
+	fulltextTerm = strings.Join(splitTerm, " & ")
+
+	fulltextClause = fmt.Sprintf("((to_tsvector('%[1]s', %[2]s)) @@ to_tsquery('%[1]s', :FulltextTerm))", s.pgDefaultTextSearchConfig, convertMySQLFullTextColumnsToPostgres(searchColumns))
+
 	return
 }
 
diff --git a/server/channels/store/sqlstore/channel_store_categories.go b/server/channels/store/sqlstore/channel_store_categories.go
index 36378767c7b..4b63e7db723 100644
--- a/server/channels/store/sqlstore/channel_store_categories.go
+++ b/server/channels/store/sqlstore/channel_store_categories.go
@@ -278,31 +278,16 @@ func (s SqlChannelStore) CreateSidebarCategory(userId, teamId string, newCategor
 	if len(newCategory.Channels) > 0 {
 		placeHolder, channelIdArgs := constructArrayArgs(newCategory.Channels)
 		// Remove any channels from their previous categories and add them to the new one
-		var deleteQuery string
-		if s.DriverName() == model.DatabaseDriverMysql {
-			deleteQuery = `
-				DELETE
-					SidebarChannels
-				FROM
-					SidebarChannels
-				JOIN
-					SidebarCategories ON SidebarChannels.CategoryId = SidebarCategories.Id
-				WHERE
-					SidebarChannels.UserId = ?
-					AND SidebarChannels.ChannelId IN ` + placeHolder + `
-					AND SidebarCategories.TeamId = ?`
-		} else {
-			deleteQuery = `
-				DELETE FROM
-					SidebarChannels
-				USING
-					SidebarCategories
-				WHERE
-					SidebarChannels.CategoryId = SidebarCategories.Id
-					AND SidebarChannels.UserId = ?
-					AND SidebarChannels.ChannelId IN ` + placeHolder + `
-					AND SidebarCategories.TeamId = ?`
-		}
+		deleteQuery := `
+			DELETE FROM
+				SidebarChannels
+			USING
+				SidebarCategories
+			WHERE
+				SidebarChannels.CategoryId = SidebarCategories.Id
+				AND SidebarChannels.UserId = ?
+				AND SidebarChannels.ChannelId IN ` + placeHolder + `
+				AND SidebarCategories.TeamId = ?`
 
 		args := []any{userId}
 		args = append(args, channelIdArgs...)
@@ -416,8 +401,6 @@ func (s SqlChannelStore) getOrphanedSidebarChannels(db sqlxExecutor, userId stri
 		return nil, nil
 	}
 
-	isMySQL := s.DriverName() == model.DatabaseDriverMysql
-
 	channelTypeFilter := sq.Or{}
 	if selectDMs {
 		// any DM/GM channels that aren't in any category should be returned as part of the Direct Messages category
@@ -432,21 +415,11 @@ func (s SqlChannelStore) getOrphanedSidebarChannels(db sqlxExecutor, userId stri
 	}
 
 	// A subquery that is true if the channel does not have a SidebarChannel entry for the current user on the current team
-	var doesNotHaveSidebarChannel sq.SelectBuilder
-	if isMySQL {
-		doesNotHaveSidebarChannel = sq.Select("/*+ QB_NAME(subq1) */ 1").
-			Prefix("NOT EXISTS (").
-			From("SidebarChannels").
-			// we have to use an index hint for MySQL.
-			Join("SidebarCategories USE INDEX(idx_sidebarcategories_userid_teamid) on SidebarChannels.CategoryId=SidebarCategories.Id").
-			Suffix(")")
-	} else {
-		doesNotHaveSidebarChannel = sq.Select("1").
-			Prefix("NOT EXISTS (").
-			From("SidebarChannels").
-			Join("SidebarCategories on SidebarChannels.CategoryId=SidebarCategories.Id").
-			Suffix(")")
-	}
+	doesNotHaveSidebarChannel := sq.Select("1").
+		Prefix("NOT EXISTS (").
+		From("SidebarChannels").
+		Join("SidebarCategories on SidebarChannels.CategoryId=SidebarCategories.Id").
+		Suffix(")")
 
 	doesNotHaveSidebarChannel = doesNotHaveSidebarChannel.Where(sq.And{
 		sq.Expr("SidebarChannels.ChannelId = ChannelMembers.ChannelId"),
@@ -455,17 +428,8 @@ func (s SqlChannelStore) getOrphanedSidebarChannels(db sqlxExecutor, userId stri
 	})
 
 	channels := []*OrphanedSidebarChannel{}
-	var col string
-	if isMySQL {
-		// This is a materialization hint for MySQL to materialize
-		// the doesNotHaveSidebarChannel sub-query
-		// Without this hint, MySQL is unable to come up with this plan by itself.
-		col = "/*+ SEMIJOIN(@subq1 MATERIALIZATION) */ Id, Channels.Type"
-	} else {
-		col = "Id, Channels.Type"
-	}
 	sql, args, err := s.getQueryBuilder().
-		Select(col).
+		Select("Id, Channels.Type").
 		From("ChannelMembers").
 		LeftJoin("Channels ON Channels.Id=ChannelMembers.ChannelId").
 		Where(sq.And{
@@ -768,11 +732,7 @@ func (s SqlChannelStore) UpdateSidebarCategories(userId, teamId string, categori
 			Insert("SidebarChannels").
 			Columns("ChannelId", "UserId", "CategoryId", "SortOrder")
 
-		if s.DriverName() == model.DatabaseDriverMysql {
-			insertQuery = insertQuery.Suffix("ON DUPLICATE KEY UPDATE SortOrder = VALUES(SortOrder)")
-		} else {
-			insertQuery = insertQuery.Suffix("ON CONFLICT (ChannelId, UserId, CategoryId) DO UPDATE SET SortOrder = excluded.SortOrder")
-		}
+		insertQuery = insertQuery.Suffix("ON CONFLICT (ChannelId, UserId, CategoryId) DO UPDATE SET SortOrder = excluded.SortOrder")
 
 		for _, channelID := range category.Channels {
 			insertQuery = insertQuery.Values(channelID, userId, category.Id, int64(runningOrder))
@@ -896,31 +856,16 @@ func (s SqlChannelStore) removeSidebarEntriesForPreferenceT(transaction *sqlxTxW
 	}
 
 	// Delete any corresponding SidebarChannels entries in a Favorites category corresponding to this preference.
-	var query string
-	if s.DriverName() == model.DatabaseDriverMysql {
-		query = `
-			DELETE
-				SidebarChannels
-			FROM
-				SidebarChannels
-			JOIN
-				SidebarCategories ON SidebarChannels.CategoryId = SidebarCategories.Id
-			WHERE
-				SidebarChannels.UserId = ?
-				AND SidebarChannels.ChannelId = ?
-				AND SidebarCategories.Type = ?`
-	} else {
-		query = `
-			DELETE FROM
-				SidebarChannels
-			USING
-				SidebarCategories
-			WHERE
-				SidebarChannels.CategoryId = SidebarCategories.Id
-				AND SidebarChannels.UserId = ?
-				AND SidebarChannels.ChannelId = ?
-				AND SidebarCategories.Type = ?`
-	}
+	query := `
+		DELETE FROM
+			SidebarChannels
+		USING
+			SidebarCategories
+		WHERE
+			SidebarChannels.CategoryId = SidebarCategories.Id
+			AND SidebarChannels.UserId = ?
+			AND SidebarChannels.ChannelId = ?
+			AND SidebarCategories.Type = ?`
 
 	if _, err := transaction.Exec(query, preference.UserId, preference.Name, model.SidebarCategoryFavorites); err != nil {
 		return errors.Wrap(err, "Failed to remove sidebar entries for preference")
@@ -1040,25 +985,20 @@ func (s SqlChannelStore) UpdateSidebarChannelCategoryOnMove(channel *model.Chann
 
 func (s SqlChannelStore) ClearSidebarOnTeamLeave(userId, teamId string) error {
 	// if user leaves the team, clean their team related entries in sidebar channels and categories
-	var deleteQuery string
-	if s.DriverName() == model.DatabaseDriverMysql {
-		deleteQuery = "DELETE SidebarChannels FROM SidebarChannels LEFT JOIN SidebarCategories ON SidebarCategories.Id = SidebarChannels.CategoryId WHERE SidebarCategories.TeamId=? AND SidebarCategories.UserId=?"
-	} else {
-		deleteQuery = `
-			DELETE FROM
-				SidebarChannels
-			WHERE
-				CategoryId IN (
-					SELECT
-						CategoryId
-					FROM
-						SidebarChannels,
-						SidebarCategories
-					WHERE
-						SidebarChannels.CategoryId = SidebarCategories.Id
-						AND SidebarCategories.TeamId = ?
-						AND SidebarChannels.UserId = ?)`
-	}
+	deleteQuery := `
+		DELETE FROM
+			SidebarChannels
+		WHERE
+			CategoryId IN (
+				SELECT
+					CategoryId
+				FROM
+					SidebarChannels,
+					SidebarCategories
+				WHERE
+					SidebarChannels.CategoryId = SidebarCategories.Id
+					AND SidebarCategories.TeamId = ?
+					AND SidebarChannels.UserId = ?)`
 	if _, err := s.GetMaster().Exec(deleteQuery, teamId, userId); err != nil {
 		return errors.Wrap(err, "failed to delete from SidebarChannels")
 	}
diff --git a/server/channels/store/sqlstore/command_store.go b/server/channels/store/sqlstore/command_store.go
index a1dfb41d56f..a79df5a242f 100644
--- a/server/channels/store/sqlstore/command_store.go
+++ b/server/channels/store/sqlstore/command_store.go
@@ -126,15 +126,9 @@ func (s SqlCommandStore) GetByTeam(teamId string) ([]*model.Command, error) {
 
 func (s SqlCommandStore) GetByTrigger(teamId string, trigger string) (*model.Command, error) {
 	var command model.Command
-	var triggerStr string
-	if s.DriverName() == "mysql" {
-		triggerStr = "`Trigger`"
-	} else {
-		triggerStr = "\"trigger\""
-	}
 
 	query, args, err := s.commandsQuery.
-		Where(sq.Eq{"TeamId": teamId, "DeleteAt": 0, triggerStr: trigger}).ToSql()
+		Where(sq.Eq{"TeamId": teamId, "DeleteAt": 0, "\"trigger\"": trigger}).ToSql()
 	if err != nil {
 		return nil, errors.Wrapf(err, "commands_tosql")
 	}
diff --git a/server/channels/store/sqlstore/draft_store.go b/server/channels/store/sqlstore/draft_store.go
index 37488e75a5b..4a7a8328c0a 100644
--- a/server/channels/store/sqlstore/draft_store.go
+++ b/server/channels/store/sqlstore/draft_store.go
@@ -95,13 +95,10 @@ func (s *SqlDraftStore) Upsert(draft *model.Draft) (*model.Draft, error) {
 		return nil, err
 	}
 
-	builder := s.getQueryBuilder().Insert("Drafts").Columns(draftSliceColumns()...).Values(draftToSlice(draft)...)
-
-	if s.DriverName() == model.DatabaseDriverMysql {
-		builder = builder.SuffixExpr(sq.Expr("ON DUPLICATE KEY UPDATE  UpdateAt = ?, Message = ?, Props = ?, FileIds = ?, Priority = ?, DeleteAt = ?", draft.UpdateAt, draft.Message, draft.Props, draft.FileIds, draft.Priority, 0))
-	} else {
-		builder = builder.SuffixExpr(sq.Expr("ON CONFLICT (UserId, ChannelId, RootId) DO UPDATE SET UpdateAt = ?, Message = ?, Props = ?, FileIds = ?, Priority = ?, DeleteAt = ?", draft.UpdateAt, draft.Message, draft.Props, draft.FileIds, draft.Priority, 0))
-	}
+	builder := s.getQueryBuilder().Insert("Drafts").
+		Columns(draftSliceColumns()...).
+		Values(draftToSlice(draft)...).
+		SuffixExpr(sq.Expr("ON CONFLICT (UserId, ChannelId, RootId) DO UPDATE SET UpdateAt = ?, Message = ?, Props = ?, FileIds = ?, Priority = ?, DeleteAt = ?", draft.UpdateAt, draft.Message, draft.Props, draft.FileIds, draft.Priority, 0))
 
 	query, args, err := builder.ToSql()
 
@@ -243,22 +240,6 @@ func (s *SqlDraftStore) determineMaxDraftSize() int {
 		`); err != nil {
 			mlog.Warn("Unable to determine the maximum supported draft size", mlog.Err(err))
 		}
-	} else if s.DriverName() == model.DatabaseDriverMysql {
-		// The Draft.Message column in MySQL has historically been TEXT, with a maximum
-		// limit of 65535.
-		if err := s.GetReplica().Get(&maxDraftSizeBytes, `
-			SELECT
-				COALESCE(CHARACTER_MAXIMUM_LENGTH, 0)
-			FROM
-				INFORMATION_SCHEMA.COLUMNS
-			WHERE
-				table_schema = DATABASE()
-			AND	table_name = 'Drafts'
-			AND	column_name = 'Message'
-			LIMIT 0, 1
-		`); err != nil {
-			mlog.Warn("Unable to determine the maximum supported draft size", mlog.Err(err))
-		}
 	} else {
 		mlog.Warn("No implementation found to determine the maximum supported draft size")
 	}
@@ -328,27 +309,6 @@ func (s *SqlDraftStore) DeleteEmptyDraftsByCreateAtAndUserId(createAt int64, use
 			Where("d.ChannelId = dd.ChannelId").
 			Where("d.RootId = dd.RootId").
 			Where("d.Message = ''")
-	} else if s.DriverName() == model.DatabaseDriverMysql {
-		builder = s.getQueryBuilder().
-			Delete("Drafts d").
-			What("d.*").
-			JoinClause(s.getQueryBuilder().Select().
-				Prefix("INNER JOIN (").
-				Columns("UserId, ChannelId, RootId").
-				From("Drafts").
-				Where(sq.And{
-					sq.Or{
-						sq.Gt{"CreateAt": createAt},
-						sq.And{
-							sq.Eq{"CreateAt": createAt},
-							sq.Gt{"UserId": userId},
-						},
-					},
-				}).
-				OrderBy("CreateAt", "UserId").
-				Limit(100).
-				Suffix(") dj ON (d.UserId = dj.UserId AND d.ChannelId = dj.ChannelId AND d.RootId = dj.RootId)"),
-			).Where(sq.Eq{"Message": ""})
 	}
 
 	if _, err := s.GetMaster().ExecBuilder(builder); err != nil {
@@ -383,28 +343,6 @@ func (s *SqlDraftStore) DeleteOrphanDraftsByCreateAtAndUserId(createAt int64, us
 			Where("d.ChannelId = dd.ChannelId").
 			Where("d.RootId = dd.RootId").
 			Suffix("AND (d.RootId IN (SELECT Id FROM Posts WHERE DeleteAt <> 0) OR NOT EXISTS (SELECT 1 FROM Posts WHERE Posts.Id = d.RootId))")
-	} else if s.DriverName() == model.DatabaseDriverMysql {
-		builder = s.getQueryBuilder().
-			Delete("Drafts d").
-			What("d.*").
-			JoinClause(s.getQueryBuilder().Select().
-				Prefix("INNER JOIN (").
-				Columns("UserId, ChannelId, RootId").
-				From("Drafts").
-				Where(sq.And{
-					sq.Or{
-						sq.Gt{"CreateAt": createAt},
-						sq.And{
-							sq.Eq{"CreateAt": createAt},
-							sq.Gt{"UserId": userId},
-						},
-					},
-				}).
-				OrderBy("CreateAt", "UserId").
-				Limit(100).
-				Suffix(") dj ON (d.UserId = dj.UserId AND d.ChannelId = dj.ChannelId AND d.RootId = dj.RootId)"),
-			).
-			Suffix("AND (d.RootId IN (SELECT Id FROM Posts WHERE DeleteAt <> 0) OR NOT EXISTS (SELECT 1 FROM Posts WHERE Posts.Id = d.RootId))")
 	}
 
 	if _, err := s.GetMaster().ExecBuilder(builder); err != nil {
diff --git a/server/channels/store/sqlstore/file_info_store.go b/server/channels/store/sqlstore/file_info_store.go
index d06b747f761..78c8de580f0 100644
--- a/server/channels/store/sqlstore/file_info_store.go
+++ b/server/channels/store/sqlstore/file_info_store.go
@@ -655,36 +655,6 @@ func (fs SqlFileInfoStore) Search(rctx request.CTX, paramsList []*model.SearchPa
 				sq.Expr(fmt.Sprintf("to_tsvector('%[1]s', Translate(FileInfo.Name, '.,-', '   ')) @@  to_tsquery('%[1]s', ?)", fs.pgDefaultTextSearchConfig), queryTerms),
 				sq.Expr(fmt.Sprintf("to_tsvector('%[1]s', FileInfo.Content) @@  to_tsquery('%[1]s', ?)", fs.pgDefaultTextSearchConfig), queryTerms),
 			})
-		} else if fs.DriverName() == model.DatabaseDriverMysql {
-			var err error
-			terms, err = removeMysqlStopWordsFromTerms(terms)
-			if err != nil {
-				return nil, errors.Wrap(err, "failed to remove Mysql stop-words from terms")
-			}
-
-			if terms == "" {
-				return model.NewFileInfoList(), nil
-			}
-
-			excludeClause := ""
-			if excludedTerms != "" {
-				excludeClause = " -(" + excludedTerms + ")"
-			}
-
-			queryTerms := ""
-			if params.OrTerms {
-				queryTerms = terms + excludeClause
-			} else {
-				splitTerms := []string{}
-				for t := range strings.FieldsSeq(terms) {
-					splitTerms = append(splitTerms, "+"+t)
-				}
-				queryTerms = strings.Join(splitTerms, " ") + excludeClause
-			}
-			query = query.Where(sq.Or{
-				sq.Expr("MATCH (FileInfo.Name) AGAINST (? IN BOOLEAN MODE)", queryTerms),
-				sq.Expr("MATCH (FileInfo.Content) AGAINST (? IN BOOLEAN MODE)", queryTerms),
-			})
 		}
 	}
 
@@ -790,21 +760,10 @@ func (fs *SqlFileInfoStore) GetUptoNSizeFileTime(n int64) (int64, error) {
 		return 0, errors.New("n can't be less than 1")
 	}
 
-	var sizeSubQuery sq.SelectBuilder
-	// Separate query for MySql, as current min-version 5.x doesn't support window-functions
-	if fs.DriverName() == model.DatabaseDriverMysql {
-		sizeSubQuery = sq.
-			Select("(@runningSum := @runningSum + fi.Size) RunningTotal", "fi.CreateAt").
-			From("FileInfo fi").
-			Join("(SELECT @runningSum := 0) as tmp").
-			Where(sq.Eq{"fi.DeleteAt": 0}).
-			OrderBy("fi.CreateAt DESC, fi.Id")
-	} else {
-		sizeSubQuery = sq.
-			Select("SUM(fi.Size) OVER(ORDER BY CreateAt DESC, fi.Id) RunningTotal", "fi.CreateAt").
-			From("FileInfo fi").
-			Where(sq.Eq{"fi.DeleteAt": 0})
-	}
+	sizeSubQuery := sq.
+		Select("SUM(fi.Size) OVER(ORDER BY CreateAt DESC, fi.Id) RunningTotal", "fi.CreateAt").
+		From("FileInfo fi").
+		Where(sq.Eq{"fi.DeleteAt": 0})
 
 	builder := fs.getQueryBuilder().
 		Select("fi2.CreateAt").
diff --git a/server/channels/store/sqlstore/group_store.go b/server/channels/store/sqlstore/group_store.go
index a993c240fd8..c7191b0a62a 100644
--- a/server/channels/store/sqlstore/group_store.go
+++ b/server/channels/store/sqlstore/group_store.go
@@ -1328,9 +1328,6 @@ func (s *SqlGroupStore) groupsBySyncableBaseQuery(st model.GroupSyncableType, t
 	if opts.Q != "" {
 		pattern := fmt.Sprintf("%%%s%%", sanitizeSearchTerm(opts.Q, "\\"))
 		operatorKeyword := "ILIKE"
-		if s.DriverName() == model.DatabaseDriverMysql {
-			operatorKeyword = "LIKE"
-		}
 		query = query.Where(fmt.Sprintf("(UserGroups.Name %[1]s ? OR UserGroups.DisplayName %[1]s ?)", operatorKeyword), pattern, pattern)
 	}
 
@@ -1391,9 +1388,6 @@ func (s *SqlGroupStore) getGroupsAssociatedToChannelsByTeam(teamID string, opts
 	if opts.Q != "" {
 		pattern := fmt.Sprintf("%%%s%%", sanitizeSearchTerm(opts.Q, "\\"))
 		operatorKeyword := "ILIKE"
-		if s.DriverName() == model.DatabaseDriverMysql {
-			operatorKeyword = "LIKE"
-		}
 		query = query.Where(fmt.Sprintf("(UserGroups.Name %[1]s ? OR UserGroups.DisplayName %[1]s ?)", operatorKeyword), pattern, pattern)
 	}
 
@@ -1490,27 +1484,15 @@ func (s *SqlGroupStore) GetGroups(page, perPage int, opts model.GroupSearchOpts,
 		joinStr := ""
 
 		if opts.IncludeTimezones {
-			if s.DriverName() == model.DatabaseDriverMysql {
-				selectStr += `,
-					COUNT(DISTINCT
-					(
-						CASE WHEN JSON_EXTRACT(Timezone, '$.useAutomaticTimezone') = 'true' AND LENGTH(JSON_UNQUOTE(JSON_EXTRACT(Timezone, '$.automaticTimezone'))) > 0
-						THEN JSON_EXTRACT(Timezone, '$.automaticTimezone')
-						WHEN JSON_EXTRACT(Timezone, '$.useAutomaticTimezone') = 'false' AND LENGTH(JSON_UNQUOTE(JSON_EXTRACT(Timezone, '$.manualTimezone'))) > 0
-						THEN JSON_EXTRACT(Timezone, '$.manualTimezone')
-						END
-					)) AS ChannelMemberTimezonesCount`
-			} else if s.DriverName() == model.DatabaseDriverPostgres {
-				selectStr += `,
-					COUNT(DISTINCT
-					(
-						CASE WHEN Timezone->>'useAutomaticTimezone' = 'true' AND length(Timezone->>'automaticTimezone') > 0
-						THEN Timezone->>'automaticTimezone'
-						WHEN Timezone->>'useAutomaticTimezone' = 'false' AND length(Timezone->>'manualTimezone') > 0
-						THEN Timezone->>'manualTimezone'
-						END
-					)) AS ChannelMemberTimezonesCount`
-			}
+			selectStr += `,
+				COUNT(DISTINCT
+				(
+					CASE WHEN Timezone->>'useAutomaticTimezone' = 'true' AND length(Timezone->>'automaticTimezone') > 0
+					THEN Timezone->>'automaticTimezone'
+					WHEN Timezone->>'useAutomaticTimezone' = 'false' AND length(Timezone->>'manualTimezone') > 0
+					THEN Timezone->>'manualTimezone'
+					END
+				)) AS ChannelMemberTimezonesCount`
 			joinStr = "LEFT JOIN Users ON Users.Id = GroupMembers.UserId"
 		}
 
@@ -1557,9 +1539,6 @@ func (s *SqlGroupStore) GetGroups(page, perPage int, opts model.GroupSearchOpts,
 	if opts.Q != "" {
 		pattern := fmt.Sprintf("%%%s%%", sanitizeSearchTerm(opts.Q, "\\"))
 		operatorKeyword := "ILIKE"
-		if s.DriverName() == model.DatabaseDriverMysql {
-			operatorKeyword = "LIKE"
-		}
 		groupsQuery = groupsQuery.Where(fmt.Sprintf("(UserGroups.Name %[1]s ? OR UserGroups.DisplayName %[1]s ?)", operatorKeyword), pattern, pattern)
 	}
 
@@ -1662,11 +1641,7 @@ func (s *SqlGroupStore) teamMembersMinusGroupMembersQuery(teamID string, groupID
 			Column("TeamMembers.SchemeAdmin").
 			Column("TeamMembers.SchemeUser")
 
-		if s.DriverName() == model.DatabaseDriverMysql {
-			builder = builder.Column("group_concat(UserGroups.Id) AS GroupIDs")
-		} else {
-			builder = builder.Column("string_agg(UserGroups.Id, ',') AS GroupIDs")
-		}
+		builder = builder.Column("string_agg(UserGroups.Id, ',') AS GroupIDs")
 	}
 
 	subQuery := s.getQueryBuilder().Select("GroupMembers.UserId").
@@ -1741,11 +1716,7 @@ func (s *SqlGroupStore) channelMembersMinusGroupMembersQuery(channelID string, g
 			"ChannelMembers.SchemeUser",
 		)
 
-		if s.DriverName() == model.DatabaseDriverMysql {
-			builder = builder.Column("group_concat(UserGroups.Id) AS GroupIDs")
-		} else {
-			builder = builder.Column("string_agg(UserGroups.Id, ',') AS GroupIDs")
-		}
+		builder = builder.Column("string_agg(UserGroups.Id, ',') AS GroupIDs")
 	}
 
 	subQuery := s.getQueryBuilder().Select("GroupMembers.UserId").
@@ -1955,11 +1926,7 @@ func (s *SqlGroupStore) buildUpsertMembersQuery(groupID string, userIDs []string
 		members = append(members, member)
 	}
 
-	if s.DriverName() == model.DatabaseDriverMysql {
-		builder = builder.SuffixExpr(sq.Expr("ON DUPLICATE KEY UPDATE CreateAt = ?, DeleteAt = ?", createAt, 0))
-	} else if s.DriverName() == model.DatabaseDriverPostgres {
-		builder = builder.SuffixExpr(sq.Expr("ON CONFLICT (groupid, userid) DO UPDATE SET CreateAt = ?, DeleteAt = ?", createAt, 0))
-	}
+	builder = builder.SuffixExpr(sq.Expr("ON CONFLICT (groupid, userid) DO UPDATE SET CreateAt = ?, DeleteAt = ?", createAt, 0))
 
 	return
 }
diff --git a/server/channels/store/sqlstore/job_store.go b/server/channels/store/sqlstore/job_store.go
index 187950f60c6..561dbd5e1ad 100644
--- a/server/channels/store/sqlstore/job_store.go
+++ b/server/channels/store/sqlstore/job_store.go
@@ -10,7 +10,6 @@ import (
 	"strings"
 	"time"
 
-	"github.com/go-sql-driver/mysql"
 	"github.com/lib/pq"
 	sq "github.com/mattermost/squirrel"
 	"github.com/pkg/errors"
@@ -197,55 +196,7 @@ func (jss SqlJobStore) UpdateStatus(id string, status string) (*model.Job, error
 func (jss SqlJobStore) UpdateStatusOptimistically(id string, currentStatus string, newStatus string) (*model.Job, error) {
 	lastActivityAndStartTime := model.GetMillis()
 
-	if jss.DriverName() == model.DatabaseDriverMysql {
-		tx, err := jss.GetMaster().Beginx()
-		if err != nil {
-			return nil, errors.Wrap(err, "begin_transaction")
-		}
-		defer finalizeTransactionX(tx, &err)
-
-		builder := jss.getQueryBuilder().
-			Update("Jobs").
-			Set("LastActivityAt", lastActivityAndStartTime).
-			Set("Status", newStatus).
-			Where(sq.Eq{"Id": id, "Status": currentStatus})
-
-		if newStatus == model.JobStatusInProgress {
-			builder = builder.Set("StartAt", lastActivityAndStartTime)
-		}
-
-		sqlResult, err := tx.ExecBuilder(builder)
-		if err != nil {
-			return nil, errors.Wrapf(err, "failed to update Job with id=%s", id)
-		}
-		rows, err := sqlResult.RowsAffected()
-		if err != nil {
-			return nil, errors.Wrap(err, "unable to get rows affected")
-		}
-		if rows != 1 {
-			return nil, nil
-		}
-
-		getBuilder := jss.jobQuery.
-			Where(sq.Eq{"Id": id, "Status": newStatus})
-
-		var job model.Job
-		if err = tx.GetBuilder(&job, getBuilder); err != nil {
-			if errors.Is(err, sql.ErrNoRows) {
-				return nil, store.NewErrNotFound("Job", id)
-			}
-			return nil, errors.Wrapf(err, "failed to get Job with id=%s", id)
-		}
-
-		err = tx.Commit()
-		if err != nil {
-			return nil, errors.Wrap(err, "commit_transaction")
-		}
-
-		return &job, nil
-	}
-
-	// For PostgreSQL, use RETURNING to get the updated job in a single query
+	// Use RETURNING to get the updated job in a single query
 	builder := jss.getQueryBuilder().
 		Update("Jobs").
 		Set("LastActivityAt", lastActivityAndStartTime).
@@ -478,23 +429,16 @@ func (jss SqlJobStore) Cleanup(expiryTime int64, batchSize int) error {
 	return nil
 }
 
-const mySQLDeadlockCode = uint16(1213)
-
 // isRepeatableError is a bit of copied code from retrylayer.go.
 // A little copying is fine because we don't want to import another package
 // in the store layer
 func isRepeatableError(err error) bool {
 	var pqErr *pq.Error
-	var mysqlErr *mysql.MySQLError
 	switch {
 	case errors.As(err, &pqErr):
 		if pqErr.Code == "40001" || pqErr.Code == "40P01" {
 			return true
 		}
-	case errors.As(err, &mysqlErr):
-		if mysqlErr.Number == mySQLDeadlockCode {
-			return true
-		}
 	}
 	return false
 }
diff --git a/server/channels/store/sqlstore/license_store.go b/server/channels/store/sqlstore/license_store.go
index 4069336e0c0..3147695d433 100644
--- a/server/channels/store/sqlstore/license_store.go
+++ b/server/channels/store/sqlstore/license_store.go
@@ -36,11 +36,7 @@ func (ls SqlLicenseStore) Save(license *model.LicenseRecord) error {
 		Columns("Id", "CreateAt", "Bytes").
 		Values(license.Id, license.CreateAt, license.Bytes)
 
-	if ls.DriverName() == model.DatabaseDriverMysql {
-		query = query.SuffixExpr(sq.Expr("ON DUPLICATE KEY UPDATE Id=Id"))
-	} else {
-		query = query.SuffixExpr(sq.Expr("ON CONFLICT (Id) DO NOTHING"))
-	}
+	query = query.SuffixExpr(sq.Expr("ON CONFLICT (Id) DO NOTHING"))
 
 	queryString, args, err := query.ToSql()
 	if err != nil {
diff --git a/server/channels/store/sqlstore/link_metadata_store.go b/server/channels/store/sqlstore/link_metadata_store.go
index 01abd2f499b..a13b4797bc8 100644
--- a/server/channels/store/sqlstore/link_metadata_store.go
+++ b/server/channels/store/sqlstore/link_metadata_store.go
@@ -59,11 +59,7 @@ func (s SqlLinkMetadataStore) Save(metadata *model.LinkMetadata) (*model.LinkMet
 		Columns(s.linkMetadataColumns...).
 		Values(metadata.Hash, metadata.URL, metadata.Timestamp, metadata.Type, metadataBytes)
 
-	if s.DriverName() == model.DatabaseDriverMysql {
-		query = query.SuffixExpr(sq.Expr("ON DUPLICATE KEY UPDATE URL = ?, Timestamp = ?, Type = ?, Data = ?", metadata.URL, metadata.Timestamp, metadata.Type, metadataBytes))
-	} else {
-		query = query.SuffixExpr(sq.Expr("ON CONFLICT (hash) DO UPDATE SET URL = ?, Timestamp = ?, Type = ?, Data = ?", metadata.URL, metadata.Timestamp, metadata.Type, metadataBytes))
-	}
+	query = query.SuffixExpr(sq.Expr("ON CONFLICT (hash) DO UPDATE SET URL = ?, Timestamp = ?, Type = ?, Data = ?", metadata.URL, metadata.Timestamp, metadata.Type, metadataBytes))
 
 	q, args, err := query.ToSql()
 	if err != nil {
diff --git a/server/channels/store/sqlstore/migrate.go b/server/channels/store/sqlstore/migrate.go
index 05ecb9b999d..aabd969ef7b 100644
--- a/server/channels/store/sqlstore/migrate.go
+++ b/server/channels/store/sqlstore/migrate.go
@@ -13,14 +13,11 @@ import (
 	"strconv"
 	"sync"
 
-	sqlUtils "github.com/mattermost/mattermost/server/public/utils/sql"
-
 	"github.com/mattermost/mattermost/server/public/model"
 	"github.com/mattermost/mattermost/server/public/shared/mlog"
 	"github.com/mattermost/mattermost/server/v8/channels/db"
 	"github.com/mattermost/morph"
 	"github.com/mattermost/morph/drivers"
-	ms "github.com/mattermost/morph/drivers/mysql"
 	ps "github.com/mattermost/morph/drivers/postgres"
 	"github.com/mattermost/morph/models"
 	mbindata "github.com/mattermost/morph/sources/embedded"
@@ -56,11 +53,6 @@ func NewMigrator(settings model.SqlSettings, logger mlog.LoggerIFace, dryRun boo
 		return nil, fmt.Errorf("error while checking DB version: %w", err)
 	}
 
-	err = ss.ensureDatabaseCollation()
-	if err != nil {
-		return nil, fmt.Errorf("error while checking DB collation: %w", err)
-	}
-
 	engine, err := ss.initMorph(dryRun, true)
 	if err != nil {
 		return nil, fmt.Errorf("failed to initialize morph: %w", err)
@@ -121,26 +113,6 @@ func (ss *SqlStore) initMorph(dryRun, enableLogging bool) (*morph.Morph, error)
 
 	var driver drivers.Driver
 	switch ss.DriverName() {
-	case model.DatabaseDriverMysql:
-		dataSource, rErr := sqlUtils.ResetReadTimeout(*ss.settings.DataSource)
-		if rErr != nil {
-			mlog.Fatal("Failed to reset read timeout from datasource.", mlog.Err(rErr), mlog.String("src", *ss.settings.DataSource))
-			return nil, rErr
-		}
-		dataSource, err = sqlUtils.AppendMultipleStatementsFlag(dataSource)
-		if err != nil {
-			return nil, err
-		}
-		db, err2 := sqlUtils.SetupConnection(ss.Logger(), "master", dataSource, ss.settings, DBPingAttempts)
-		if err2 != nil {
-			return nil, err2
-		}
-
-		driver, err = ms.WithInstance(db)
-		if err != nil {
-			return nil, err
-		}
-		defer db.Close()
 	case model.DatabaseDriverPostgres:
 		driver, err = ps.WithInstance(ss.GetMaster().DB.DB)
 	default:
diff --git a/server/channels/store/sqlstore/migrate_test.go b/server/channels/store/sqlstore/migrate_test.go
index 44810d896e6..8d5a02df473 100644
--- a/server/channels/store/sqlstore/migrate_test.go
+++ b/server/channels/store/sqlstore/migrate_test.go
@@ -17,7 +17,6 @@ func TestUpAndDownMigrations(t *testing.T) {
 
 	testDrivers := []string{
 		model.DatabaseDriverPostgres,
-		model.DatabaseDriverMysql,
 	}
 
 	for _, driver := range testDrivers {
diff --git a/server/channels/store/sqlstore/oauth_store.go b/server/channels/store/sqlstore/oauth_store.go
index 871845adc3d..b5b14f53de5 100644
--- a/server/channels/store/sqlstore/oauth_store.go
+++ b/server/channels/store/sqlstore/oauth_store.go
@@ -336,12 +336,7 @@ func (as SqlOAuthStore) deleteApp(transaction *sqlxTxWrapper, clientId string) e
 }
 
 func (as SqlOAuthStore) deleteOAuthAppSessions(transaction *sqlxTxWrapper, clientId string) error {
-	query := ""
-	if as.DriverName() == model.DatabaseDriverPostgres {
-		query = "DELETE FROM Sessions s USING OAuthAccessData o WHERE o.Token = s.Token AND o.ClientId = ?"
-	} else if as.DriverName() == model.DatabaseDriverMysql {
-		query = "DELETE s.* FROM Sessions s INNER JOIN OAuthAccessData o ON o.Token = s.Token WHERE o.ClientId = ?"
-	}
+	query := "DELETE FROM Sessions s USING OAuthAccessData o WHERE o.Token = s.Token AND o.ClientId = ?"
 
 	if _, err := transaction.Exec(query, clientId); err != nil {
 		return errors.Wrapf(err, "failed to delete Session with OAuthAccessData.Id=%s", clientId)
diff --git a/server/channels/store/sqlstore/plugin_store.go b/server/channels/store/sqlstore/plugin_store.go
index 051156da128..4fe47217efe 100644
--- a/server/channels/store/sqlstore/plugin_store.go
+++ b/server/channels/store/sqlstore/plugin_store.go
@@ -4,7 +4,6 @@
 package sqlstore
 
 import (
-	"bytes"
 	"database/sql"
 	"fmt"
 
@@ -46,11 +45,7 @@ func (ps SqlPluginStore) SaveOrUpdate(kv *model.PluginKeyValue) (*model.PluginKe
 		Insert("PluginKeyValueStore").
 		Columns("PluginId", "PKey", "PValue", "ExpireAt").
 		Values(kv.PluginId, kv.Key, kv.Value, kv.ExpireAt)
-	if ps.DriverName() == model.DatabaseDriverPostgres {
-		query = query.SuffixExpr(sq.Expr("ON CONFLICT (pluginid, pkey) DO UPDATE SET PValue = ?, ExpireAt = ?", kv.Value, kv.ExpireAt))
-	} else if ps.DriverName() == model.DatabaseDriverMysql {
-		query = query.SuffixExpr(sq.Expr("ON DUPLICATE KEY UPDATE PValue = ?, ExpireAt = ?", kv.Value, kv.ExpireAt))
-	}
+	query = query.SuffixExpr(sq.Expr("ON CONFLICT (pluginid, pkey) DO UPDATE SET PValue = ?, ExpireAt = ?", kv.Value, kv.ExpireAt))
 
 	queryString, args, err := query.ToSql()
 	if err != nil {
@@ -140,42 +135,6 @@ func (ps SqlPluginStore) CompareAndSet(kv *model.PluginKeyValue, oldValue []byte
 			// Failed to update
 			return false, errors.Wrap(err, "unable to get rows affected")
 		} else if rowsAffected == 0 {
-			if ps.DriverName() == model.DatabaseDriverMysql && bytes.Equal(oldValue, kv.Value) {
-				// ROW_COUNT on MySQL is zero even if the row existed but no changes to the row were required.
-				// Check if the row exists with the required value to distinguish this case. Strictly speaking,
-				// this isn't a good use of CompareAndSet anyway, since there's no corresponding guarantee of
-				// atomicity. Nevertheless, let's return results consistent with Postgres and with what might
-				// be expected in this case.
-				query := ps.getQueryBuilder().
-					Select("COUNT(*)").
-					From("PluginKeyValueStore").
-					Where(sq.Eq{"PluginId": kv.PluginId}).
-					Where(sq.Eq{"PKey": kv.Key}).
-					Where(sq.Eq{"PValue": kv.Value}).
-					Where(sq.Or{
-						sq.Eq{"ExpireAt": int(0)},
-						sq.Gt{"ExpireAt": currentTime},
-					})
-
-				queryString, args, err := query.ToSql()
-				if err != nil {
-					return false, errors.Wrap(err, "plugin_tosql")
-				}
-
-				var count int64
-				err = ps.GetReplica().Get(&count, queryString, args...)
-				if err != nil {
-					return false, errors.Wrapf(err, "failed to count PluginKeyValue with pluginId=%s and key=%s", kv.PluginId, kv.Key)
-				}
-
-				if count == 0 {
-					return false, nil
-				} else if count == 1 {
-					return true, nil
-				}
-				return false, errors.Wrapf(err, "got too many rows when counting PluginKeyValue with pluginId=%s, key=%s, rows=%d", kv.PluginId, kv.Key, count)
-			}
-
 			// No rows were affected by the update, where condition was not satisfied,
 			// return false, but no error.
 			return false, nil
diff --git a/server/channels/store/sqlstore/post_acknowledgements_store.go b/server/channels/store/sqlstore/post_acknowledgements_store.go
index d4461df2c67..fb6f78775c1 100644
--- a/server/channels/store/sqlstore/post_acknowledgements_store.go
+++ b/server/channels/store/sqlstore/post_acknowledgements_store.go
@@ -229,11 +229,7 @@ func (s *SqlPostAcknowledgementStore) buildUpsertQuery(acknowledgement *model.Po
 		Columns(columnsToInsert...).
 		Values(valuesToInsert...)
 
-	if s.DriverName() == model.DatabaseDriverMysql {
-		query = query.SuffixExpr(sq.Expr("ON DUPLICATE KEY UPDATE AcknowledgedAt = ?", acknowledgement.AcknowledgedAt))
-	} else {
-		query = query.SuffixExpr(sq.Expr("ON CONFLICT (postid, userid) DO UPDATE SET AcknowledgedAt = ?", acknowledgement.AcknowledgedAt))
-	}
+	query = query.SuffixExpr(sq.Expr("ON CONFLICT (postid, userid) DO UPDATE SET AcknowledgedAt = ?", acknowledgement.AcknowledgedAt))
 
 	return query
 }
diff --git a/server/channels/store/sqlstore/post_persistent_notification_store.go b/server/channels/store/sqlstore/post_persistent_notification_store.go
index a3960781b62..3512c95c9fb 100644
--- a/server/channels/store/sqlstore/post_persistent_notification_store.go
+++ b/server/channels/store/sqlstore/post_persistent_notification_store.go
@@ -128,20 +128,10 @@ func (s *SqlPostPersistentNotificationStore) DeleteByChannel(channelIds []string
 	}
 
 	deleteAt := model.GetMillis()
-	var builder sq.UpdateBuilder
-	builderType := s.getQueryBuilder()
-	if s.DriverName() == model.DatabaseDriverMysql {
-		builder = builderType.
-			Update("PersistentNotifications, Posts").
-			Set("PersistentNotifications.DeleteAt", deleteAt)
-	}
-
-	if s.DriverName() == model.DatabaseDriverPostgres {
-		builder = builderType.
-			Update("PersistentNotifications").
-			Set("DeleteAt", deleteAt).
-			From("Posts")
-	}
+	builder := s.getQueryBuilder().
+		Update("PersistentNotifications").
+		Set("DeleteAt", deleteAt).
+		From("Posts")
 
 	builder = builder.Where(sq.And{
 		sq.Expr("Posts.Id = PersistentNotifications.PostId"),
@@ -163,20 +153,10 @@ func (s *SqlPostPersistentNotificationStore) DeleteByTeam(teamIds []string) erro
 	}
 
 	deleteAt := model.GetMillis()
-	var builder sq.UpdateBuilder
-	builderType := s.getQueryBuilder()
-	if s.DriverName() == model.DatabaseDriverMysql {
-		builder = builderType.
-			Update("PersistentNotifications, Posts, Channels").
-			Set("PersistentNotifications.DeleteAt", deleteAt)
-	}
-
-	if s.DriverName() == model.DatabaseDriverPostgres {
-		builder = builderType.
-			Update("PersistentNotifications").
-			Set("DeleteAt", deleteAt).
-			From("Posts, Channels")
-	}
+	builder := s.getQueryBuilder().
+		Update("PersistentNotifications").
+		Set("DeleteAt", deleteAt).
+		From("Posts, Channels")
 
 	builder = builder.Where(sq.And{
 		sq.Expr("Posts.Id = PersistentNotifications.PostId"),
diff --git a/server/channels/store/sqlstore/post_store.go b/server/channels/store/sqlstore/post_store.go
index 41c0a8db18e..c997bc12889 100644
--- a/server/channels/store/sqlstore/post_store.go
+++ b/server/channels/store/sqlstore/post_store.go
@@ -21,7 +21,6 @@ import (
 	"github.com/mattermost/mattermost/server/public/shared/mlog"
 	"github.com/mattermost/mattermost/server/public/shared/request"
 	"github.com/mattermost/mattermost/server/v8/channels/store"
-	"github.com/mattermost/mattermost/server/v8/channels/store/searchlayer"
 	"github.com/mattermost/mattermost/server/v8/channels/utils"
 	"github.com/mattermost/mattermost/server/v8/einterfaces"
 )
@@ -744,39 +743,26 @@ func (s *SqlPostStore) Get(ctx context.Context, id string, opts model.GetPostsOp
 		}
 
 		var query sq.SelectBuilder
-		if s.DriverName() == model.DatabaseDriverMysql {
-			query = s.getQueryBuilder().
-				Select("p.*, (SELECT count(*) FROM Posts WHERE Posts.RootId = (CASE WHEN p.RootId = '' THEN p.Id ELSE p.RootId END) AND Posts.DeleteAt = 0) as ReplyCount").
-				From("Posts p").
+		query = s.getQueryBuilder().
+			Select("p.*, replycount.num as ReplyCount").
+			PrefixExpr(s.getQueryBuilder().
+				Select().
+				Prefix("WITH replycount as (").
+				Columns("count(*) as num").
+				From("posts").
 				Where(sq.And{
-					sq.Or{
-						sq.Eq{"p.Id": rootId},
-						sq.Eq{"p.RootId": rootId},
-					},
-					sq.Eq{"p.DeleteAt": 0},
-				})
-		} else {
-			query = s.getQueryBuilder().
-				Select("p.*, replycount.num as ReplyCount").
-				PrefixExpr(s.getQueryBuilder().
-					Select().
-					Prefix("WITH replycount as (").
-					Columns("count(*) as num").
-					From("posts").
-					Where(sq.And{
-						sq.Eq{"RootId": rootId},
-						sq.Eq{"DeleteAt": 0},
-					}).Suffix(")"),
-				).
-				From("Posts p, replycount").
-				Where(sq.And{
-					sq.Or{
-						sq.Eq{"p.Id": rootId},
-						sq.Eq{"p.RootId": rootId},
-					},
-					sq.Eq{"p.DeleteAt": 0},
-				})
-		}
+					sq.Eq{"RootId": rootId},
+					sq.Eq{"DeleteAt": 0},
+				}).Suffix(")"),
+			).
+			From("Posts p, replycount").
+			Where(sq.And{
+				sq.Or{
+					sq.Eq{"p.Id": rootId},
+					sq.Eq{"p.RootId": rootId},
+				},
+				sq.Eq{"p.DeleteAt": 0},
+			})
 
 		var sort string
 		if opts.Direction != "" {
@@ -978,24 +964,11 @@ func (s *SqlPostStore) Delete(rctx request.CTX, postID string, time int64, delet
 		return errors.Wrapf(err, "failed to delete Post with id=%s", postID)
 	}
 
-	if s.DriverName() == model.DatabaseDriverPostgres {
-		_, err = transaction.Exec(`UPDATE Posts
+	_, err = transaction.Exec(`UPDATE Posts
 			SET DeleteAt = $1,
 				UpdateAt = $1,
 				Props = jsonb_set(Props, $2, $3)
 			WHERE Id = $4 OR RootId = $4`, time, jsonKeyPath(model.PostPropsDeleteBy), jsonStringVal(deleteByID), postID)
-	} else {
-		// We use ORDER BY clause for MySQL
-		// to trigger filesort optimization in the index_merge.
-		// Without it, MySQL does a temporary sort.
-		// See: https://dev.mysql.com/doc/refman/8.0/en/order-by-optimization.html#order-by-filesort.
-		_, err = transaction.Exec(`UPDATE Posts
-			SET DeleteAt = ?,
-			UpdateAt = ?,
-			Props = JSON_SET(Props, ?, ?)
-			Where Id = ? OR RootId = ?
-			ORDER BY Id`, time, time, "$."+model.PostPropsDeleteBy, deleteByID, postID, postID)
-	}
 
 	if err != nil {
 		return errors.Wrap(err, "failed to update Posts")
@@ -1405,52 +1378,19 @@ func (s *SqlPostStore) GetPostsSince(options model.GetPostsSinceOptions, allowFr
 	var query string
 	var params []any
 
-	// union of IDs and then join to get full posts is faster in mysql
-	if s.DriverName() == model.DatabaseDriverMysql {
-		query = `SELECT *` + replyCountQuery1 + ` FROM Posts p1 JOIN (
-			(SELECT
-              Id
-			  FROM
-				  Posts p2
-			  WHERE
-				  (UpdateAt > ?
-					  AND ChannelId = ?)
-				  LIMIT 1000)
-			  UNION
-				  (SELECT
-					  Id
-				  FROM
-					  Posts p3
-				  WHERE
-					  Id
-				  IN
-					  (SELECT * FROM (SELECT
-						  RootId
-					  FROM
-						  Posts
-					  WHERE
-						  UpdateAt > ?
-							  AND ChannelId = ?
-					  LIMIT 1000) temp_tab))
-			) j ON p1.Id = j.Id
-          ORDER BY CreateAt ` + order
+	query = `WITH cte AS (SELECT
+	       *
+	FROM
+	       Posts
+	WHERE
+	       UpdateAt > ? AND ChannelId = ?
+	       LIMIT 1000)
+	(SELECT *` + replyCountQuery2 + ` FROM cte)
+	UNION
+	(SELECT *` + replyCountQuery1 + ` FROM Posts p1 WHERE id in (SELECT rootid FROM cte))
+	ORDER BY CreateAt ` + order
 
-		params = []any{options.Time, options.ChannelId, options.Time, options.ChannelId}
-	} else if s.DriverName() == model.DatabaseDriverPostgres {
-		query = `WITH cte AS (SELECT
-		       *
-		FROM
-		       Posts
-		WHERE
-		       UpdateAt > ? AND ChannelId = ?
-		       LIMIT 1000)
-		(SELECT *` + replyCountQuery2 + ` FROM cte)
-		UNION
-		(SELECT *` + replyCountQuery1 + ` FROM Posts p1 WHERE id in (SELECT rootid FROM cte))
-		ORDER BY CreateAt ` + order
-
-		params = []any{options.Time, options.ChannelId}
-	}
+	params = []any{options.Time, options.ChannelId}
 	err := s.GetReplica().Select(&posts, query, params...)
 	if err != nil {
 		return nil, errors.Wrapf(err, "failed to find Posts with channelId=%s", options.ChannelId)
@@ -1603,13 +1543,6 @@ func (s *SqlPostStore) getPostsAround(before bool, options model.GetPostsOptions
 		direction = ">"
 		sort = "ASC"
 	}
-	table := "Posts p"
-	// We force MySQL to use the right index to prevent it from accidentally
-	// using the index_merge_intersection optimization.
-	// See MM-27575.
-	if s.DriverName() == model.DatabaseDriverMysql {
-		table += " USE INDEX(idx_posts_channel_id_delete_at_create_at)"
-	}
 	columns := []string{"p.*"}
 	if options.CollapsedThreads {
 		columns = append(columns,
@@ -1638,7 +1571,7 @@ func (s *SqlPostStore) getPostsAround(before bool, options model.GetPostsOptions
 	} else {
 		query = query.Column(sq.Alias(replyCountSubQuery, "ReplyCount"))
 	}
-	query = query.From(table).
+	query = query.From("Posts p").
 		Where(conditions).
 		// Adding ChannelId and DeleteAt order columns
 		// to let mysql choose the "idx_posts_channel_id_delete_at_create_at" index always.
@@ -1726,14 +1659,6 @@ func (s *SqlPostStore) getPostIdAroundTime(channelId string, time int64, before
 		sort = "ASC"
 	}
 
-	table := "Posts"
-	// We force MySQL to use the right index to prevent it from accidentally
-	// using the index_merge_intersection optimization.
-	// See MM-27575.
-	if s.DriverName() == model.DatabaseDriverMysql {
-		table += " USE INDEX(idx_posts_channel_id_delete_at_create_at)"
-	}
-
 	conditions := sq.And{
 		direction,
 		sq.Eq{"Posts.ChannelId": channelId},
@@ -1744,7 +1669,7 @@ func (s *SqlPostStore) getPostIdAroundTime(channelId string, time int64, before
 	}
 	query := s.getQueryBuilder().
 		Select("Id").
-		From(table).
+		From("Posts").
 		Where(conditions).
 		// Adding ChannelId and DeleteAt order columns
 		// to let mysql choose the "idx_posts_channel_id_delete_at_create_at" index always.
@@ -1768,13 +1693,6 @@ func (s *SqlPostStore) getPostIdAroundTime(channelId string, time int64, before
 }
 
 func (s *SqlPostStore) GetPostAfterTime(channelId string, time int64, collapsedThreads bool) (*model.Post, error) {
-	table := "Posts"
-	// We force MySQL to use the right index to prevent it from accidentally
-	// using the index_merge_intersection optimization.
-	// See MM-27575.
-	if s.DriverName() == model.DatabaseDriverMysql {
-		table += " USE INDEX(idx_posts_channel_id_delete_at_create_at)"
-	}
 	conditions := sq.And{
 		sq.Gt{"Posts.CreateAt": time},
 		sq.Eq{"Posts.ChannelId": channelId},
@@ -1785,7 +1703,7 @@ func (s *SqlPostStore) GetPostAfterTime(channelId string, time int64, collapsedT
 	}
 	query := s.getQueryBuilder().
 		Select("*").
-		From(table).
+		From("Posts").
 		Where(conditions).
 		// Adding ChannelId and DeleteAt order columns
 		// to let mysql choose the "idx_posts_channel_id_delete_at_create_at" index always.
@@ -2155,7 +2073,7 @@ func (s *SqlPostStore) search(teamId string, userId string, params *model.Search
 
 	if terms == "" && excludedTerms == "" {
 		// we've already confirmed that we have a channel or user to search for
-	} else if s.DriverName() == model.DatabaseDriverPostgres {
+	} else {
 		// Parse text for wildcards
 		terms = wildCardRegex.ReplaceAllLiteralString(terms, ":* ")
 		excludedTerms = wildCardRegex.ReplaceAllLiteralString(excludedTerms, ":* ")
@@ -2203,41 +2121,6 @@ func (s *SqlPostStore) search(teamId string, userId string, params *model.Search
 
 		searchClause := fmt.Sprintf("to_tsvector('%[1]s', %[2]s) @@  to_tsquery('%[1]s', ?)", textSearchCfg, searchType)
 		baseQuery = baseQuery.Where(searchClause, tsQueryClause)
-	} else if s.DriverName() == model.DatabaseDriverMysql {
-		if searchType == "Message" {
-			terms, err = removeMysqlStopWordsFromTerms(terms)
-			if err != nil {
-				return nil, errors.Wrap(err, "failed to remove Mysql stop-words from terms")
-			}
-
-			if terms == "" {
-				return list, nil
-			}
-		}
-
-		excludeClause := ""
-		if excludedTerms != "" {
-			excludeClause = " -(" + excludedTerms + ")"
-		}
-
-		var termsClause string
-		if params.OrTerms {
-			termsClause = terms + excludeClause
-		} else {
-			splitTerms := []string{}
-			for t := range strings.FieldsSeq(terms) {
-				splitTerms = append(splitTerms, "+"+t)
-			}
-			termsClause = strings.Join(splitTerms, " ") + excludeClause
-		}
-
-		searchClause := fmt.Sprintf("MATCH (%s) AGAINST (? IN BOOLEAN MODE)", searchType)
-
-		if params.IsHashtag {
-			termsClause = "\"" + termsClause + "\""
-		}
-
-		baseQuery = baseQuery.Where(searchClause, termsClause)
 	}
 
 	inQuery := s.getSubQueryBuilder().Select("Id").
@@ -2295,25 +2178,6 @@ func (s *SqlPostStore) search(teamId string, userId string, params *model.Search
 	return list, nil
 }
 
-func removeMysqlStopWordsFromTerms(terms string) (string, error) {
-	stopWords := make([]string, len(searchlayer.MySQLStopWords))
-	copy(stopWords, searchlayer.MySQLStopWords)
-	re, err := regexp.Compile(fmt.Sprintf(`^(%s)$`, strings.Join(stopWords, "|")))
-	if err != nil {
-		return "", err
-	}
-
-	newTerms := make([]string, 0)
-	separatedTerms := strings.FieldsSeq(terms)
-	for term := range separatedTerms {
-		term = strings.TrimSpace(term)
-		if term = re.ReplaceAllString(term, ""); term != "" {
-			newTerms = append(newTerms, term)
-		}
-	}
-	return strings.Join(newTerms, " "), nil
-}
-
 // TODO: convert to squirrel HW
 func (s *SqlPostStore) AnalyticsUserCountsWithPostsByDay(teamId string) (model.AnalyticsRows, error) {
 	var args []any
@@ -2629,35 +2493,14 @@ func (s *SqlPostStore) GetPostsBatchForIndexing(startTime int64, startPostID str
 	posts := []*model.PostForIndexing{}
 
 	var err error
-	// In order to use an index scan for both MySQL and Postgres, we need to
-	// diverge the implementation of the query, specifically in the WHERE
-	// condition: for MySQL, we need to do
-	//     (CreateAt > ?) OR (CreateAt = ? AND Id > ?)
-	// while for Postgres we need
+	// In order to use an index scan, we need to do
 	//     (CreateAt, Id) > (?, ?)
 	// The wrong choice for any of the two databases makes the query go from
 	// milliseconds to dozens of seconds.
 	// More information in: https://github.com/mattermost/mattermost/pull/26517
 	// and https://community.mattermost.com/core/pl/ui5dz96shinetb8nq83myggbma
-	if s.DriverName() == model.DatabaseDriverMysql {
-		query := `SELECT
-				Posts.*, Channels.TeamId
-			FROM Posts USE INDEX(idx_posts_create_at_id)
-			LEFT JOIN
-				Channels
-			ON
-				Posts.ChannelId = Channels.Id
-			WHERE
-				Posts.CreateAt > ?
-				OR
-				(Posts.CreateAt = ? AND Posts.Id > ?)
-			ORDER BY
-				Posts.CreateAt ASC, Posts.Id ASC
-			LIMIT
-				?`
-		err = s.GetSearchReplicaX().Select(&posts, query, startTime, startTime, startPostID, limit)
-	} else {
-		query := `SELECT
+
+	query := `SELECT
 				Posts.*, Channels.TeamId
 			FROM Posts
 			LEFT JOIN
@@ -2670,8 +2513,7 @@ func (s *SqlPostStore) GetPostsBatchForIndexing(startTime int64, startPostID str
 				Posts.CreateAt ASC, Posts.Id ASC
 			LIMIT
 				?`
-		err = s.GetSearchReplicaX().Select(&posts, query, startTime, startPostID, limit)
-	}
+	err = s.GetSearchReplicaX().Select(&posts, query, startTime, startPostID, limit)
 	if err != nil {
 		return nil, errors.Wrap(err, "failed to find Posts")
 	}
@@ -2760,22 +2602,6 @@ func (s *SqlPostStore) determineMaxPostSize() int {
 		`); err != nil {
 			mlog.Warn("Unable to determine the maximum supported post size", mlog.Err(err))
 		}
-	} else if s.DriverName() == model.DatabaseDriverMysql {
-		// The Post.Message column in MySQL has historically been TEXT, with a maximum
-		// limit of 65535.
-		if err := s.GetReplica().Get(&maxPostSizeBytes, `
-			SELECT
-				COALESCE(CHARACTER_MAXIMUM_LENGTH, 0)
-			FROM
-				INFORMATION_SCHEMA.COLUMNS
-			WHERE
-				table_schema = DATABASE()
-			AND	table_name = 'Posts'
-			AND	column_name = 'Message'
-			LIMIT 0, 1
-		`); err != nil {
-			mlog.Warn("Unable to determine the maximum supported post size", mlog.Err(err))
-		}
 	} else {
 		mlog.Error("No implementation found to determine the maximum supported post size")
 	}
@@ -2829,9 +2655,6 @@ func (s *SqlPostStore) GetParentsForExportAfter(limit int, afterId string, inclu
 		}
 
 		aggFn := "COALESCE(json_agg(u1.username) FILTER (WHERE u1.username IS NOT NULL), '[]')"
-		if s.DriverName() == model.DatabaseDriverMysql {
-			aggFn = "IF (COUNT(u1.Username) = 0, JSON_ARRAY(), JSON_ARRAYAGG(u1.Username))"
-		}
 		result := []*model.PostForExport{}
 
 		builder := s.getQueryBuilder().
@@ -2869,9 +2692,6 @@ func (s *SqlPostStore) GetParentsForExportAfter(limit int, afterId string, inclu
 
 func (s *SqlPostStore) GetRepliesForExport(rootId string) ([]*model.ReplyForExport, error) {
 	aggFn := "COALESCE(json_agg(u1.username) FILTER (WHERE u1.username IS NOT NULL), '[]')"
-	if s.DriverName() == model.DatabaseDriverMysql {
-		aggFn = "IF (COUNT(u1.Username) = 0, JSON_ARRAY(), JSON_ARRAYAGG(u1.Username))"
-	}
 	result := []*model.ReplyForExport{}
 
 	qb := s.getQueryBuilder().Select(fmt.Sprintf("Posts.*, u2.Username as Username, %s as FlaggedBy", aggFn)).
@@ -2898,9 +2718,6 @@ func (s *SqlPostStore) GetRepliesForExport(rootId string) ([]*model.ReplyForExpo
 
 func (s *SqlPostStore) GetDirectPostParentsForExportAfter(limit int, afterId string, includeArchivedChannels bool) ([]*model.DirectPostForExport, error) {
 	aggFn := "COALESCE(json_agg(u1.username) FILTER (WHERE u1.username IS NOT NULL), '[]')"
-	if s.DriverName() == model.DatabaseDriverMysql {
-		aggFn = "IF (COUNT(u1.Username) = 0, JSON_ARRAY(), JSON_ARRAYAGG(u1.Username))"
-	}
 	result := []*model.DirectPostForExport{}
 
 	query := s.getQueryBuilder().
@@ -3376,13 +3193,8 @@ func (s *SqlPostStore) SetPostReminder(reminder *model.PostReminder) error {
 	query := s.getQueryBuilder().
 		Insert("PostReminders").
 		Columns("PostId", "UserId", "TargetTime").
-		Values(reminder.PostId, reminder.UserId, reminder.TargetTime)
-
-	if s.DriverName() == model.DatabaseDriverMysql {
-		query = query.SuffixExpr(sq.Expr("ON DUPLICATE KEY UPDATE TargetTime = ?", reminder.TargetTime))
-	} else {
-		query = query.SuffixExpr(sq.Expr("ON CONFLICT (postid, userid) DO UPDATE SET TargetTime = ?", reminder.TargetTime))
-	}
+		Values(reminder.PostId, reminder.UserId, reminder.TargetTime).
+		SuffixExpr(sq.Expr("ON CONFLICT (postid, userid) DO UPDATE SET TargetTime = ?", reminder.TargetTime))
 
 	sql, args, err := query.ToSql()
 	if err != nil {
@@ -3418,6 +3230,7 @@ func (s *SqlPostStore) GetPostReminders(now int64) (_ []*model.PostReminder, err
 		return reminders, nil
 	}
 
+	// TODO: https://mattermost.atlassian.net/browse/MM-63368
 	// Postgres supports RETURNING * in a DELETE statement, but MySQL doesn't.
 	// So we are stuck with 2 queries. Not taking separate paths for Postgres
 	// and MySQL for simplicity.
diff --git a/server/channels/store/sqlstore/post_store_test.go b/server/channels/store/sqlstore/post_store_test.go
index c3334b5ec08..10456b97b39 100644
--- a/server/channels/store/sqlstore/post_store_test.go
+++ b/server/channels/store/sqlstore/post_store_test.go
@@ -6,8 +6,6 @@ package sqlstore
 import (
 	"testing"
 
-	"github.com/stretchr/testify/require"
-
 	"github.com/mattermost/mattermost/server/v8/channels/store/searchtest"
 	"github.com/mattermost/mattermost/server/v8/channels/store/storetest"
 )
@@ -19,47 +17,3 @@ func TestPostStore(t *testing.T) {
 func TestSearchPostStore(t *testing.T) {
 	StoreTestWithSearchTestEngine(t, searchtest.TestSearchPostStore)
 }
-
-func TestMysqlStopWords(t *testing.T) {
-	mysqlStopWordsTests := []struct {
-		Name     string
-		Args     []string
-		Expected []string
-		Empty    bool
-	}{
-		{
-			Name:     "Should remove only the stop words",
-			Args:     []string{"where is my car", "so this is real", "test this-and-that is awesome"},
-			Expected: []string{"my car", "so real", "test this-and-that awesome"},
-		},
-		{
-			Name:     "Should not remove part of a word containing stop words",
-			Args:     []string{"whereabouts", "wherein", "tothis", "thisorthat", "waswhen", "whowas", "inthe", "whowill", "thewww"},
-			Expected: []string{"whereabouts", "wherein", "tothis", "thisorthat", "waswhen", "whowas", "inthe", "whowill", "thewww"},
-		},
-		{
-			Name:  "Should remove all words from terms",
-			Args:  []string{"where about", "where in", "to this", "this or that", "was when", "who was", "in the", "who will", "the www"},
-			Empty: true,
-		},
-		{
-			Name:     "Should not remove part of a word containing stop words separated by hyphens",
-			Args:     []string{"where-about", "where-in", "to-this", "this-or-that", "was-when", "who-was", "in-the", "who-will", "the-www"},
-			Expected: []string{"where-about", "where-in", "to-this", "this-or-that", "was-when", "who-was", "in-the", "who-will", "the-www"},
-		},
-	}
-
-	for _, tc := range mysqlStopWordsTests {
-		t.Run(tc.Name, func(t *testing.T) {
-			for i, term := range tc.Args {
-				got, err := removeMysqlStopWordsFromTerms(term)
-				require.NoError(t, err)
-				if tc.Empty {
-					require.Empty(t, got)
-				} else {
-					require.Equal(t, tc.Expected[i], got)
-				}
-			}
-		})
-	}
-}
diff --git a/server/channels/store/sqlstore/preference_store.go b/server/channels/store/sqlstore/preference_store.go
index 986cbe53fc0..68c5620013e 100644
--- a/server/channels/store/sqlstore/preference_store.go
+++ b/server/channels/store/sqlstore/preference_store.go
@@ -72,15 +72,8 @@ func (s SqlPreferenceStore) save(transaction *sqlxTxWrapper, preference *model.P
 	query := s.getQueryBuilder().
 		Insert("Preferences").
 		Columns("UserId", "Category", "Name", "Value").
-		Values(preference.UserId, preference.Category, preference.Name, preference.Value)
-
-	if s.DriverName() == model.DatabaseDriverMysql {
-		query = query.SuffixExpr(sq.Expr("ON DUPLICATE KEY UPDATE Value = ?", preference.Value))
-	} else if s.DriverName() == model.DatabaseDriverPostgres {
-		query = query.SuffixExpr(sq.Expr("ON CONFLICT (userid, category, name) DO UPDATE SET Value = ?", preference.Value))
-	} else {
-		return store.NewErrNotImplemented("failed to update preference because of missing driver")
-	}
+		Values(preference.UserId, preference.Category, preference.Name, preference.Value).
+		SuffixExpr(sq.Expr("ON CONFLICT (userid, category, name) DO UPDATE SET Value = ?", preference.Value))
 
 	queryString, args, err := query.ToSql()
 	if err != nil {
@@ -103,15 +96,8 @@ func (s SqlPreferenceStore) saveTx(transaction *sqlxTxWrapper, preference *model
 	query := s.getQueryBuilder().
 		Insert("Preferences").
 		Columns("UserId", "Category", "Name", "Value").
-		Values(preference.UserId, preference.Category, preference.Name, preference.Value)
-
-	if s.DriverName() == model.DatabaseDriverMysql {
-		query = query.SuffixExpr(sq.Expr("ON DUPLICATE KEY UPDATE Value = ?", preference.Value))
-	} else if s.DriverName() == model.DatabaseDriverPostgres {
-		query = query.SuffixExpr(sq.Expr("ON CONFLICT (userid, category, name) DO UPDATE SET Value = ?", preference.Value))
-	} else {
-		return store.NewErrNotImplemented("failed to update preference because of missing driver")
-	}
+		Values(preference.UserId, preference.Category, preference.Name, preference.Value).
+		SuffixExpr(sq.Expr("ON CONFLICT (userid, category, name) DO UPDATE SET Value = ?", preference.Value))
 
 	queryString, args, err := query.ToSql()
 	if err != nil {
diff --git a/server/channels/store/sqlstore/property_group_store.go b/server/channels/store/sqlstore/property_group_store.go
index 44153b192cb..dcf24bbc0e0 100644
--- a/server/channels/store/sqlstore/property_group_store.go
+++ b/server/channels/store/sqlstore/property_group_store.go
@@ -34,11 +34,7 @@ func (s *SqlPropertyGroupStore) Register(name string) (*model.PropertyGroup, err
 		Columns("ID", "Name").
 		Values(group.ID, group.Name)
 
-	if s.DriverName() == model.DatabaseDriverMysql {
-		builder = builder.SuffixExpr(sq.Expr("ON DUPLICATE KEY UPDATE Name=Name"))
-	} else {
-		builder = builder.SuffixExpr(sq.Expr("ON CONFLICT (Name) DO NOTHING"))
-	}
+	builder = builder.SuffixExpr(sq.Expr("ON CONFLICT (Name) DO NOTHING"))
 
 	r, err := s.GetMaster().ExecBuilder(builder)
 	if err != nil {
diff --git a/server/channels/store/sqlstore/property_value_store.go b/server/channels/store/sqlstore/property_value_store.go
index 2551ab50a63..63072b354c8 100644
--- a/server/channels/store/sqlstore/property_value_store.go
+++ b/server/channels/store/sqlstore/property_value_store.go
@@ -241,57 +241,23 @@ func (s *SqlPropertyValueStore) Upsert(values []*model.PropertyValue) (_ []*mode
 			Columns("ID", "TargetID", "TargetType", "GroupID", "FieldID", "Value", "CreateAt", "UpdateAt", "DeleteAt").
 			Values(value.ID, value.TargetID, value.TargetType, value.GroupID, value.FieldID, valueJSON, value.CreateAt, value.UpdateAt, value.DeleteAt)
 
-		if s.DriverName() == model.DatabaseDriverMysql {
-			builder = builder.SuffixExpr(sq.Expr(
-				"ON DUPLICATE KEY UPDATE Value = ?, UpdateAt = ?, DeleteAt = ?",
-				valueJSON,
-				value.UpdateAt,
-				0,
-			))
+		builder = builder.SuffixExpr(sq.Expr(
+			"ON CONFLICT (GroupID, TargetID, FieldID) WHERE DeleteAt = 0 DO UPDATE SET Value = ?, UpdateAt = ?, DeleteAt = ? RETURNING *",
+			valueJSON,
+			value.UpdateAt,
+			0,
+		))
 
-			if _, err := transaction.ExecBuilder(builder); err != nil {
-				return nil, errors.Wrap(err, "property_value_upsert_exec")
-			}
-
-			// MySQL doesn't support RETURNING, so we need to fetch
-			// the new field to get its ID in case we hit a DUPLICATED
-			// KEY and the value.ID we have is not the right one
-			gBuilder := s.tableSelectQuery.Where(sq.Eq{
-				"GroupID":  value.GroupID,
-				"TargetID": value.TargetID,
-				"FieldID":  value.FieldID,
-				"DeleteAt": 0,
-			})
-
-			var values []*model.PropertyValue
-			if gErr := transaction.SelectBuilder(&values, gBuilder); gErr != nil {
-				return nil, errors.Wrap(gErr, "property_value_upsert_select")
-			}
-
-			if len(values) != 1 {
-				return nil, errors.New("property_value_upsert_select_length")
-			}
-
-			updatedValues[i] = values[0]
-		} else {
-			builder = builder.SuffixExpr(sq.Expr(
-				"ON CONFLICT (GroupID, TargetID, FieldID) WHERE DeleteAt = 0 DO UPDATE SET Value = ?, UpdateAt = ?, DeleteAt = ? RETURNING *",
-				valueJSON,
-				value.UpdateAt,
-				0,
-			))
-
-			var values []*model.PropertyValue
-			if err := transaction.SelectBuilder(&values, builder); err != nil {
-				return nil, errors.Wrapf(err, "failed to upsert property value with id: %s", value.ID)
-			}
-
-			if len(values) != 1 {
-				return nil, errors.New("property_value_upsert_select_length")
-			}
-
-			updatedValues[i] = values[0]
+		var values []*model.PropertyValue
+		if err := transaction.SelectBuilder(&values, builder); err != nil {
+			return nil, errors.Wrapf(err, "failed to upsert property value with id: %s", value.ID)
 		}
+
+		if len(values) != 1 {
+			return nil, errors.New("property_value_upsert_select_length")
+		}
+
+		updatedValues[i] = values[0]
 	}
 
 	if err := transaction.Commit(); err != nil {
diff --git a/server/channels/store/sqlstore/reaction_store.go b/server/channels/store/sqlstore/reaction_store.go
index 2928038a8ab..df06f265c72 100644
--- a/server/channels/store/sqlstore/reaction_store.go
+++ b/server/channels/store/sqlstore/reaction_store.go
@@ -367,28 +367,15 @@ func (s *SqlReactionStore) PermanentDeleteBatch(endTime int64, limit int64) (int
 func (s *SqlReactionStore) saveReactionAndUpdatePost(transaction *sqlxTxWrapper, reaction *model.Reaction) error {
 	reaction.DeleteAt = 0
 
-	if s.DriverName() == model.DatabaseDriverMysql {
-		if _, err := transaction.NamedExec(
-			`INSERT INTO
-				Reactions
-				(UserId, PostId, EmojiName, CreateAt, UpdateAt, DeleteAt, RemoteId, ChannelId)
-			VALUES
-				(:UserId, :PostId, :EmojiName, :CreateAt, :UpdateAt, :DeleteAt, :RemoteId, :ChannelId)
-			ON DUPLICATE KEY UPDATE
-				UpdateAt = :UpdateAt, DeleteAt = :DeleteAt, RemoteId = :RemoteId, ChannelId = :ChannelId`, reaction); err != nil {
-			return err
-		}
-	} else if s.DriverName() == model.DatabaseDriverPostgres {
-		if _, err := transaction.NamedExec(
-			`INSERT INTO
-				Reactions
-				(UserId, PostId, EmojiName, CreateAt, UpdateAt, DeleteAt, RemoteId, ChannelId)
-			VALUES
-				(:UserId, :PostId, :EmojiName, :CreateAt, :UpdateAt, :DeleteAt, :RemoteId, :ChannelId)
-			ON CONFLICT (UserId, PostId, EmojiName)
-				DO UPDATE SET UpdateAt = :UpdateAt, DeleteAt = :DeleteAt, RemoteId = :RemoteId, ChannelId = :ChannelId`, reaction); err != nil {
-			return err
-		}
+	if _, err := transaction.NamedExec(
+		`INSERT INTO
+			Reactions
+			(UserId, PostId, EmojiName, CreateAt, UpdateAt, DeleteAt, RemoteId, ChannelId)
+		VALUES
+			(:UserId, :PostId, :EmojiName, :CreateAt, :UpdateAt, :DeleteAt, :RemoteId, :ChannelId)
+		ON CONFLICT (UserId, PostId, EmojiName)
+			DO UPDATE SET UpdateAt = :UpdateAt, DeleteAt = :DeleteAt, RemoteId = :RemoteId, ChannelId = :ChannelId`, reaction); err != nil {
+		return err
 	}
 	return updatePostForReactionsOnInsert(transaction, reaction.PostId)
 }
diff --git a/server/channels/store/sqlstore/retention_policy_store.go b/server/channels/store/sqlstore/retention_policy_store.go
index f0881fe6dd7..fbd41c1494d 100644
--- a/server/channels/store/sqlstore/retention_policy_store.go
+++ b/server/channels/store/sqlstore/retention_policy_store.go
@@ -10,7 +10,6 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/go-sql-driver/mysql"
 	"github.com/lib/pq"
 	sq "github.com/mattermost/squirrel"
 	"github.com/pkg/errors"
@@ -374,11 +373,6 @@ func (s *SqlRetentionPolicyStore) buildGetPoliciesQuery(id string, offset, limit
 		return "", nil, errors.Wrap(err, "retention_policies_tosql")
 	}
 
-	// MySQL does not support positional params, so we add one param for each WHERE clause.
-	if s.DriverName() == model.DatabaseDriverMysql {
-		args = append(args, args...)
-	}
-
 	return queryString, args, nil
 }
 
@@ -516,10 +510,6 @@ func (s *SqlRetentionPolicyStore) AddChannels(policyId string, channelIds []stri
 			if dbErr.Code == PGForeignKeyViolationErrorCode {
 				return store.NewErrNotFound("RetentionPolicy", policyId)
 			}
-		case *mysql.MySQLError:
-			if dbErr.Number == MySQLForeignKeyViolationErrorCode {
-				return store.NewErrNotFound("RetentionPolicy", policyId)
-			}
 		}
 	}
 
@@ -1063,82 +1053,45 @@ func genericRetentionPoliciesDeletion(
 		}
 		defer finalizeTransactionX(txn, &err)
 
-		if s.DriverName() == model.DatabaseDriverPostgres {
-			primaryKeysStr := "(" + strings.Join(r.PrimaryKeys, ",") + ")"
+		primaryKeysStr := "(" + strings.Join(r.PrimaryKeys, ",") + ")"
 
-			query = fmt.Sprintf("DELETE FROM %s WHERE %s IN (%s) RETURNING %s.%s", r.Table, primaryKeysStr, query, r.Table, r.PrimaryKeys[0])
-			var rows *sql.Rows
-			rows, err = txn.Query(query, args...)
-			if err != nil {
-				return 0, errors.Wrap(err, "failed to delete "+r.Table)
-			}
+		query = fmt.Sprintf("DELETE FROM %s WHERE %s IN (%s) RETURNING %s.%s", r.Table, primaryKeysStr, query, r.Table, r.PrimaryKeys[0])
+		var rows *sql.Rows
+		rows, err = txn.Query(query, args...)
+		if err != nil {
+			return 0, errors.Wrap(err, "failed to delete "+r.Table)
+		}
 
-			defer rows.Close()
-			ids := []string{}
-			for rows.Next() {
-				var id string
-				if err = rows.Scan(&id); err != nil {
-					return 0, errors.Wrap(err, "unable to scan from rows")
-				}
-				ids = append(ids, id)
+		defer rows.Close()
+		ids := []string{}
+		for rows.Next() {
+			var id string
+			if err = rows.Scan(&id); err != nil {
+				return 0, errors.Wrap(err, "unable to scan from rows")
 			}
-			if err = rows.Err(); err != nil {
-				return 0, errors.Wrap(err, "failed while iterating over rows")
-			}
-			rowsAffected = int64(len(ids))
+			ids = append(ids, id)
+		}
+		if err = rows.Err(); err != nil {
+			return 0, errors.Wrap(err, "failed while iterating over rows")
+		}
+		rowsAffected = int64(len(ids))
 
-			if len(ids) > 0 {
-				retentionIdsRow := model.RetentionIdsForDeletion{
-					TableName: r.Table,
-					Ids:       ids,
-				}
-				err = insertRetentionIdsForDeletion(txn, &retentionIdsRow, s)
-				if err != nil {
-					return 0, err
-				}
-			}
-		} else {
+		if len(ids) > 0 {
 			retentionIdsRow := model.RetentionIdsForDeletion{
 				TableName: r.Table,
-				Ids:       []string{},
+				Ids:       ids,
 			}
-			// 1. Select rows that will be deleted
-			if err = txn.Select(&retentionIdsRow.Ids, query, args...); err != nil {
+			err = insertRetentionIdsForDeletion(txn, &retentionIdsRow, s)
+			if err != nil {
 				return 0, err
 			}
-
-			if len(retentionIdsRow.Ids) > 0 {
-				// 2. Insert selected ids into RetentionIdsForDeletion table
-				err = insertRetentionIdsForDeletion(txn, &retentionIdsRow, s)
-				if err != nil {
-					return 0, err
-				}
-
-				query = getDeleteQueriesForMySQL(r, query)
-
-				// 3. Delete from Parent table
-				var result sql.Result
-				result, err = txn.Exec(query, args...)
-				if err != nil {
-					return 0, errors.Wrap(err, "failed to delete "+r.Table)
-				}
-
-				rowsAffected, err = result.RowsAffected()
-				if err != nil {
-					return 0, errors.Wrap(err, "failed to get rows affected for "+r.Table)
-				}
-			}
 		}
 		if err = txn.Commit(); err != nil {
 			return 0, err
 		}
 	} else {
-		if s.DriverName() == model.DatabaseDriverPostgres {
-			primaryKeysStr := "(" + strings.Join(r.PrimaryKeys, ",") + ")"
-			query = fmt.Sprintf("DELETE FROM %s WHERE %s IN (%s)", r.Table, primaryKeysStr, query)
-		} else {
-			query = getDeleteQueriesForMySQL(r, query)
-		}
+		primaryKeysStr := "(" + strings.Join(r.PrimaryKeys, ",") + ")"
+		query = fmt.Sprintf("DELETE FROM %s WHERE %s IN (%s)", r.Table, primaryKeysStr, query)
 		result, err := s.GetMaster().Exec(query, args...)
 		if err != nil {
 			return 0, errors.Wrap(err, "failed to delete "+r.Table)
@@ -1151,16 +1104,6 @@ func genericRetentionPoliciesDeletion(
 	return
 }
 
-func getDeleteQueriesForMySQL(r RetentionPolicyBatchDeletionInfo, query string) string {
-	// MySQL does not support the LIMIT clause in a subquery with IN
-	clauses := make([]string, len(r.PrimaryKeys))
-	for i, key := range r.PrimaryKeys {
-		clauses[i] = r.Table + "." + key + " = A." + key
-	}
-	joinClause := strings.Join(clauses, " AND ")
-	return fmt.Sprintf("DELETE %s FROM %s INNER JOIN (%s) AS A ON %s", r.Table, r.Table, query, joinClause)
-}
-
 func deleteFromRetentionIdsTx(txn *sqlxTxWrapper, id string) error {
 	_, err := txn.Exec("DELETE FROM RetentionIdsForDeletion WHERE Id = ?", id)
 	if err != nil {
diff --git a/server/channels/store/sqlstore/schema_dump_test.go b/server/channels/store/sqlstore/schema_dump_test.go
index a35300f4a1d..9a3071d1198 100644
--- a/server/channels/store/sqlstore/schema_dump_test.go
+++ b/server/channels/store/sqlstore/schema_dump_test.go
@@ -16,18 +16,6 @@ import (
 
 func TestGetSchemaDefinition(t *testing.T) {
 	StoreTest(t, func(t *testing.T, rctx request.CTX, ss store.Store) {
-		t.Run("MySQL", func(t *testing.T) {
-			if ss.(*SqlStore).DriverName() != model.DatabaseDriverMysql {
-				t.Skip("Skipping test as database is not MySQL")
-			}
-
-			// Schema dump is only supported for Postgres
-			schemaInfo, err := ss.GetSchemaDefinition()
-			require.Error(t, err)
-			require.Nil(t, schemaInfo)
-			assert.Contains(t, err.Error(), "only supported for Postgres")
-		})
-
 		t.Run("PostgreSQL", func(t *testing.T) {
 			if ss.(*SqlStore).DriverName() != model.DatabaseDriverPostgres {
 				t.Skip("Skipping test as database is not PostgreSQL")
diff --git a/server/channels/store/sqlstore/session_store.go b/server/channels/store/sqlstore/session_store.go
index 18295d51f11..57bd12b6d96 100644
--- a/server/channels/store/sqlstore/session_store.go
+++ b/server/channels/store/sqlstore/session_store.go
@@ -186,12 +186,8 @@ func (me SqlSessionStore) GetSessionsWithActiveDeviceIds(userId string) ([]*mode
 		Where(sq.GtOrEq{"ExpiresAt": now}).
 		Where(sq.NotEq{"DeviceId": ""})
 
-	// Add the last_removed_device_id condition based on the driver
-	if me.DriverName() == model.DatabaseDriverMysql {
-		builder = builder.Where("DeviceId != COALESCE(Props->>'$.last_removed_device_id', '')")
-	} else {
-		builder = builder.Where("DeviceId != COALESCE(Props->>'last_removed_device_id', '')")
-	}
+	// Add the last_removed_device_id condition
+	builder = builder.Where("DeviceId != COALESCE(Props->>'last_removed_device_id', '')")
 
 	sessions := []*model.Session{}
 
@@ -205,11 +201,6 @@ func (me SqlSessionStore) GetMobileSessionMetadata() ([]*model.MobileSessionMeta
 	versionProp := model.SessionPropMobileVersion
 	notificationDisabledProp := model.SessionPropDeviceNotificationDisabled
 	platformQuery := "NULLIF(SPLIT_PART(deviceid, ':', 1), '')"
-	if me.DriverName() == model.DatabaseDriverMysql {
-		versionProp = "$." + versionProp
-		notificationDisabledProp = "$." + notificationDisabledProp
-		platformQuery = "NULLIF(SUBSTRING_INDEX(deviceid, ':', 1), deviceid)"
-	}
 
 	query, args, err := me.getQueryBuilder().
 		Select(fmt.Sprintf(
diff --git a/server/channels/store/sqlstore/shared_channel_store.go b/server/channels/store/sqlstore/shared_channel_store.go
index a3afb4e567e..2a4f722fb1d 100644
--- a/server/channels/store/sqlstore/shared_channel_store.go
+++ b/server/channels/store/sqlstore/shared_channel_store.go
@@ -920,11 +920,7 @@ func (s SqlSharedChannelStore) UpsertAttachment(attachment *model.SharedChannelA
 		Columns(sharedChannelAttachementFields("")...).
 		Values(attachment.Id, attachment.FileId, attachment.RemoteId, attachment.CreateAt, attachment.LastSyncAt)
 
-	if s.DriverName() == model.DatabaseDriverMysql {
-		query = query.SuffixExpr(sq.Expr("ON DUPLICATE KEY UPDATE LastSyncAt = ?", attachment.LastSyncAt))
-	} else if s.DriverName() == model.DatabaseDriverPostgres {
-		query = query.SuffixExpr(sq.Expr("ON CONFLICT (id) DO UPDATE SET LastSyncAt = ?", attachment.LastSyncAt))
-	}
+	query = query.SuffixExpr(sq.Expr("ON CONFLICT (id) DO UPDATE SET LastSyncAt = ?", attachment.LastSyncAt))
 
 	queryString, args, err := query.ToSql()
 	if err != nil {
diff --git a/server/channels/store/sqlstore/sqlx_wrapper_test.go b/server/channels/store/sqlstore/sqlx_wrapper_test.go
index 35dab5bbedc..01449d833c1 100644
--- a/server/channels/store/sqlstore/sqlx_wrapper_test.go
+++ b/server/channels/store/sqlstore/sqlx_wrapper_test.go
@@ -20,7 +20,6 @@ func TestSqlX(t *testing.T) {
 	t.Run("NamedQuery", func(t *testing.T) {
 		testDrivers := []string{
 			model.DatabaseDriverPostgres,
-			model.DatabaseDriverMysql,
 		}
 
 		for _, driver := range testDrivers {
@@ -45,12 +44,7 @@ func TestSqlX(t *testing.T) {
 			tx, err := store.GetMaster().Beginx()
 			require.NoError(t, err)
 
-			var query string
-			if store.DriverName() == model.DatabaseDriverMysql {
-				query = `SELECT SLEEP(:Timeout);`
-			} else if store.DriverName() == model.DatabaseDriverPostgres {
-				query = `SELECT pg_sleep(:timeout);`
-			}
+			query := `SELECT pg_sleep(:timeout);`
 			arg := struct{ Timeout int }{Timeout: 2}
 			_, err = tx.NamedQuery(query, arg)
 			require.Equal(t, context.DeadlineExceeded, err)
@@ -94,7 +88,6 @@ func TestSqlX(t *testing.T) {
 func TestSqlxSelect(t *testing.T) {
 	testDrivers := []string{
 		model.DatabaseDriverPostgres,
-		model.DatabaseDriverMysql,
 	}
 	for _, driver := range testDrivers {
 		t.Run(driver, func(t *testing.T) {
@@ -124,12 +117,7 @@ func TestSqlxSelect(t *testing.T) {
 				// Test timeout
 				ctx, cancel := context.WithTimeout(context.Background(), 1)
 				defer cancel()
-				var query string
-				if driver == model.DatabaseDriverMysql {
-					query = "SELECT SLEEP(2)"
-				} else {
-					query = "SELECT pg_sleep(2)"
-				}
+				query := "SELECT pg_sleep(2)"
 				err = store.GetMaster().SelectCtx(ctx, &result, query)
 				require.Error(t, err)
 				require.Equal(t, context.DeadlineExceeded, err)
@@ -146,13 +134,8 @@ func TestSqlxSelect(t *testing.T) {
 				// Test timeout
 				ctx, cancel := context.WithTimeout(context.Background(), 1)
 				defer cancel()
-				if driver == model.DatabaseDriverMysql {
-					builder = store.getQueryBuilder().
-						Select("SLEEP(2)")
-				} else {
-					builder = store.getQueryBuilder().
-						Select("pg_sleep(2)")
-				}
+				builder = store.getQueryBuilder().
+					Select("pg_sleep(2)")
 				err = store.GetMaster().SelectBuilderCtx(ctx, &result, builder)
 				require.Error(t, err)
 				require.Equal(t, context.DeadlineExceeded, err)
diff --git a/server/channels/store/sqlstore/status_store.go b/server/channels/store/sqlstore/status_store.go
index c225a5cf594..da4f0fb5812 100644
--- a/server/channels/store/sqlstore/status_store.go
+++ b/server/channels/store/sqlstore/status_store.go
@@ -47,11 +47,7 @@ func (s SqlStatusStore) SaveOrUpdate(st *model.Status) error {
 		Columns("UserId", "Status", quoteColumnName(s.DriverName(), "Manual"), "LastActivityAt", "DNDEndTime", "PrevStatus").
 		Values(st.UserId, st.Status, st.Manual, st.LastActivityAt, st.DNDEndTime, st.PrevStatus)
 
-	if s.DriverName() == model.DatabaseDriverMysql {
-		query = query.SuffixExpr(sq.Expr("ON DUPLICATE KEY UPDATE Status = VALUES(Status), `Manual` = VALUES(`Manual`), LastActivityAt = VALUES(LastActivityAt), DNDEndTime = VALUES(DNDEndTime), PrevStatus = VALUES(PrevStatus)"))
-	} else {
-		query = query.SuffixExpr(sq.Expr("ON CONFLICT (userid) DO UPDATE SET Status = EXCLUDED.Status, Manual = EXCLUDED.Manual, LastActivityAt = EXCLUDED.LastActivityAt, DNDEndTime = EXCLUDED.DNDEndTime, PrevStatus = EXCLUDED.PrevStatus"))
-	}
+	query = query.SuffixExpr(sq.Expr("ON CONFLICT (userid) DO UPDATE SET Status = EXCLUDED.Status, Manual = EXCLUDED.Manual, LastActivityAt = EXCLUDED.LastActivityAt, DNDEndTime = EXCLUDED.DNDEndTime, PrevStatus = EXCLUDED.PrevStatus"))
 
 	if _, err := s.GetMaster().ExecBuilder(query); err != nil {
 		return errors.Wrap(err, "failed to upsert Status")
@@ -81,12 +77,8 @@ func (s SqlStatusStore) SaveOrUpdateMany(statuses map[string]*model.Status) erro
 		query = query.Values(st.UserId, st.Status, st.Manual, st.LastActivityAt, st.DNDEndTime, st.PrevStatus)
 	}
 
-	// Handle different databases
-	if s.DriverName() == model.DatabaseDriverMysql {
-		query = query.SuffixExpr(sq.Expr("ON DUPLICATE KEY UPDATE Status = VALUES(Status), `Manual` = VALUES(`Manual`), LastActivityAt = VALUES(LastActivityAt), DNDEndTime = VALUES(DNDEndTime), PrevStatus = VALUES(PrevStatus)"))
-	} else {
-		query = query.SuffixExpr(sq.Expr("ON CONFLICT (userid) DO UPDATE SET Status = EXCLUDED.Status, Manual = EXCLUDED.Manual, LastActivityAt = EXCLUDED.LastActivityAt, DNDEndTime = EXCLUDED.DNDEndTime, PrevStatus = EXCLUDED.PrevStatus"))
-	}
+	// Handle upsert for PostgreSQL
+	query = query.SuffixExpr(sq.Expr("ON CONFLICT (userid) DO UPDATE SET Status = EXCLUDED.Status, Manual = EXCLUDED.Manual, LastActivityAt = EXCLUDED.LastActivityAt, DNDEndTime = EXCLUDED.DNDEndTime, PrevStatus = EXCLUDED.PrevStatus"))
 
 	if _, err := s.GetMaster().ExecBuilder(query); err != nil {
 		return errors.Wrap(err, "failed to upsert multiple Status records")
@@ -120,68 +112,7 @@ func (s SqlStatusStore) GetByIds(userIds []string) ([]*model.Status, error) {
 	return statuses, nil
 }
 
-// MySQL doesn't have support for RETURNING clause, so we use a transaction to get the updated rows.
-func (s SqlStatusStore) updateExpiredStatuses(t *sqlxTxWrapper) ([]*model.Status, error) {
-	statuses := []*model.Status{}
-	currUnixTime := time.Now().UTC().Unix()
-	selectQuery := s.statusSelectQuery.Where(
-		sq.And{
-			sq.Eq{"Status": model.StatusDnd},
-			sq.Gt{"DNDEndTime": 0},
-			sq.LtOrEq{"DNDEndTime": currUnixTime},
-		},
-	)
-
-	err := t.SelectBuilder(&statuses, selectQuery)
-	if err != nil {
-		return nil, errors.Wrap(err, "updateExpiredStatusesT: failed to get expired dnd statuses")
-	}
-	updateQuery := s.getQueryBuilder().
-		Update("Status").
-		Where(
-			sq.And{
-				sq.Eq{"Status": model.StatusDnd},
-				sq.Gt{"DNDEndTime": 0},
-				sq.LtOrEq{"DNDEndTime": currUnixTime},
-			},
-		).
-		Set("Status", sq.Expr("PrevStatus")).
-		Set("PrevStatus", model.StatusDnd).
-		Set("DNDEndTime", 0).
-		Set(quoteColumnName(s.DriverName(), "Manual"), false)
-
-	if _, err := t.ExecBuilder(updateQuery); err != nil {
-		return nil, errors.Wrapf(err, "updateExpiredStatusesT: failed to update statuses")
-	}
-
-	return statuses, nil
-}
-
 func (s SqlStatusStore) UpdateExpiredDNDStatuses() (_ []*model.Status, err error) {
-	if s.DriverName() == model.DatabaseDriverMysql {
-		transaction, terr := s.GetMaster().Beginx()
-		if terr != nil {
-			return nil, errors.Wrap(terr, "UpdateExpiredDNDStatuses: begin_transaction")
-		}
-		defer finalizeTransactionX(transaction, &terr)
-		statuses, terr := s.updateExpiredStatuses(transaction)
-		if terr != nil {
-			return nil, errors.Wrap(terr, "UpdateExpiredDNDStatuses: updateExpiredDNDStatusesT")
-		}
-		if terr = transaction.Commit(); terr != nil {
-			return nil, errors.Wrap(terr, "UpdateExpiredDNDStatuses: commit_transaction")
-		}
-
-		for _, status := range statuses {
-			status.Status = status.PrevStatus
-			status.PrevStatus = model.StatusDnd
-			status.DNDEndTime = 0
-			status.Manual = false
-		}
-
-		return statuses, nil
-	}
-
 	queryString := s.getQueryBuilder().
 		Update("Status").
 		Where(
diff --git a/server/channels/store/sqlstore/store.go b/server/channels/store/sqlstore/store.go
index 0be8017802c..b93991b2517 100644
--- a/server/channels/store/sqlstore/store.go
+++ b/server/channels/store/sqlstore/store.go
@@ -18,7 +18,6 @@ import (
 
 	sq "github.com/mattermost/squirrel"
 
-	"github.com/go-sql-driver/mysql"
 	_ "github.com/golang-migrate/migrate/v4/source/file"
 	"github.com/jmoiron/sqlx"
 	"github.com/lib/pq"
@@ -37,25 +36,20 @@ type migrationDirection string
 type Option func(s *SqlStore) error
 
 const (
-	IndexTypeFullText                 = "full_text"
-	IndexTypeFullTextFunc             = "full_text_func"
-	IndexTypeDefault                  = "default"
-	PGDupTableErrorCode               = "42P07"      // see https://github.com/lib/pq/blob/master/error.go#L268
-	MySQLDupTableErrorCode            = uint16(1050) // see https://dev.mysql.com/doc/mysql-errors/5.7/en/server-error-reference.html#error_er_table_exists_error
-	PGForeignKeyViolationErrorCode    = "23503"
-	MySQLForeignKeyViolationErrorCode = 1452
-	PGDuplicateObjectErrorCode        = "42710"
-	MySQLDuplicateObjectErrorCode     = 1022
-	DBPingAttempts                    = 5
-	DBReplicaPingAttempts             = 2
+	IndexTypeFullText              = "full_text"
+	IndexTypeFullTextFunc          = "full_text_func"
+	IndexTypeDefault               = "default"
+	PGDupTableErrorCode            = "42P07" // see https://github.com/lib/pq/blob/master/error.go#L268
+	PGForeignKeyViolationErrorCode = "23503"
+	PGDuplicateObjectErrorCode     = "42710"
+	DBPingAttempts                 = 5
+	DBReplicaPingAttempts          = 2
 	// This is a numerical version string by postgres. The format is
 	// 2 characters for major, minor, and patch version prior to 10.
 	// After 10, it's major and minor only.
 	// 10.1 would be 100001.
 	// 9.6.3 would be 90603.
 	minimumRequiredPostgresVersion = 130000
-	// major*1000 + minor*100 + patch
-	minimumRequiredMySQLVersion = 8000
 
 	migrationsDirectionUp   migrationDirection = "up"
 	migrationsDirectionDown migrationDirection = "down"
@@ -65,8 +59,6 @@ const (
 	RemoteClusterSiteURLUniqueIndex = "remote_clusters_site_url_unique"
 )
 
-var tablesToCheckForCollation = []string{"incomingwebhooks", "preferences", "users", "uploadsessions", "channels", "publicchannels"}
-
 type SqlStoreStores struct {
 	team                       store.TeamStore
 	channel                    store.ChannelStore
@@ -201,11 +193,6 @@ func New(settings model.SqlSettings, logger mlog.LoggerIFace, metrics einterface
 		return nil, errors.Wrap(err, "error while checking DB version")
 	}
 
-	err = store.ensureDatabaseCollation()
-	if err != nil {
-		return nil, errors.Wrap(err, "error while checking DB collation")
-	}
-
 	if !store.skipMigrations {
 		err = store.migrate(migrationsDirectionUp, false, !store.disableMorphLogging)
 		if err != nil {
@@ -292,20 +279,8 @@ func (ss *SqlStore) Logger() mlog.LoggerIFace {
 	return ss.logger
 }
 
-func noOpMapper(s string) string { return s }
-
 func (ss *SqlStore) initConnection() error {
 	dataSource := *ss.settings.DataSource
-	if ss.DriverName() == model.DatabaseDriverMysql {
-		// TODO: We ignore the readTimeout datasource parameter for MySQL since QueryTimeout
-		// covers that already. Ideally we'd like to do this only for the upgrade
-		// step. To be reviewed in MM-35789.
-		var err error
-		dataSource, err = sqlUtils.ResetReadTimeout(dataSource)
-		if err != nil {
-			return errors.Wrap(err, "failed to reset read timeout from datasource")
-		}
-	}
 
 	handle, err := sqlUtils.SetupConnection(ss.Logger(), "master", dataSource, ss.settings, DBPingAttempts)
 	if err != nil {
@@ -314,9 +289,6 @@ func (ss *SqlStore) initConnection() error {
 	ss.masterX = newSqlxDBWrapper(sqlx.NewDb(handle, ss.DriverName()),
 		time.Duration(*ss.settings.QueryTimeout)*time.Second,
 		*ss.settings.Trace)
-	if ss.DriverName() == model.DatabaseDriverMysql {
-		ss.masterX.MapperFunc(noOpMapper)
-	}
 	if ss.metrics != nil {
 		ss.metrics.RegisterDBCollector(ss.masterX.DB.DB, "master")
 	}
@@ -429,8 +401,6 @@ func (ss *SqlStore) GetDbVersion(numerical bool) (string, error) {
 		} else {
 			sqlVersion = `SHOW server_version`
 		}
-	} else if ss.DriverName() == model.DatabaseDriverMysql {
-		sqlVersion = `SELECT version()`
 	} else {
 		return "", errors.New("Not supported driver")
 	}
@@ -452,9 +422,6 @@ func (ss *SqlStore) SetMasterX(db *sql.DB) {
 	ss.masterX = newSqlxDBWrapper(sqlx.NewDb(db, ss.DriverName()),
 		time.Duration(*ss.settings.QueryTimeout)*time.Second,
 		*ss.settings.Trace)
-	if ss.DriverName() == model.DatabaseDriverMysql {
-		ss.masterX.MapperFunc(noOpMapper)
-	}
 }
 
 func (ss *SqlStore) GetInternalMasterDB() *sql.DB {
@@ -538,9 +505,6 @@ func (ss *SqlStore) setDB(replica *atomic.Pointer[sqlxDBWrapper], handle *sql.DB
 	replica.Store(newSqlxDBWrapper(sqlx.NewDb(handle, ss.DriverName()),
 		time.Duration(*ss.settings.QueryTimeout)*time.Second,
 		*ss.settings.Trace))
-	if ss.DriverName() == model.DatabaseDriverMysql {
-		replica.Load().MapperFunc(noOpMapper)
-	}
 	if ss.metrics != nil {
 		ss.metrics.RegisterDBCollector(replica.Load().DB.DB, name)
 	}
@@ -642,184 +606,12 @@ func (ss *SqlStore) MarkSystemRanUnitTests() {
 	}
 }
 
-func (ss *SqlStore) DoesTableExist(tableName string) bool {
-	if ss.DriverName() == model.DatabaseDriverPostgres {
-		var count int64
-		err := ss.GetMaster().Get(&count,
-			`SELECT count(relname) FROM pg_class WHERE relname=$1`,
-			strings.ToLower(tableName),
-		)
-		if err != nil {
-			mlog.Fatal("Failed to check if table exists", mlog.Err(err))
-		}
-
-		return count > 0
-	} else if ss.DriverName() == model.DatabaseDriverMysql {
-		var count int64
-		err := ss.GetMaster().Get(&count,
-			`SELECT
-		    COUNT(0) AS table_exists
-			FROM
-			    information_schema.TABLES
-			WHERE
-			    TABLE_SCHEMA = DATABASE()
-			        AND TABLE_NAME = ?
-		    `,
-			tableName,
-		)
-		if err != nil {
-			mlog.Fatal("Failed to check if table exists", mlog.Err(err))
-		}
-
-		return count > 0
-	}
-	mlog.Fatal("Failed to check if column exists because of missing driver")
-	return false
-}
-
-func (ss *SqlStore) DoesColumnExist(tableName string, columnName string) bool {
-	if ss.DriverName() == model.DatabaseDriverPostgres {
-		var count int64
-		err := ss.GetMaster().Get(&count,
-			`SELECT COUNT(0)
-			FROM   pg_attribute
-			WHERE  attrelid = $1::regclass
-			AND    attname = $2
-			AND    NOT attisdropped`,
-			strings.ToLower(tableName),
-			strings.ToLower(columnName),
-		)
-		if err != nil {
-			if err.Error() == "pq: relation \""+strings.ToLower(tableName)+"\" does not exist" {
-				return false
-			}
-
-			mlog.Fatal("Failed to check if column exists", mlog.Err(err))
-		}
-
-		return count > 0
-	} else if ss.DriverName() == model.DatabaseDriverMysql {
-		var count int64
-		err := ss.GetMaster().Get(&count,
-			`SELECT
-		    COUNT(0) AS column_exists
-		FROM
-		    information_schema.COLUMNS
-		WHERE
-		    TABLE_SCHEMA = DATABASE()
-		        AND TABLE_NAME = ?
-		        AND COLUMN_NAME = ?`,
-			tableName,
-			columnName,
-		)
-		if err != nil {
-			mlog.Fatal("Failed to check if column exists", mlog.Err(err))
-		}
-
-		return count > 0
-	}
-	mlog.Fatal("Failed to check if column exists because of missing driver")
-	return false
-}
-
-func (ss *SqlStore) DoesTriggerExist(triggerName string) bool {
-	if ss.DriverName() == model.DatabaseDriverPostgres {
-		var count int64
-		err := ss.GetMaster().Get(&count, `
-			SELECT
-				COUNT(0)
-			FROM
-				pg_trigger
-			WHERE
-				tgname = $1
-		`, triggerName)
-		if err != nil {
-			mlog.Fatal("Failed to check if trigger exists", mlog.Err(err))
-		}
-
-		return count > 0
-	} else if ss.DriverName() == model.DatabaseDriverMysql {
-		var count int64
-		err := ss.GetMaster().Get(&count, `
-			SELECT
-				COUNT(0)
-			FROM
-				information_schema.triggers
-			WHERE
-				trigger_schema = DATABASE()
-			AND	trigger_name = ?
-		`, triggerName)
-		if err != nil {
-			mlog.Fatal("Failed to check if trigger exists", mlog.Err(err))
-		}
-
-		return count > 0
-	}
-	mlog.Fatal("Failed to check if column exists because of missing driver")
-	return false
-}
-
-func (ss *SqlStore) CreateColumnIfNotExists(tableName string, columnName string, mySqlColType string, postgresColType string, defaultValue string) bool {
-	if ss.DoesColumnExist(tableName, columnName) {
-		return false
-	}
-
-	if ss.DriverName() == model.DatabaseDriverPostgres {
-		_, err := ss.GetMaster().ExecNoTimeout("ALTER TABLE " + tableName + " ADD " + columnName + " " + postgresColType + " DEFAULT '" + defaultValue + "'")
-		if err != nil {
-			mlog.Fatal("Failed to create column", mlog.Err(err))
-		}
-
-		return true
-	} else if ss.DriverName() == model.DatabaseDriverMysql {
-		_, err := ss.GetMaster().ExecNoTimeout("ALTER TABLE " + tableName + " ADD " + columnName + " " + mySqlColType + " DEFAULT '" + defaultValue + "'")
-		if err != nil {
-			mlog.Fatal("Failed to create column", mlog.Err(err))
-		}
-
-		return true
-	}
-	mlog.Fatal("Failed to create column because of missing driver")
-	return false
-}
-
-func (ss *SqlStore) RemoveTableIfExists(tableName string) bool {
-	if !ss.DoesTableExist(tableName) {
-		return false
-	}
-
-	_, err := ss.GetMaster().ExecNoTimeout("DROP TABLE " + tableName)
-	if err != nil {
-		mlog.Fatal("Failed to drop table", mlog.Err(err))
-	}
-
-	return true
-}
-
-func IsConstraintAlreadyExistsError(err error) bool {
-	switch dbErr := err.(type) {
-	case *pq.Error:
-		if dbErr.Code == PGDuplicateObjectErrorCode {
-			return true
-		}
-	case *mysql.MySQLError:
-		if dbErr.Number == MySQLDuplicateObjectErrorCode {
-			return true
-		}
-	}
-	return false
-}
-
 func IsUniqueConstraintError(err error, indexName []string) bool {
 	unique := false
 	if pqErr, ok := err.(*pq.Error); ok && pqErr.Code == "23505" {
 		unique = true
 	}
 
-	if mysqlErr, ok := err.(*mysql.MySQLError); ok && mysqlErr.Number == 1062 {
-		unique = true
-	}
-
 	field := false
 	for _, contain := range indexName {
 		if strings.Contains(err.Error(), contain) {
@@ -1093,28 +885,18 @@ func (ss *SqlStore) Attributes() store.AttributesStore {
 }
 
 func (ss *SqlStore) DropAllTables() {
-	if ss.DriverName() == model.DatabaseDriverPostgres {
-		ss.masterX.Exec(`DO
-			$func$
-			BEGIN
-			   EXECUTE
-			   (SELECT 'TRUNCATE TABLE ' || string_agg(oid::regclass::text, ', ') || ' CASCADE'
-			    FROM   pg_class
-			    WHERE  relkind = 'r'  -- only tables
-			    AND    relnamespace = 'public'::regnamespace
-				AND NOT relname = 'db_migrations'
-			   );
-			END
-			$func$;`)
-	} else {
-		tables := []string{}
-		ss.masterX.Select(&tables, `show tables`)
-		for _, t := range tables {
-			if t != "db_migrations" {
-				ss.masterX.Exec(`TRUNCATE TABLE ` + t)
-			}
-		}
-	}
+	ss.masterX.Exec(`DO
+		$func$
+		BEGIN
+		   EXECUTE
+		   (SELECT 'TRUNCATE TABLE ' || string_agg(oid::regclass::text, ', ') || ' CASCADE'
+		    FROM   pg_class
+		    WHERE  relkind = 'r'  -- only tables
+		    AND    relnamespace = 'public'::regnamespace
+			AND NOT relname = 'db_migrations'
+		   );
+		END
+		$func$;`)
 }
 
 func (ss *SqlStore) getQueryBuilder() sq.StatementBuilderType {
@@ -1122,10 +904,7 @@ func (ss *SqlStore) getQueryBuilder() sq.StatementBuilderType {
 }
 
 func (ss *SqlStore) getQueryPlaceholder() sq.PlaceholderFormat {
-	if ss.DriverName() == model.DatabaseDriverPostgres {
-		return sq.Dollar
-	}
-	return sq.Question
+	return sq.Dollar
 }
 
 // getSubQueryBuilder is necessary to generate the SQL query and args to pass to sub-queries because squirrel does not support WHERE clause in sub-queries.
@@ -1174,16 +953,10 @@ func convertMySQLFullTextColumnsToPostgres(columnNames string) string {
 // tables in the database.
 func IsDuplicate(err error) bool {
 	var pqErr *pq.Error
-	var mysqlErr *mysql.MySQLError
-	switch {
-	case errors.As(errors.Cause(err), &pqErr):
+	if errors.As(errors.Cause(err), &pqErr) {
 		if pqErr.Code == PGDupTableErrorCode {
 			return true
 		}
-	case errors.As(errors.Cause(err), &mysqlErr):
-		if mysqlErr.Number == MySQLDupTableErrorCode {
-			return true
-		}
 	}
 
 	return false
@@ -1201,106 +974,22 @@ func (ss *SqlStore) ensureMinimumDBVersion(ver string) (bool, error) {
 		if intVer < minimumRequiredPostgresVersion {
 			return false, fmt.Errorf("minimum Postgres version requirements not met. Found: %s, Wanted: %s", versionString(intVer, *ss.settings.DriverName), versionString(minimumRequiredPostgresVersion, *ss.settings.DriverName))
 		}
-	case model.DatabaseDriverMysql:
-		// Usually a version string is of the form 5.6.49-log, 10.4.5-MariaDB etc.
-		if strings.Contains(strings.ToLower(ver), "maria") {
-			mlog.Warn("MariaDB detected. You are using an unsupported database. Please consider using MySQL or Postgres.")
-			return true, nil
-		}
-		parts := strings.Split(ver, "-")
-		if len(parts) < 1 {
-			return false, fmt.Errorf("cannot parse MySQL DB version: %s", ver)
-		}
-		// Get the major and minor versions.
-		versions := strings.Split(parts[0], ".")
-		if len(versions) < 3 {
-			return false, fmt.Errorf("cannot parse MySQL DB version: %s", ver)
-		}
-		majorVer, err2 := strconv.Atoi(versions[0])
-		if err2 != nil {
-			return false, fmt.Errorf("cannot parse MySQL DB version: %w", err2)
-		}
-		minorVer, err2 := strconv.Atoi(versions[1])
-		if err2 != nil {
-			return false, fmt.Errorf("cannot parse MySQL DB version: %w", err2)
-		}
-		patchVer, err2 := strconv.Atoi(versions[2])
-		if err2 != nil {
-			return false, fmt.Errorf("cannot parse MySQL DB version: %w", err2)
-		}
-		intVer := majorVer*1000 + minorVer*100 + patchVer
-		if intVer < minimumRequiredMySQLVersion {
-			return false, fmt.Errorf("Minimum MySQL version requirements not met. Found: %s, Wanted: %s", versionString(intVer, *ss.settings.DriverName), versionString(minimumRequiredMySQLVersion, *ss.settings.DriverName))
-		}
 	}
 	return true, nil
 }
 
-func (ss *SqlStore) ensureDatabaseCollation() error {
-	if *ss.settings.DriverName != model.DatabaseDriverMysql {
-		return nil
-	}
-
-	var connCollation struct {
-		Variable_name string
-		Value         string
-	}
-	if err := ss.GetMaster().Get(&connCollation, "SHOW VARIABLES LIKE 'collation_connection'"); err != nil {
-		return errors.Wrap(err, "unable to select variables")
-	}
-
-	// we compare table collation with the connection collation value so that we can
-	// catch collation mismatches for tables we have a migration for.
-	for _, tableName := range tablesToCheckForCollation {
-		// we check if table exists because this code runs before the migrations applied
-		// which means if there is a fresh db, we may fail on selecting the table_collation
-		var exists int
-		if err := ss.GetMaster().Get(&exists, "SELECT count(*) FROM information_schema.tables WHERE table_schema = DATABASE() AND LOWER(table_name) = ?", tableName); err != nil {
-			return errors.Wrap(err, fmt.Sprintf("unable to check if table exists for collation check: %q", tableName))
-		} else if exists == 0 {
-			continue
-		}
-
-		var tableCollation string
-		if err := ss.GetMaster().Get(&tableCollation, "SELECT table_collation FROM information_schema.tables WHERE table_schema = DATABASE() AND LOWER(table_name) = ?", tableName); err != nil {
-			return errors.Wrap(err, fmt.Sprintf("unable to get table collation: %q", tableName))
-		}
-
-		if tableCollation != connCollation.Value {
-			mlog.Warn("Table collation mismatch", mlog.String("table_name", tableName), mlog.String("connection_collation", connCollation.Value), mlog.String("table_collation", tableCollation))
-		}
-	}
-
-	return nil
-}
-
-// versionString converts an integer representation of a DB version
+// versionString converts an integer representation of a Postgres DB version
 // to a pretty-printed string.
 // Postgres doesn't follow three-part version numbers from 10.0 onwards:
 // https://www.postgresql.org/docs/13/libpq-status.html#LIBPQ-PQSERVERVERSION.
-// For MySQL, we consider a major*1000 + minor*100 + patch format.
 func versionString(v int, driver string) string {
-	switch driver {
-	case model.DatabaseDriverPostgres:
-		minor := v % 10000
-		major := v / 10000
-		return strconv.Itoa(major) + "." + strconv.Itoa(minor)
-	case model.DatabaseDriverMysql:
-		minor := v % 1000
-		major := v / 1000
-		patch := minor % 100
-		minor = minor / 100
-		return strconv.Itoa(major) + "." + strconv.Itoa(minor) + "." + strconv.Itoa(patch)
-	}
-	return ""
+	minor := v % 10000
+	major := v / 10000
+	return strconv.Itoa(major) + "." + strconv.Itoa(minor)
 }
 
 func (ss *SqlStore) toReserveCase(str string) string {
-	if ss.DriverName() == model.DatabaseDriverPostgres {
-		return fmt.Sprintf("%q", str)
-	}
-
-	return fmt.Sprintf("`%s`", strings.Title(str))
+	return fmt.Sprintf("%q", str)
 }
 
 func (ss *SqlStore) GetLocalSchemaVersion() (int, error) {
@@ -1352,36 +1041,17 @@ func (ss *SqlStore) determineMaxColumnSize(tableName, columnName string) (int, e
 	var columnSizeBytes int32
 	ss.getQueryPlaceholder()
 
-	if ss.DriverName() == model.DatabaseDriverPostgres {
-		if err := ss.GetReplica().Get(&columnSizeBytes, `
-			SELECT
-				COALESCE(character_maximum_length, 0)
-			FROM
-				information_schema.columns
-			WHERE
-				lower(table_name) = lower($1)
-			AND	lower(column_name) = lower($2)
-		`, tableName, columnName); err != nil {
-			mlog.Warn("Unable to determine the maximum supported column size for Postgres", mlog.Err(err))
-			return 0, err
-		}
-	} else if ss.DriverName() == model.DatabaseDriverMysql {
-		if err := ss.GetReplica().Get(&columnSizeBytes, `
-			SELECT
-				COALESCE(CHARACTER_MAXIMUM_LENGTH, 0)
-			FROM
-				INFORMATION_SCHEMA.COLUMNS
-			WHERE
-				table_schema = DATABASE()
-			AND	lower(table_name) = lower(?)
-			AND	lower(column_name) = lower(?)
-			LIMIT 0, 1
-		`, tableName, columnName); err != nil {
-			mlog.Warn("Unable to determine the maximum supported column size for MySQL", mlog.Err(err))
-			return 0, err
-		}
-	} else {
-		mlog.Warn("No implementation found to determine the maximum supported column size")
+	if err := ss.GetReplica().Get(&columnSizeBytes, `
+		SELECT
+			COALESCE(character_maximum_length, 0)
+		FROM
+			information_schema.columns
+		WHERE
+			lower(table_name) = lower($1)
+		AND	lower(column_name) = lower($2)
+	`, tableName, columnName); err != nil {
+		mlog.Warn("Unable to determine the maximum supported column size for Postgres", mlog.Err(err))
+		return 0, err
 	}
 
 	// Assume a worst-case representation of four bytes per rune.
diff --git a/server/channels/store/sqlstore/store_test.go b/server/channels/store/sqlstore/store_test.go
index a0dc7da0476..aab9dd75ae0 100644
--- a/server/channels/store/sqlstore/store_test.go
+++ b/server/channels/store/sqlstore/store_test.go
@@ -14,9 +14,7 @@ import (
 	"strings"
 	"sync"
 	"testing"
-	"time"
 
-	"github.com/go-sql-driver/mysql"
 	"github.com/lib/pq"
 	"github.com/pkg/errors"
 	"github.com/stretchr/testify/assert"
@@ -71,7 +69,7 @@ func getStoresFromPools(t *testing.T) []*storeType {
 func newStoreType(name, driver string) *storeType {
 	return &storeType{
 		Name:        name,
-		SqlSettings: storetest.MakeSqlSettings(driver, false),
+		SqlSettings: storetest.MakeSqlSettings(driver),
 	}
 }
 
@@ -162,12 +160,9 @@ func initStores(logger mlog.LoggerIFace, parallelism int) {
 	// for subtests or paused tests that might also run in parallel and initialize a new store.
 	parallelTestsPoolSize := parallelism * 2
 
-	// In CI, we already run the entire test suite for both mysql and postgres in parallel.
-	// So we just run the tests for the current database set.
+	// In CI, we run the test suite for the current database set.
 	if os.Getenv("IS_CI") == "true" {
 		switch os.Getenv("MM_SQLSETTINGS_DRIVERNAME") {
-		case "mysql":
-			storeTypes = append(storeTypes, newStoreType("MySQL", model.DatabaseDriverMysql))
 		case "postgres":
 			storeTypes = append(storeTypes, newStoreType("PostgreSQL", model.DatabaseDriverPostgres))
 			if enableFullyParallelTests {
@@ -180,7 +175,6 @@ func initStores(logger mlog.LoggerIFace, parallelism int) {
 		}
 	} else {
 		storeTypes = append(storeTypes,
-			newStoreType("MySQL", model.DatabaseDriverMysql),
 			newStoreType("PostgreSQL", model.DatabaseDriverPostgres),
 		)
 
@@ -189,11 +183,7 @@ func initStores(logger mlog.LoggerIFace, parallelism int) {
 			if err != nil {
 				panic(err)
 			}
-			msStorePool, err := NewTestPool(logger, model.DatabaseDriverMysql, parallelTestsPoolSize)
-			if err != nil {
-				panic(err)
-			}
-			storePools = append(storePools, pgStorePool, msStorePool)
+			storePools = append(storePools, pgStorePool)
 		}
 	}
 
@@ -512,7 +502,6 @@ func TestGetDbVersion(t *testing.T) {
 
 	testDrivers := []string{
 		model.DatabaseDriverPostgres,
-		model.DatabaseDriverMysql,
 	}
 
 	for _, d := range testDrivers {
@@ -569,48 +558,15 @@ func TestEnsureMinimumDBVersion(t *testing.T) {
 			ok:     false,
 			err:    "cannot parse DB version",
 		},
-		{
-			driver: model.DatabaseDriverMysql,
-			ver:    "10.4.5-MariaDB",
-			ok:     true,
-			err:    "",
-		},
-		{
-			driver: model.DatabaseDriverMysql,
-			ver:    "5.6.99-test",
-			ok:     false,
-			err:    "Minimum MySQL version requirements not met",
-		},
-		{
-			driver: model.DatabaseDriverMysql,
-			ver:    "34-55.12",
-			ok:     false,
-			err:    "cannot parse MySQL DB version",
-		},
-		{
-			driver: model.DatabaseDriverMysql,
-			ver:    "8.0.0-log",
-			ok:     true,
-			err:    "",
-		},
 	}
 
 	pg := model.DatabaseDriverPostgres
 	pgSettings := &model.SqlSettings{
 		DriverName: &pg,
 	}
-	my := model.DatabaseDriverMysql
-	mySettings := &model.SqlSettings{
-		DriverName: &my,
-	}
 	for _, tc := range tests {
 		store := &SqlStore{}
-		switch tc.driver {
-		case pg:
-			store.settings = pgSettings
-		case my:
-			store.settings = mySettings
-		}
+		store.settings = pgSettings
 		ok, err := store.ensureMinimumDBVersion(tc.ver)
 		assert.Equal(t, tc.ok, ok, "driver: %s, version: %s", tc.driver, tc.ver)
 		if tc.err != "" {
@@ -637,15 +593,6 @@ func TestIsBinaryParamEnabled(t *testing.T) {
 			},
 			expected: true,
 		},
-		{
-			store: SqlStore{
-				settings: &model.SqlSettings{
-					DriverName: model.NewPointer(model.DatabaseDriverMysql),
-					DataSource: model.NewPointer("postgres://mmuser:mostest@localhost/loadtest?sslmode=disable\u0026binary_parameters=yes"),
-				},
-			},
-			expected: false,
-		},
 		{
 			store: SqlStore{
 				settings: &model.SqlSettings{
@@ -776,11 +723,9 @@ func TestIsDuplicate(t *testing.T) {
 	}
 
 	testErrors := map[error]bool{
-		&pq.Error{Code: "42P06"}:                          false,
-		&pq.Error{Code: PGDupTableErrorCode}:              true,
-		&mysql.MySQLError{Number: uint16(1000)}:           false,
-		&mysql.MySQLError{Number: MySQLDupTableErrorCode}: true,
-		errors.New("Random error"):                        false,
+		&pq.Error{Code: "42P06"}:             false,
+		&pq.Error{Code: PGDupTableErrorCode}: true,
+		errors.New("Random error"):           false,
 	}
 
 	for e, b := range testErrors {
@@ -818,16 +763,6 @@ func TestVersionString(t *testing.T) {
 			driver: model.DatabaseDriverPostgres,
 			output: "12.5",
 		},
-		{
-			input:  5708,
-			driver: model.DatabaseDriverMysql,
-			output: "5.7.8",
-		},
-		{
-			input:  8000,
-			driver: model.DatabaseDriverMysql,
-			output: "8.0.0",
-		},
 	}
 
 	for _, v := range versions {
@@ -843,7 +778,6 @@ func TestReplicaLagQuery(t *testing.T) {
 
 	testDrivers := []string{
 		model.DatabaseDriverPostgres,
-		model.DatabaseDriverMysql,
 	}
 
 	for _, driver := range testDrivers {
@@ -859,9 +793,6 @@ func TestReplicaLagQuery(t *testing.T) {
 			case model.DatabaseDriverPostgres:
 				query = `SELECT relname, count(relname) FROM pg_class WHERE relname='posts' GROUP BY relname`
 				tableName = "posts"
-			case model.DatabaseDriverMysql:
-				query = `SELECT table_name, count(table_name) FROM information_schema.tables WHERE table_name='Posts' and table_schema=Database() GROUP BY table_name`
-				tableName = "Posts"
 			}
 
 			settings.ReplicaLagSettings = []*model.ReplicaLagSettings{{
@@ -910,7 +841,6 @@ func TestInvalidReplicaLagDataSource(t *testing.T) {
 
 	testDrivers := []string{
 		model.DatabaseDriverPostgres,
-		model.DatabaseDriverMysql,
 	}
 
 	for _, driver := range testDrivers {
@@ -966,9 +896,7 @@ func makeSqlSettings(driver string) (*model.SqlSettings, error) {
 
 	switch driver {
 	case model.DatabaseDriverPostgres:
-		return storetest.MakeSqlSettings(driver, false), nil
-	case model.DatabaseDriverMysql:
-		return storetest.MakeSqlSettings(driver, false), nil
+		return storetest.MakeSqlSettings(driver), nil
 	}
 
 	return nil, errDriverUnsupported
@@ -977,48 +905,17 @@ func makeSqlSettings(driver string) (*model.SqlSettings, error) {
 func TestExecNoTimeout(t *testing.T) {
 	StoreTest(t, func(t *testing.T, rctx request.CTX, ss store.Store) {
 		sqlStore := ss.(*SqlStore)
-		var query string
 		timeout := sqlStore.masterX.queryTimeout
 		sqlStore.masterX.queryTimeout = 1
 		defer func() {
 			sqlStore.masterX.queryTimeout = timeout
 		}()
-		if sqlStore.DriverName() == model.DatabaseDriverMysql {
-			query = `SELECT SLEEP(2);`
-		} else if sqlStore.DriverName() == model.DatabaseDriverPostgres {
-			query = `SELECT pg_sleep(2);`
-		}
+		query := `SELECT pg_sleep(2);`
 		_, err := sqlStore.GetMaster().ExecNoTimeout(query)
 		require.NoError(t, err)
 	})
 }
 
-func TestMySQLReadTimeout(t *testing.T) {
-	settings, err := makeSqlSettings(model.DatabaseDriverMysql)
-	if err != nil {
-		t.Skip(err)
-	}
-	dataSource := *settings.DataSource
-	config, err := mysql.ParseDSN(dataSource)
-	require.NoError(t, err)
-
-	config.ReadTimeout = 1 * time.Second
-	dataSource = config.FormatDSN()
-	settings.DataSource = &dataSource
-
-	store := &SqlStore{
-		settings:    settings,
-		logger:      mlog.CreateConsoleTestLogger(t),
-		quitMonitor: make(chan struct{}),
-		wgMonitor:   &sync.WaitGroup{},
-	}
-	require.NoError(t, store.initConnection())
-	defer store.Close()
-
-	_, err = store.GetMaster().ExecNoTimeout(`SELECT SLEEP(3)`)
-	require.NoError(t, err)
-}
-
 func TestGetDBSchemaVersion(t *testing.T) {
 	if enableFullyParallelTests {
 		t.Parallel()
@@ -1026,7 +923,6 @@ func TestGetDBSchemaVersion(t *testing.T) {
 
 	testDrivers := []string{
 		model.DatabaseDriverPostgres,
-		model.DatabaseDriverMysql,
 	}
 
 	logger := mlog.CreateConsoleTestLogger(t)
@@ -1070,7 +966,6 @@ func TestGetLocalSchemaVersion(t *testing.T) {
 
 	testDrivers := []string{
 		model.DatabaseDriverPostgres,
-		model.DatabaseDriverMysql,
 	}
 
 	logger := mlog.CreateConsoleTestLogger(t)
@@ -1102,7 +997,6 @@ func TestGetAppliedMigrations(t *testing.T) {
 
 	testDrivers := []string{
 		model.DatabaseDriverPostgres,
-		model.DatabaseDriverMysql,
 	}
 
 	logger := mlog.CreateConsoleTestLogger(t)
@@ -1154,7 +1048,6 @@ func TestSkipMigrationsOption(t *testing.T) {
 
 	testDrivers := []string{
 		model.DatabaseDriverPostgres,
-		model.DatabaseDriverMysql,
 	}
 
 	logger := mlog.CreateConsoleTestLogger(t)
@@ -1178,12 +1071,7 @@ func TestSkipMigrationsOption(t *testing.T) {
 			assert.True(t, !errors.Is(err, sql.ErrNoRows))
 
 			// And we know what each db will return:
-			if driver == model.DatabaseDriverPostgres {
-				assert.Contains(t, err.Error(), "pq: relation \"db_migrations\" does not exist")
-			} else {
-				// Mysql includes the random db name, so test the end:
-				assert.Contains(t, err.Error(), ".db_migrations' doesn't exist")
-			}
+			assert.Contains(t, err.Error(), "pq: relation \"db_migrations\" does not exist")
 		})
 	}
 }
diff --git a/server/channels/store/sqlstore/system_store.go b/server/channels/store/sqlstore/system_store.go
index 0d9e9448b9d..fa691185a81 100644
--- a/server/channels/store/sqlstore/system_store.go
+++ b/server/channels/store/sqlstore/system_store.go
@@ -41,11 +41,7 @@ func (s SqlSystemStore) SaveOrUpdate(system *model.System) error {
 		Columns("Name", "Value").
 		Values(system.Name, system.Value)
 
-	if s.DriverName() == model.DatabaseDriverMysql {
-		query = query.SuffixExpr(sq.Expr("ON DUPLICATE KEY UPDATE Value = ?", system.Value))
-	} else {
-		query = query.SuffixExpr(sq.Expr("ON CONFLICT (name) DO UPDATE SET Value = ?", system.Value))
-	}
+	query = query.SuffixExpr(sq.Expr("ON CONFLICT (name) DO UPDATE SET Value = ?", system.Value))
 
 	queryString, args, err := query.ToSql()
 	if err != nil {
diff --git a/server/channels/store/sqlstore/team_store.go b/server/channels/store/sqlstore/team_store.go
index f17b1f3133f..5c48e651806 100644
--- a/server/channels/store/sqlstore/team_store.go
+++ b/server/channels/store/sqlstore/team_store.go
@@ -468,9 +468,6 @@ func (s SqlTeamStore) teamSearchQuery(opts *model.TeamSearch, countQuery bool) s
 		term = wildcardSearchTerm(term)
 
 		operatorKeyword := "ILIKE"
-		if s.DriverName() == model.DatabaseDriverMysql {
-			operatorKeyword = "LIKE"
-		}
 
 		query = query.Where(fmt.Sprintf("(Name %[1]s ? OR DisplayName %[1]s ?)", operatorKeyword), term, term)
 	}
@@ -1625,6 +1622,7 @@ func (s SqlTeamStore) UpdateMembersRole(teamID string, adminIDs []string) (_ []*
 	}
 	defer finalizeTransactionX(transaction, &err)
 
+	// TODO: https://mattermost.atlassian.net/browse/MM-63368
 	// On MySQL it's not possible to update a table and select from it in the same query.
 	// A SELECT and a UPDATE query are needed.
 	// Once we only support PostgreSQL, this can be done in a single query using RETURNING.
diff --git a/server/channels/store/sqlstore/testpool.go b/server/channels/store/sqlstore/testpool.go
index 0b2a9ab1cf3..320d9b5037f 100644
--- a/server/channels/store/sqlstore/testpool.go
+++ b/server/channels/store/sqlstore/testpool.go
@@ -35,7 +35,7 @@ func NewTestPool(logger mlog.LoggerIFace, driverName string, poolSize int) (*Tes
 	var eg errgroup.Group
 	for range poolSize {
 		eg.Go(func() error {
-			settings := storetest.MakeSqlSettings(driverName, false)
+			settings := storetest.MakeSqlSettings(driverName)
 			sqlStore, err := New(*settings, logger, nil)
 			if err != nil {
 				return err
diff --git a/server/channels/store/sqlstore/user_access_token_store.go b/server/channels/store/sqlstore/user_access_token_store.go
index 1a3ca78b8b9..c4abb67e6e7 100644
--- a/server/channels/store/sqlstore/user_access_token_store.go
+++ b/server/channels/store/sqlstore/user_access_token_store.go
@@ -77,12 +77,7 @@ func (s SqlUserAccessTokenStore) Delete(tokenId string) (err error) {
 }
 
 func (s SqlUserAccessTokenStore) deleteSessionsAndTokensById(transaction *sqlxTxWrapper, tokenId string) error {
-	query := ""
-	if s.DriverName() == model.DatabaseDriverPostgres {
-		query = "DELETE FROM Sessions s USING UserAccessTokens o WHERE o.Token = s.Token AND o.Id = ?"
-	} else if s.DriverName() == model.DatabaseDriverMysql {
-		query = "DELETE s.* FROM Sessions s INNER JOIN UserAccessTokens o ON o.Token = s.Token WHERE o.Id = ?"
-	}
+	query := "DELETE FROM Sessions s USING UserAccessTokens o WHERE o.Token = s.Token AND o.Id = ?"
 
 	if _, err := transaction.Exec(query, tokenId); err != nil {
 		return errors.Wrapf(err, "failed to delete Sessions with UserAccessToken id=%s", tokenId)
@@ -117,12 +112,7 @@ func (s SqlUserAccessTokenStore) DeleteAllForUser(userId string) (err error) {
 }
 
 func (s SqlUserAccessTokenStore) deleteSessionsandTokensByUser(transaction *sqlxTxWrapper, userId string) error {
-	query := ""
-	if s.DriverName() == model.DatabaseDriverPostgres {
-		query = "DELETE FROM Sessions s USING UserAccessTokens o WHERE o.Token = s.Token AND o.UserId = ?"
-	} else if s.DriverName() == model.DatabaseDriverMysql {
-		query = "DELETE s.* FROM Sessions s INNER JOIN UserAccessTokens o ON o.Token = s.Token WHERE o.UserId = ?"
-	}
+	query := "DELETE FROM Sessions s USING UserAccessTokens o WHERE o.Token = s.Token AND o.UserId = ?"
 
 	if _, err := transaction.Exec(query, userId); err != nil {
 		return errors.Wrapf(err, "failed to delete Sessions with UserAccessToken userId=%s", userId)
@@ -242,12 +232,7 @@ func (s SqlUserAccessTokenStore) UpdateTokenDisable(tokenId string) (err error)
 }
 
 func (s SqlUserAccessTokenStore) deleteSessionsAndDisableToken(transaction *sqlxTxWrapper, tokenId string) error {
-	query := ""
-	if s.DriverName() == model.DatabaseDriverPostgres {
-		query = "DELETE FROM Sessions s USING UserAccessTokens o WHERE o.Token = s.Token AND o.Id = ?"
-	} else if s.DriverName() == model.DatabaseDriverMysql {
-		query = "DELETE s.* FROM Sessions s INNER JOIN UserAccessTokens o ON o.Token = s.Token WHERE o.Id = ?"
-	}
+	query := "DELETE FROM Sessions s USING UserAccessTokens o WHERE o.Token = s.Token AND o.Id = ?"
 
 	if _, err := transaction.Exec(query, tokenId); err != nil {
 		return errors.Wrapf(err, "failed to delete Sessions with UserAccessToken id=%s", tokenId)
diff --git a/server/channels/store/sqlstore/utils.go b/server/channels/store/sqlstore/utils.go
index 26395e56614..72a6ce5452d 100644
--- a/server/channels/store/sqlstore/utils.go
+++ b/server/channels/store/sqlstore/utils.go
@@ -102,32 +102,6 @@ func isQuotedWord(s string) bool {
 	return s[0] == '"' && s[len(s)-1] == '"'
 }
 
-// constructMySQLJSONArgs returns the arg list to pass to a query along with
-// the string of placeholders which is needed to be to the JSON_SET function.
-// Use this function in this way:
-// UPDATE Table
-// SET Col = JSON_SET(Col, `+argString+`)
-// WHERE Id=?`, args...)
-// after appending the Id param to the args slice.
-func constructMySQLJSONArgs(props map[string]string) ([]any, string) {
-	if len(props) == 0 {
-		return nil, ""
-	}
-
-	// Unpack the keys and values to pass to MySQL.
-	args := make([]any, 0, len(props))
-	for k, v := range props {
-		args = append(args, "$."+k, v)
-	}
-
-	// We calculate the number of ? to set in the query string.
-	argString := strings.Repeat("?, ", len(props)*2)
-	// Strip off the trailing comma.
-	argString = strings.TrimSuffix(argString, ", ")
-
-	return args, argString
-}
-
 func constructArrayArgs(ids []string) (string, []any) {
 	var placeholder strings.Builder
 	values := make([]any, 0, len(ids))
@@ -185,16 +159,8 @@ func trimInput(input string) string {
 	return input
 }
 
-// Adds backtiks to the column name for MySQL, this is required if
-// the column name is a reserved keyword.
-//
-//	`ColumnName` -  MySQL
-//	ColumnName   -  Postgres
+// Returns the column name for PostgreSQL.
 func quoteColumnName(driver string, columnName string) string {
-	if driver == model.DatabaseDriverMysql {
-		return fmt.Sprintf("`%s`", columnName)
-	}
-
 	return columnName
 }
 
diff --git a/server/channels/store/sqlstore/utils_test.go b/server/channels/store/sqlstore/utils_test.go
index 74b449c9526..33e6d7edead 100644
--- a/server/channels/store/sqlstore/utils_test.go
+++ b/server/channels/store/sqlstore/utils_test.go
@@ -9,7 +9,6 @@ import (
 
 	"github.com/mattermost/mattermost/server/public/shared/request"
 	"github.com/mattermost/mattermost/server/v8/channels/store"
-	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
 
@@ -122,39 +121,6 @@ func TestRemoveNonAlphaNumericUnquotedTerms(t *testing.T) {
 	}
 }
 
-func TestMySQLJSONArgs(t *testing.T) {
-	if enableFullyParallelTests {
-		t.Parallel()
-	}
-
-	tests := []struct {
-		props     map[string]string
-		args      []any
-		argString string
-	}{
-		{
-			props: map[string]string{
-				"desktop": "linux",
-				"mobile":  "android",
-				"notify":  "always",
-			},
-			args:      []any{"$.desktop", "linux", "$.mobile", "android", "$.notify", "always"},
-			argString: "?, ?, ?, ?, ?, ?",
-		},
-		{
-			props:     map[string]string{},
-			args:      nil,
-			argString: "",
-		},
-	}
-
-	for _, test := range tests {
-		args, argString := constructMySQLJSONArgs(test.props)
-		assert.ElementsMatch(t, test.args, args)
-		assert.Equal(t, test.argString, argString)
-	}
-}
-
 func TestScanRowsIntoMap(t *testing.T) {
 	StoreTest(t, func(t *testing.T, rctx request.CTX, ss store.Store) {
 		sqlStore := ss.(*SqlStore)
diff --git a/server/channels/store/storetest/attributes_store.go b/server/channels/store/storetest/attributes_store.go
index 1459a5259dc..877c4014a5a 100644
--- a/server/channels/store/storetest/attributes_store.go
+++ b/server/channels/store/storetest/attributes_store.go
@@ -254,12 +254,7 @@ func testAttributesStoreSearchUsers(t *testing.T, rctx request.CTX, ss store.Sto
 	})
 
 	t.Run("Search users with a valid value query", func(t *testing.T) {
-		var query string
-		if s.DriverName() == model.DatabaseDriverMysql {
-			query = "Attributes ->> '$." + testPropertyB + "' = ?"
-		} else {
-			query = "Attributes ->> '" + testPropertyB + "' = $1::text"
-		}
+		query := "Attributes ->> '" + testPropertyB + "' = $1::text"
 		subjects, count, err := ss.Attributes().SearchUsers(rctx, model.SubjectSearchOptions{
 			Query: query,
 			Args:  []any{testPropertyValueB1},
@@ -271,12 +266,7 @@ func testAttributesStoreSearchUsers(t *testing.T, rctx request.CTX, ss store.Sto
 	})
 
 	t.Run("Search users with a valid value query and limit", func(t *testing.T) {
-		var query string
-		if s.DriverName() == model.DatabaseDriverMysql {
-			query = "Attributes ->> '$." + testPropertyA + "' = ?"
-		} else {
-			query = "Attributes ->> '" + testPropertyA + "' = $1::text"
-		}
+		query := "Attributes ->> '" + testPropertyA + "' = $1::text"
 		subjects, count, err := ss.Attributes().SearchUsers(rctx, model.SubjectSearchOptions{
 			Query: query,
 			Args:  []any{testPropertyValueA1},
@@ -293,12 +283,7 @@ func testAttributesStoreSearchUsers(t *testing.T, rctx request.CTX, ss store.Sto
 	})
 
 	t.Run("Search users with pagination", func(t *testing.T) {
-		var query string
-		if s.DriverName() == model.DatabaseDriverMysql {
-			query = "Attributes ->> '$." + testPropertyA + "' = ?"
-		} else {
-			query = "Attributes ->> '" + testPropertyA + "' = $1::text"
-		}
+		query := "Attributes ->> '" + testPropertyA + "' = $1::text"
 
 		cursor := strings.Repeat("0", 26)
 		for range 5 {
@@ -370,13 +355,7 @@ func testAttributesStoreGetChannelMembersToRemove(t *testing.T, rctx request.CTX
 	})
 
 	t.Run("Get channel members to remove single attribute", func(t *testing.T) {
-		var query string
-		switch s.DriverName() {
-		case model.DatabaseDriverMysql:
-			query = "Attributes ->> '$." + testPropertyA + "' = ?" // Attributes ->> '$.Clearance' >= ?
-		case model.DatabaseDriverPostgres:
-			query = "Attributes ->> '" + testPropertyA + "' = $1::text" // Attributes ->> '$.Clearance' >= $1::text
-		}
+		query := "Attributes ->> '" + testPropertyA + "' = $1::text" // Attributes ->> '$.Clearance' >= $1::text
 		members, err := ss.Attributes().GetChannelMembersToRemove(rctx, ch.Id, model.SubjectSearchOptions{
 			Query: query,
 			Args:  []any{testPropertyValueA1},
@@ -386,13 +365,7 @@ func testAttributesStoreGetChannelMembersToRemove(t *testing.T, rctx request.CTX
 	})
 
 	t.Run("Get channel members to remove multiple attribute", func(t *testing.T) {
-		var query string
-		switch s.DriverName() {
-		case model.DatabaseDriverMysql:
-			query = "Attributes ->> '$." + testPropertyA + "' = ? AND Attributes ->> '$." + testPropertyB + "' = ?"
-		case model.DatabaseDriverPostgres:
-			query = "Attributes ->> '" + testPropertyA + "' = $1::text AND Attributes ->> '" + testPropertyB + "' = $2::text"
-		}
+		query := "Attributes ->> '" + testPropertyA + "' = $1::text AND Attributes ->> '" + testPropertyB + "' = $2::text"
 		members, err := ss.Attributes().GetChannelMembersToRemove(rctx, ch.Id, model.SubjectSearchOptions{
 			Query: query,
 			Args:  []any{testPropertyValueA1, testPropertyValueB1},
@@ -410,13 +383,7 @@ func testAttributesStoreGetChannelMembersToRemove(t *testing.T, rctx request.CTX
 	})
 
 	t.Run("Get channel members for select type attribute", func(t *testing.T) {
-		var query string
-		switch s.DriverName() {
-		case model.DatabaseDriverMysql:
-			t.Skip("select type attributes are not supported in MySQL")
-		case model.DatabaseDriverPostgres:
-			query = "Attributes ->> '" + testPropertyC + "' = $1::text"
-		}
+		query := "Attributes ->> '" + testPropertyC + "' = $1::text"
 		members, err := ss.Attributes().GetChannelMembersToRemove(rctx, ch.Id, model.SubjectSearchOptions{
 			Query: query,
 			Args:  []any{testPropertyValueC1},
diff --git a/server/channels/store/storetest/channel_store_categories.go b/server/channels/store/storetest/channel_store_categories.go
index 8d1f72dd2d4..3d651b558e2 100644
--- a/server/channels/store/storetest/channel_store_categories.go
+++ b/server/channels/store/storetest/channel_store_categories.go
@@ -2212,10 +2212,6 @@ func testSidebarCategoryDeadlock(t *testing.T, rctx request.CTX, ss store.Store)
 }
 
 func testSidebarCategoryConcurrentAccess(t *testing.T, rctx request.CTX, ss store.Store, s SqlStore) {
-	if s.DriverName() == model.DatabaseDriverMysql {
-		t.Skip("This is known to fail on MySQL")
-	}
-
 	for i := range 2 {
 		t.Run(fmt.Sprint(i), func(t *testing.T) {
 			t.Parallel()
diff --git a/server/channels/store/storetest/settings.go b/server/channels/store/storetest/settings.go
index fc5cc80c51f..b2dcc844218 100644
--- a/server/channels/store/storetest/settings.go
+++ b/server/channels/store/storetest/settings.go
@@ -11,8 +11,6 @@ import (
 	"path"
 	"strings"
 
-	"github.com/go-sql-driver/mysql"
-	_ "github.com/go-sql-driver/mysql"
 	_ "github.com/lib/pq"
 	"github.com/pkg/errors"
 
@@ -21,26 +19,9 @@ import (
 )
 
 const (
-	defaultMysqlDSN        = "mmuser:mostest@tcp(localhost:3306)/mattermost_test?charset=utf8mb4&readTimeout=30s&writeTimeout=30s&multiStatements=true&maxAllowedPacket=4194304"
-	defaultPostgresqlDSN   = "postgres://mmuser:mostest@localhost:5432/mattermost_test?sslmode=disable&connect_timeout=10"
-	defaultMysqlRootPWD    = "mostest"
-	defaultMysqlReplicaDSN = "root:mostest@tcp(localhost:3307)/mattermost_test?charset=utf8mb4\u0026readTimeout=30s"
+	defaultPostgresqlDSN = "postgres://mmuser:mostest@localhost:5432/mattermost_test?sslmode=disable&connect_timeout=10"
 )
 
-func getEnv(name, defaultValue string) string {
-	if value := os.Getenv(name); value != "" {
-		return value
-	}
-	return defaultValue
-}
-
-func getDefaultMysqlDSN() string {
-	if os.Getenv("IS_CI") == "true" {
-		return strings.ReplaceAll(defaultMysqlDSN, "localhost", "mysql")
-	}
-	return defaultMysqlDSN
-}
-
 func getDefaultPostgresqlDSN() string {
 	if os.Getenv("IS_CI") == "true" {
 		return strings.ReplaceAll(defaultPostgresqlDSN, "localhost", "postgres")
@@ -48,32 +29,6 @@ func getDefaultPostgresqlDSN() string {
 	return defaultPostgresqlDSN
 }
 
-// MySQLSettings returns the database settings to connect to the MySQL unittesting database.
-// The database name is generated randomly and must be created before use.
-func MySQLSettings(withReplica bool) *model.SqlSettings {
-	dsn := os.Getenv("TEST_DATABASE_MYSQL_DSN")
-	if dsn == "" {
-		dsn = getDefaultMysqlDSN()
-	} else {
-		mlog.Info("Using TEST_DATABASE_MYSQL_DSN override", mlog.String("dsn", dsn))
-	}
-
-	cfg, err := mysql.ParseDSN(dsn)
-	if err != nil {
-		panic("failed to parse dsn " + dsn + ": " + err.Error())
-	}
-
-	cfg.DBName = "db" + model.NewId()
-
-	mySQLSettings := databaseSettings("mysql", cfg.FormatDSN())
-
-	if withReplica {
-		mySQLSettings.DataSourceReplicas = []string{getEnv("TEST_DATABASE_MYSQL_REPLICA_DSN", defaultMysqlReplicaDSN)}
-	}
-
-	return mySQLSettings
-}
-
 // PostgresSQLSettings returns the database settings to connect to the PostgreSQL unittesting database.
 // The database name is generated randomly and must be created before use.
 func PostgreSQLSettings() *model.SqlSettings {
@@ -95,20 +50,6 @@ func PostgreSQLSettings() *model.SqlSettings {
 	return databaseSettings("postgres", dsnURL.String())
 }
 
-func mySQLRootDSN(dsn string) string {
-	rootPwd := getEnv("TEST_DATABASE_MYSQL_ROOT_PASSWD", defaultMysqlRootPWD)
-	cfg, err := mysql.ParseDSN(dsn)
-	if err != nil {
-		panic("failed to parse dsn " + dsn + ": " + err.Error())
-	}
-
-	cfg.User = "root"
-	cfg.Passwd = rootPwd
-	cfg.DBName = "mysql"
-
-	return cfg.FormatDSN()
-}
-
 func postgreSQLRootDSN(dsn string) string {
 	dsnURL, err := url.Parse(dsn)
 	if err != nil {
@@ -127,15 +68,6 @@ func postgreSQLRootDSN(dsn string) string {
 	return dsnURL.String()
 }
 
-func mySQLDSNDatabase(dsn string) string {
-	cfg, err := mysql.ParseDSN(dsn)
-	if err != nil {
-		panic("failed to parse dsn " + dsn + ": " + err.Error())
-	}
-
-	return cfg.DBName
-}
-
 func postgreSQLDSNDatabase(dsn string) string {
 	dsnURL, err := url.Parse(dsn)
 	if err != nil {
@@ -176,8 +108,6 @@ func execAsRoot(settings *model.SqlSettings, sqlCommand string) error {
 	driver := *settings.DriverName
 
 	switch driver {
-	case model.DatabaseDriverMysql:
-		dsn = mySQLRootDSN(*settings.DataSource)
 	case model.DatabaseDriverPostgres:
 		dsn = postgreSQLRootDSN(*settings.DataSource)
 	default:
@@ -196,29 +126,12 @@ func execAsRoot(settings *model.SqlSettings, sqlCommand string) error {
 	return nil
 }
 
-func replaceMySQLDatabaseName(dsn, newDBName string) string {
-	cfg, err := mysql.ParseDSN(dsn)
-	if err != nil {
-		panic("failed to parse dsn " + dsn + ": " + err.Error())
-	}
-	cfg.DBName = newDBName
-	return cfg.FormatDSN()
-}
-
 // MakeSqlSettings creates a randomly named database and returns the corresponding sql settings
-func MakeSqlSettings(driver string, withReplica bool) *model.SqlSettings {
+func MakeSqlSettings(driver string) *model.SqlSettings {
 	var settings *model.SqlSettings
 	var dbName string
 
 	switch driver {
-	case model.DatabaseDriverMysql:
-		settings = MySQLSettings(withReplica)
-		dbName = mySQLDSNDatabase(*settings.DataSource)
-		newDSRs := []string{}
-		for _, dataSource := range settings.DataSourceReplicas {
-			newDSRs = append(newDSRs, replaceMySQLDatabaseName(dataSource, dbName))
-		}
-		settings.DataSourceReplicas = newDSRs
 	case model.DatabaseDriverPostgres:
 		settings = PostgreSQLSettings()
 		dbName = postgreSQLDSNDatabase(*settings.DataSource)
@@ -231,10 +144,6 @@ func MakeSqlSettings(driver string, withReplica bool) *model.SqlSettings {
 	}
 
 	switch driver {
-	case model.DatabaseDriverMysql:
-		if err := execAsRoot(settings, "GRANT ALL PRIVILEGES ON "+dbName+".* TO 'mmuser'"); err != nil {
-			panic("failed to grant mmuser permission to " + dbName + ":" + err.Error())
-		}
 	case model.DatabaseDriverPostgres:
 		if err := execAsRoot(settings, "GRANT ALL PRIVILEGES ON DATABASE \""+dbName+"\" TO mmuser"); err != nil {
 			panic("failed to grant mmuser permission to " + dbName + ":" + err.Error())
@@ -253,8 +162,6 @@ func CleanupSqlSettings(settings *model.SqlSettings) {
 	var dbName string
 
 	switch driver {
-	case model.DatabaseDriverMysql:
-		dbName = mySQLDSNDatabase(*settings.DataSource)
 	case model.DatabaseDriverPostgres:
 		dbName = postgreSQLDSNDatabase(*settings.DataSource)
 	default:
diff --git a/server/channels/store/storetest/user_store.go b/server/channels/store/storetest/user_store.go
index d941f5339a7..a893ae869a8 100644
--- a/server/channels/store/storetest/user_store.go
+++ b/server/channels/store/storetest/user_store.go
@@ -6451,11 +6451,6 @@ func testGetUserReport(t *testing.T, rctx request.CTX, ss store.Store, s SqlStor
 	})
 
 	t.Run("should return accurate post stats for various date ranges", func(t *testing.T) {
-		// These stats are disabled for MySQL
-		if s.DriverName() == model.DatabaseDriverMysql {
-			return
-		}
-
 		userReport, err := ss.User().GetUserReport(&model.UserReportOptions{
 			ReportingBaseOptions: model.ReportingBaseOptions{
 				SortColumn: "Username",
diff --git a/server/channels/store/storetest/utils.go b/server/channels/store/storetest/utils.go
index 5f437415b78..e276c0ee09b 100644
--- a/server/channels/store/storetest/utils.go
+++ b/server/channels/store/storetest/utils.go
@@ -4,8 +4,6 @@
 package storetest
 
 import (
-	"fmt"
-
 	"github.com/mattermost/mattermost/server/public/model"
 )
 
@@ -22,15 +20,7 @@ func NewTestID() string {
 	return string(newID)
 }
 
-// Adds backtiks to the column name for MySQL, this is required if
-// the column name is a reserved keyword.
-//
-//	`ColumnName` -  MySQL
-//	ColumnName   -  Postgres
+// Returns the column name for PostgreSQL.
 func quoteColumnName(driver string, columnName string) string {
-	if driver == model.DatabaseDriverMysql {
-		return fmt.Sprintf("`%s`", columnName)
-	}
-
 	return columnName
 }
diff --git a/server/channels/testlib/helper.go b/server/channels/testlib/helper.go
index 1ef584c7e35..98a20dfebf9 100644
--- a/server/channels/testlib/helper.go
+++ b/server/channels/testlib/helper.go
@@ -42,14 +42,13 @@ type MainHelper struct {
 type HelperOptions struct {
 	EnableStore     bool
 	EnableResources bool
-	WithReadReplica bool
 	RunParallel     bool
 	Parallelism     int
 }
 
 func NewMainHelper() *MainHelper {
 	// Ignore any globally defined datasource if a test dsn defined
-	if os.Getenv("TEST_DATABASE_MYSQL_DSN") != "" || os.Getenv("TEST_DATABASE_POSTGRESQL_DSN") != "" {
+	if os.Getenv("TEST_DATABASE_POSTGRESQL_DSN") != "" {
 		os.Unsetenv("MM_SQLSETTINGS_DATASOURCE")
 	}
 
@@ -61,7 +60,7 @@ func NewMainHelper() *MainHelper {
 
 func NewMainHelperWithOptions(options *HelperOptions) *MainHelper {
 	// Ignore any globally defined datasource if a test dsn defined
-	if os.Getenv("TEST_DATABASE_MYSQL_DSN") != "" || os.Getenv("TEST_DATABASE_POSTGRESQL_DSN") != "" {
+	if os.Getenv("TEST_DATABASE_POSTGRESQL_DSN") != "" {
 		os.Unsetenv("MM_SQLSETTINGS_DATASOURCE")
 	}
 
@@ -92,7 +91,7 @@ func NewMainHelperWithOptions(options *HelperOptions) *MainHelper {
 		mainHelper.Options = *options
 
 		if options.EnableStore && !testing.Short() {
-			mainHelper.setupStore(options.WithReadReplica)
+			mainHelper.setupStore()
 		}
 
 		if options.EnableResources {
@@ -177,13 +176,13 @@ func (h *MainHelper) GetNewStores(tb testing.TB) (store.Store, *sqlstore.SqlStor
 	return store, sqlStore, settings, searchEngine
 }
 
-func (h *MainHelper) setupStore(withReadReplica bool) {
+func (h *MainHelper) setupStore() {
 	driverName := os.Getenv("MM_SQLSETTINGS_DRIVERNAME")
 	if driverName == "" {
 		driverName = model.DatabaseDriverPostgres
 	}
 
-	h.Settings = storetest.MakeSqlSettings(driverName, withReadReplica)
+	h.Settings = storetest.MakeSqlSettings(driverName)
 	h.replicas = h.Settings.DataSourceReplicas
 
 	config := &model.Config{}
@@ -265,17 +264,13 @@ func preloadMigrations(driverName string, sqlStore *sqlstore.SqlStore) {
 		if err != nil {
 			panic(fmt.Errorf("cannot read file: %v", err))
 		}
-	case model.DatabaseDriverMysql:
-		finalPath := filepath.Join(server.GetPackagePath(), "channels", "testlib", "testdata", "mysql_migration_warmup.sql")
-		buf, err = os.ReadFile(finalPath)
-		if err != nil {
-			panic(fmt.Errorf("cannot read file: %v", err))
-		}
+	default:
+		panic(fmt.Errorf("unsupported database driver: %s", driverName))
 	}
 	handle := sqlStore.GetMaster()
 	_, err = handle.Exec(string(buf))
 	if err != nil {
-		panic(errors.Wrap(err, "Error preloading migrations. Check if you have &multiStatements=true in your DSN if you are using MySQL. Or perhaps the schema changed? If yes, then update the warmup files accordingly"))
+		panic(errors.Wrap(err, "Error preloading migrations. Perhaps the schema changed? If yes, then update the warmup files accordingly"))
 	}
 }
 
@@ -347,39 +342,6 @@ func (h *MainHelper) GetSearchEngine() *searchengine.Broker {
 	return h.SearchEngine
 }
 
-func (h *MainHelper) SetReplicationLagForTesting(seconds int) error {
-	if dn := h.SQLStore.DriverName(); dn != model.DatabaseDriverMysql {
-		return fmt.Errorf("method not implemented for %q database driver, only %q is supported", dn, model.DatabaseDriverMysql)
-	}
-
-	err := h.execOnEachReplica("STOP SLAVE SQL_THREAD FOR CHANNEL ''")
-	if err != nil {
-		return err
-	}
-
-	err = h.execOnEachReplica(fmt.Sprintf("CHANGE MASTER TO MASTER_DELAY = %d", seconds))
-	if err != nil {
-		return err
-	}
-
-	err = h.execOnEachReplica("START SLAVE SQL_THREAD FOR CHANNEL ''")
-	if err != nil {
-		return err
-	}
-
-	return nil
-}
-
-func (h *MainHelper) execOnEachReplica(query string, args ...any) error {
-	for _, replica := range h.SQLStore.ReplicaXs {
-		_, err := replica.Load().Exec(query, args...)
-		if err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
 func (h *MainHelper) Parallel(t *testing.T) {
 	if h.Options.RunParallel {
 		t.Parallel()
diff --git a/server/cmd/mmctl/commands/config_e2e_test.go b/server/cmd/mmctl/commands/config_e2e_test.go
index 044528ef001..565b336e0af 100644
--- a/server/cmd/mmctl/commands/config_e2e_test.go
+++ b/server/cmd/mmctl/commands/config_e2e_test.go
@@ -134,20 +134,20 @@ func (s *MmctlE2ETestSuite) TestConfigSetCmd() {
 	s.RunForSystemAdminAndLocal("Set config value for a given key", func(c client.Client) {
 		printer.Clean()
 
-		args := []string{"SqlSettings.DriverName", "mysql"}
+		args := []string{"SqlSettings.DriverName", "postgres"}
 		err := configSetCmdF(c, &cobra.Command{}, args)
 		s.Require().Nil(err)
 		s.Require().Len(printer.GetErrorLines(), 0)
 		s.Require().Len(printer.GetLines(), 1)
 		config, ok := printer.GetLines()[0].(*model.Config)
 		s.Require().True(ok)
-		s.Require().Equal("mysql", *(config.SqlSettings.DriverName))
+		s.Require().Equal("postgres", *(config.SqlSettings.DriverName))
 	})
 
 	s.RunForSystemAdminAndLocal("Get error if the key doesn't exist", func(c client.Client) {
 		printer.Clean()
 
-		args := []string{"SqlSettings.WrongKey", "mysql"}
+		args := []string{"SqlSettings.WrongKey", "postgres"}
 		err := configSetCmdF(c, &cobra.Command{}, args)
 		s.Require().NotNil(err)
 		s.Require().Len(printer.GetLines(), 0)
@@ -157,7 +157,7 @@ func (s *MmctlE2ETestSuite) TestConfigSetCmd() {
 	s.Run("Set config value for a given key without permissions", func() {
 		printer.Clean()
 
-		args := []string{"SqlSettings.DriverName", "mysql"}
+		args := []string{"SqlSettings.DriverName", "postgres"}
 		err := configSetCmdF(s.th.Client, &cobra.Command{}, args)
 		s.Require().NotNil(err)
 		s.Require().Len(printer.GetLines(), 0)
diff --git a/server/config.mk b/server/config.mk
index 30d8f21fab4..6472ff8bd18 100644
--- a/server/config.mk
+++ b/server/config.mk
@@ -4,14 +4,14 @@
 
 # Enable services to be run in docker.
 #
-# Possible options: mysql, postgres, minio, inbucket, openldap, dejavu,
+# Possible options: postgres, minio, inbucket, openldap, dejavu,
 # keycloak, elasticsearch, opensearch, redis, prometheus,
 # grafana, loki and promtail.
 #
 # Must be space separated names.
 #
-# Example: mysql postgres elasticsearch
-ENABLED_DOCKER_SERVICES ?= mysql postgres inbucket redis
+# Example: postgres elasticsearch
+ENABLED_DOCKER_SERVICES ?= postgres inbucket redis
 
 # Disable entirely the use of docker
 MM_NO_DOCKER ?= false
diff --git a/server/config/database.go b/server/config/database.go
index 187cbe8bcec..b331ae725a2 100644
--- a/server/config/database.go
+++ b/server/config/database.go
@@ -15,13 +15,9 @@ import (
 	"path/filepath"
 	"strings"
 
-	sqlUtils "github.com/mattermost/mattermost/server/public/utils/sql"
-
 	"github.com/jmoiron/sqlx"
 	"github.com/pkg/errors"
 
-	// Load the MySQL driver
-	_ "github.com/go-sql-driver/mysql"
 	// Load the Postgres driver
 	_ "github.com/lib/pq"
 
@@ -30,7 +26,6 @@ import (
 	"github.com/mattermost/mattermost/server/public/model"
 	"github.com/mattermost/mattermost/server/public/shared/mlog"
 	"github.com/mattermost/morph/drivers"
-	ms "github.com/mattermost/morph/drivers/mysql"
 	ps "github.com/mattermost/morph/drivers/postgres"
 	mbindata "github.com/mattermost/morph/sources/embedded"
 )
@@ -38,12 +33,6 @@ import (
 //go:embed migrations
 var assets embed.FS
 
-// MaxWriteLength defines the maximum length accepted for write to the Configurations or
-// ConfigurationFiles table.
-//
-// It is imposed by MySQL's default max_allowed_packet value of 4Mb.
-const MaxWriteLength = 4 * 1024 * 1024
-
 // We use the something different from the default migration table name of morph
 const migrationsTableName = "db_config_migrations"
 
@@ -120,26 +109,6 @@ func (ds *DatabaseStore) initializeConfigurationsTable() error {
 
 	var driver drivers.Driver
 	switch ds.driverName {
-	case model.DatabaseDriverMysql:
-		dataSource, rErr := sqlUtils.ResetReadTimeout(ds.dataSourceName)
-		if rErr != nil {
-			return fmt.Errorf("failed to reset read timeout from datasource: %w", rErr)
-		}
-
-		dataSource, err = sqlUtils.AppendMultipleStatementsFlag(dataSource)
-		if err != nil {
-			return err
-		}
-
-		var db *sqlx.DB
-		db, err = sqlx.Open(ds.driverName, dataSource)
-		if err != nil {
-			return errors.Wrapf(err, "failed to connect to %s database", ds.driverName)
-		}
-
-		driver, err = ms.WithInstance(db.DB)
-
-		defer db.Close()
 	case model.DatabaseDriverPostgres:
 		driver, err = ps.WithInstance(ds.db.DB)
 	default:
@@ -184,10 +153,6 @@ func parseDSN(dsn string) (string, string, error) {
 
 	scheme := s[0]
 	switch scheme {
-	case "mysql":
-		// Strip off the mysql:// for the dsn with which to connect.
-		dsn = s[1]
-
 	case "postgres", "postgresql":
 		// No changes required
 
@@ -203,15 +168,6 @@ func (ds *DatabaseStore) Set(newCfg *model.Config) error {
 	return ds.persist(newCfg)
 }
 
-// maxLength identifies the maximum length of a configuration or configuration file
-func (ds *DatabaseStore) checkLength(length int) error {
-	if ds.db.DriverName() == "mysql" && length > MaxWriteLength {
-		return errors.Errorf("value is too long: %d > %d bytes", length, MaxWriteLength)
-	}
-
-	return nil
-}
-
 // persist writes the configuration to the configured database.
 func (ds *DatabaseStore) persist(cfg *model.Config) error {
 	b, err := marshalConfig(cfg)
@@ -220,25 +176,11 @@ func (ds *DatabaseStore) persist(cfg *model.Config) error {
 	}
 
 	value := string(b)
-	err = ds.checkLength(len(value))
-	if err != nil {
-		return errors.Wrap(err, "marshalled configuration failed length check")
-	}
-
 	sum := sha256.Sum256(b)
 
 	// Skip the persist altogether if we're effectively writing the same configuration.
 	var oldValue string
-	var row *sql.Row
-	if ds.driverName == model.DatabaseDriverMysql {
-		// We use a sub-query to get the Id first because selecting the Id column using
-		// active uses the index, but selecting SHA column using active does not use the index.
-		// The sub-query uses the active index, and then the top-level query uses the primary key.
-		// This takes 2 queries, but it is actually faster than one slow query for MySQL
-		row = ds.db.QueryRow("SELECT SHA FROM Configurations WHERE Id = (select Id from Configurations Where Active)")
-	} else {
-		row = ds.db.QueryRow("SELECT SHA FROM Configurations WHERE Active")
-	}
+	row := ds.db.QueryRow("SELECT SHA FROM Configurations WHERE Active")
 	if err = row.Scan(&oldValue); err != nil && err != sql.ErrNoRows {
 		return errors.Wrap(err, "failed to query active configuration")
 	}
@@ -265,24 +207,8 @@ func (ds *DatabaseStore) persist(cfg *model.Config) error {
 		}
 	}()
 
-	var oldId string
-	if ds.driverName == model.DatabaseDriverMysql {
-		// the query doesn't use active index if we query for value (mysql, no surprise)
-		// we select Id column which triggers using index hence we do quicker reads
-		// that's the reason we select id first then query against id to get the value.
-		row = tx.QueryRow("SELECT Id FROM Configurations WHERE Active")
-		if err = row.Scan(&oldId); err != nil && err != sql.ErrNoRows {
-			return errors.Wrap(err, "failed to query active configuration")
-		}
-		if oldId != "" {
-			if _, err := tx.NamedExec("UPDATE Configurations SET Active = NULL WHERE Id = :id", map[string]any{"id": oldId}); err != nil {
-				return errors.Wrap(err, "failed to deactivate current configuration")
-			}
-		}
-	} else {
-		if _, err := tx.Exec("UPDATE Configurations SET Active = NULL WHERE Active"); err != nil {
-			return errors.Wrap(err, "failed to deactivate current configuration")
-		}
+	if _, err := tx.Exec("UPDATE Configurations SET Active = NULL WHERE Active"); err != nil {
+		return errors.Wrap(err, "failed to deactivate current configuration")
 	}
 
 	params := map[string]any{
@@ -344,10 +270,6 @@ func (ds *DatabaseStore) GetFile(name string) ([]byte, error) {
 
 // SetFile sets or replaces the contents of a configuration file.
 func (ds *DatabaseStore) SetFile(name string, data []byte) error {
-	err := ds.checkLength(len(data))
-	if err != nil {
-		return errors.Wrap(err, "file data failed length check")
-	}
 	params := map[string]any{
 		"name":      name,
 		"data":      data,
diff --git a/server/config/database_test.go b/server/config/database_test.go
index 3ce60861600..f891882bf95 100644
--- a/server/config/database_test.go
+++ b/server/config/database_test.go
@@ -4,7 +4,6 @@
 package config
 
 import (
-	"bytes"
 	"encoding/json"
 	"errors"
 	"fmt"
@@ -20,9 +19,6 @@ import (
 )
 
 func getDsn(driver string, source string) string {
-	if driver == model.DatabaseDriverMysql {
-		return driver + "://" + source
-	}
 	return source
 }
 
@@ -560,26 +556,6 @@ func TestDatabaseStoreSet(t *testing.T) {
 		assert.Equal(t, "", *ds.Get().ServiceSettings.SiteURL)
 	})
 
-	t.Run("persist failed: too long", func(t *testing.T) {
-		if *mainHelper.Settings.DriverName == "postgres" {
-			t.Skip("No limit for postgres")
-		}
-		_, tearDown := setupConfigDatabase(t, emptyConfig, nil)
-		defer tearDown()
-
-		ds, err := newTestDatabaseStore(nil)
-		require.NoError(t, err)
-		defer ds.Close()
-
-		longSiteURL := fmt.Sprintf("http://%s", strings.Repeat("a", MaxWriteLength))
-		newCfg := emptyConfig.Clone()
-		newCfg.ServiceSettings.SiteURL = model.NewPointer(longSiteURL)
-
-		_, _, err = ds.Set(newCfg)
-		require.Error(t, err)
-		assert.True(t, strings.HasPrefix(err.Error(), "failed to persist: marshalled configuration failed length check: value is too long"), "unexpected error: "+err.Error())
-	})
-
 	t.Run("listeners notified", func(t *testing.T) {
 		activeID, tearDown := setupConfigDatabase(t, emptyConfig, nil)
 		defer tearDown()
@@ -948,28 +924,6 @@ func TestDatabaseSetFile(t *testing.T) {
 		require.NoError(t, err)
 		require.Equal(t, []byte("overwritten file"), data)
 	})
-
-	t.Run("max length", func(t *testing.T) {
-		if *mainHelper.Settings.DriverName == "postgres" {
-			t.Skip("No limit for postgres")
-		}
-		longFile := bytes.Repeat([]byte("a"), MaxWriteLength)
-
-		err := ds.SetFile("toolong", longFile)
-		require.NoError(t, err)
-	})
-
-	t.Run("too long", func(t *testing.T) {
-		if *mainHelper.Settings.DriverName == "postgres" {
-			t.Skip("No limit for postgres")
-		}
-		longFile := bytes.Repeat([]byte("a"), MaxWriteLength+1)
-
-		err := ds.SetFile("toolong", longFile)
-		if assert.Error(t, err) {
-			assert.True(t, strings.HasPrefix(err.Error(), "file data failed length check: value is too long"))
-		}
-	})
 }
 
 func TestDatabaseHasFile(t *testing.T) {
diff --git a/server/config/main_test.go b/server/config/main_test.go
index d8d1d536e02..0b2490feff5 100644
--- a/server/config/main_test.go
+++ b/server/config/main_test.go
@@ -7,7 +7,6 @@ import (
 	"fmt"
 	"testing"
 
-	"github.com/go-sql-driver/mysql"
 	"github.com/lib/pq"
 	"github.com/stretchr/testify/require"
 
@@ -35,18 +34,6 @@ func truncateTable(t *testing.T, table string) {
 	sqlStore := mainHelper.GetSQLStore()
 
 	switch *sqlSetting.DriverName {
-	case model.DatabaseDriverMysql:
-		_, err := sqlStore.GetMaster().Exec(fmt.Sprintf("TRUNCATE TABLE %s", table))
-		if err != nil {
-			if driverErr, ok := err.(*mysql.MySQLError); ok {
-				// Ignore if the Configurations table does not exist.
-				if driverErr.Number == 1146 {
-					return
-				}
-			}
-		}
-		require.NoError(t, err)
-
 	case model.DatabaseDriverPostgres:
 		_, err := sqlStore.GetMaster().Exec(fmt.Sprintf("TRUNCATE TABLE %s", table))
 		if err != nil {
diff --git a/server/docker-compose.makefile.yml b/server/docker-compose.makefile.yml
index 5084117beae..b0f9acd2729 100644
--- a/server/docker-compose.makefile.yml
+++ b/server/docker-compose.makefile.yml
@@ -1,20 +1,4 @@
 services:
-  mysql:
-    restart: 'no'
-    container_name: mattermost-mysql
-    ports:
-      - "3306:3306"
-    extends:
-        file: build/docker-compose.common.yml
-        service: mysql
-  mysql-read-replica:
-    restart: 'no'
-    container_name: mattermost-mysql-read-replica
-    ports:
-      - "3307:3306"
-    extends:
-        file: build/docker-compose.common.yml
-        service: mysql-read-replica
   postgres:
     restart: 'no'
     container_name: mattermost-postgres
diff --git a/server/docker-compose.yaml b/server/docker-compose.yaml
index 9845ec12327..4a53774d3df 100644
--- a/server/docker-compose.yaml
+++ b/server/docker-compose.yaml
@@ -1,18 +1,4 @@
 services:
-  mysql:
-    container_name: mattermost-mysql
-    ports:
-      - "3306:3306"
-    extends:
-        file: build/docker-compose.common.yml
-        service: mysql
-  mysql-read-replica:
-    container_name: mattermost-mysql-read-replica
-    ports:
-      - "3307:3306"
-    extends:
-        file: build/docker-compose.common.yml
-        service: mysql-read-replica
   postgres:
     container_name: mattermost-postgres
     ports:
@@ -114,7 +100,6 @@ services:
     networks:
       - mm-test
     depends_on:
-      - mysql
       - postgres
       - minio
       - inbucket
@@ -125,7 +110,7 @@ services:
       - grafana
       - loki
       - promtail
-    command: postgres:5432 mysql:3306 minio:9000 inbucket:9001 openldap:389 elasticsearch:9200 opensearch:9201 prometheus:9090 grafana:3000 loki:3100 promtail:3180
+    command: postgres:5432 minio:9000 inbucket:9001 openldap:389 elasticsearch:9200 opensearch:9201 prometheus:9090 grafana:3000 loki:3100 promtail:3180
 
   leader:
     build:
diff --git a/server/enterprise/metrics/metrics.go b/server/enterprise/metrics/metrics.go
index 8e97ba04216..445fa604282 100644
--- a/server/enterprise/metrics/metrics.go
+++ b/server/enterprise/metrics/metrics.go
@@ -11,8 +11,6 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/go-sql-driver/mysql"
-
 	"github.com/pkg/errors"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/collectors"
@@ -2222,14 +2220,6 @@ func extractHost(driver, connectionString string) (string, error) {
 			return "", errors.Wrap(err, "failed to parse postgres connection string")
 		}
 		return parsedURL.Host, nil
-	case model.DatabaseDriverMysql:
-		config, err := mysql.ParseDSN(connectionString)
-		if err != nil {
-			return "", errors.Wrap(err, "failed to parse mysql connection string")
-		}
-		host := strings.Split(config.Addr, ":")[0]
-
-		return host, nil
 	}
 	return "", errors.Errorf("unsupported database driver: %q", driver)
 }
diff --git a/server/enterprise/metrics/metrics_test.go b/server/enterprise/metrics/metrics_test.go
index 4e2f79d344d..2811ddffb33 100644
--- a/server/enterprise/metrics/metrics_test.go
+++ b/server/enterprise/metrics/metrics_test.go
@@ -250,18 +250,6 @@ func TestExtractDBCluster(t *testing.T) {
 			connectionStr:       "postgres://rds-cluster-multitenant-1234-postgres.cluster-abcd.us-east-1.rds.amazonaws.com:5432/cloud?connect_timeout=10",
 			expectedClusterName: "rds-cluster-multitenant-1234-postgres",
 		},
-		{
-			description:         "mysql full",
-			driver:              "mysql",
-			connectionStr:       "mysql://user1234:password1234@tcp(rds-cluster-multitenant-1234-mysql.cluster-abcd.us-east-1.rds.amazonaws.com:3306)/cloud?charset=utf8mb4%2Cutf8&readTimeout=30s&writeTimeout=30s&tls=skip-verify",
-			expectedClusterName: "rds-cluster-multitenant-1234-mysql",
-		},
-		{
-			description:         "mysql no credentials",
-			driver:              "mysql",
-			connectionStr:       "mysql://tcp(rds-cluster-multitenant-1234-mysql.cluster-abcd.us-east-1.rds.amazonaws.com:3306)/cloud?charset=utf8mb4%2Cutf8&readTimeout=30s&writeTimeout=30s&tls=skip-verify",
-			expectedClusterName: "rds-cluster-multitenant-1234-mysql",
-		},
 	}
 
 	for _, tc := range testCases {
diff --git a/server/go.mod b/server/go.mod
index bfe25e9731e..5270cbd38cc 100644
--- a/server/go.mod
+++ b/server/go.mod
@@ -18,7 +18,6 @@ require (
 	github.com/fatih/color v1.18.0
 	github.com/fsnotify/fsnotify v1.9.0
 	github.com/getsentry/sentry-go v0.32.0
-	github.com/go-sql-driver/mysql v1.9.2
 	github.com/golang-jwt/jwt/v5 v5.2.2
 	github.com/golang-migrate/migrate/v4 v4.18.3
 	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0
@@ -131,6 +130,7 @@ require (
 	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-resty/resty/v2 v2.16.5 // indirect
+	github.com/go-sql-driver/mysql v1.9.2 // indirect
 	github.com/go-viper/mapstructure/v2 v2.2.1 // indirect
 	github.com/goccy/go-json v0.10.5 // indirect
 	github.com/golang/protobuf v1.5.4 // indirect
diff --git a/server/i18n/en.json b/server/i18n/en.json
index 12167a96280..f5b499c87af 100644
--- a/server/i18n/en.json
+++ b/server/i18n/en.json
@@ -2336,10 +2336,6 @@
     "id": "api.license.add_license.invalid_count.app_error",
     "translation": "Unable to count total unique users."
   },
-  {
-    "id": "api.license.add_license.mysql.app_error",
-    "translation": "This license does not support MySQL."
-  },
   {
     "id": "api.license.add_license.no_file.app_error",
     "translation": "No file under 'license' in request."
@@ -2392,10 +2388,6 @@
     "id": "api.license.request-trial.can-start-trial.not-allowed",
     "translation": "Failed to apply new trial license as your workspace has already applied a trial license. If you would like to extend your trial period please [contact our sales team](https://mattermost.com/contact-us/)."
   },
-  {
-    "id": "api.license.request-trial.mysql.app_error",
-    "translation": "Trial licenses are not supported for MySQL databases. Please use PostgreSQL to access trial features."
-  },
   {
     "id": "api.license.request_trial_license.app_error",
     "translation": "Unable to get a trial license, please try again or contact with support@mattermost.com."
@@ -9718,7 +9710,7 @@
   },
   {
     "id": "model.config.is_valid.sql_driver.app_error",
-    "translation": "Invalid driver name for SQL settings. Must be 'mysql' or 'postgres'."
+    "translation": "Invalid driver name for SQL settings. Must be 'postgres'."
   },
   {
     "id": "model.config.is_valid.sql_idle.app_error",
diff --git a/server/platform/services/searchengine/bleveengine/bleve_test.go b/server/platform/services/searchengine/bleveengine/bleve_test.go
index 03dce6e6919..c66f549d732 100644
--- a/server/platform/services/searchengine/bleveengine/bleve_test.go
+++ b/server/platform/services/searchengine/bleveengine/bleve_test.go
@@ -52,7 +52,7 @@ func (s *BleveEngineTestSuite) setupStore() {
 	if driverName == "" {
 		driverName = model.DatabaseDriverPostgres
 	}
-	s.SQLSettings = storetest.MakeSqlSettings(driverName, false)
+	s.SQLSettings = storetest.MakeSqlSettings(driverName)
 
 	var err error
 	s.SQLStore, err = sqlstore.New(*s.SQLSettings, s.Context.Logger(), nil, sqlstore.DisableMorphLogging())
diff --git a/server/public/go.mod b/server/public/go.mod
index 6129633aa4a..394d55456e2 100644
--- a/server/public/go.mod
+++ b/server/public/go.mod
@@ -6,7 +6,6 @@ require (
 	github.com/blang/semver/v4 v4.0.0
 	github.com/dyatlov/go-opengraph/opengraph v0.0.0-20220524092352-606d7b1e5f8a
 	github.com/francoispqt/gojay v1.2.13
-	github.com/go-sql-driver/mysql v1.9.2
 	github.com/golang/mock v1.6.0
 	github.com/gorilla/mux v1.8.1
 	github.com/gorilla/websocket v1.5.3
@@ -36,7 +35,6 @@ require (
 )
 
 require (
-	filippo.io/edwards25519 v1.1.0 // indirect
 	github.com/beevik/etree v1.5.1 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/fatih/color v1.18.0 // indirect
diff --git a/server/public/go.sum b/server/public/go.sum
index 3964042eaf6..5304cc8430c 100644
--- a/server/public/go.sum
+++ b/server/public/go.sum
@@ -6,8 +6,6 @@ dmitri.shuralyov.com/app/changes v0.0.0-20180602232624-0a106ad413e3/go.mod h1:Yl
 dmitri.shuralyov.com/html/belt v0.0.0-20180602232347-f7d459c86be0/go.mod h1:JLBrvjyP0v+ecvNYvCpyZgu5/xkfAUhi6wJj28eUfSU=
 dmitri.shuralyov.com/service/change v0.0.0-20181023043359-a85b471d5412/go.mod h1:a1inKt/atXimZ4Mv927x+r7UpyzRUf4emIoiiSC2TN4=
 dmitri.shuralyov.com/state v0.0.0-20180228185332-28bcc343414c/go.mod h1:0PRwlb0D6DFvNNtx+9ybjezNCa8XF0xaYcETyp6rHWU=
-filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
-filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
 git.apache.org/thrift.git v0.0.0-20180902110319-2566ecd5d999/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/toml v1.5.0 h1:W5quZX/G/csjUnuI8SUYlsHs9M38FC7znL0lIO+DvMg=
@@ -49,8 +47,6 @@ github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
 github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
-github.com/go-sql-driver/mysql v1.9.2 h1:4cNKDYQ1I84SXslGddlsrMhc8k4LeDVj6Ad6WRjiHuU=
-github.com/go-sql-driver/mysql v1.9.2/go.mod h1:qn46aNg1333BRMNU69Lq93t8du/dwxI64Gl8i5p1WMU=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:tluoj9z5200jBnyusfRPU2LqT6J+DAorxEvtC7LHB+E=
diff --git a/server/public/model/config.go b/server/public/model/config.go
index 3c7876cfbbe..9757c3869a4 100644
--- a/server/public/model/config.go
+++ b/server/public/model/config.go
@@ -20,7 +20,6 @@ import (
 	"strings"
 	"time"
 
-	"github.com/go-sql-driver/mysql"
 	"github.com/mattermost/ldap"
 	"github.com/pkg/errors"
 
@@ -37,7 +36,6 @@ const (
 	ImageDriverLocal = "local"
 	ImageDriverS3    = "amazons3"
 
-	DatabaseDriverMysql    = "mysql"
 	DatabaseDriverPostgres = "postgres"
 
 	SearchengineElasticsearch = "elasticsearch"
@@ -4199,7 +4197,7 @@ func (s *SqlSettings) isValid() *AppError {
 		return NewAppError("Config.IsValid", "model.config.is_valid.encrypt_sql.app_error", nil, "", http.StatusBadRequest)
 	}
 
-	if !(*s.DriverName == DatabaseDriverMysql || *s.DriverName == DatabaseDriverPostgres) {
+	if *s.DriverName != DatabaseDriverPostgres {
 		return NewAppError("Config.IsValid", "model.config.is_valid.sql_driver.app_error", nil, "", http.StatusBadRequest)
 	}
 
@@ -4957,14 +4955,6 @@ func SanitizeDataSource(driverName, dataSource string) (string, error) {
 			return "", err
 		}
 		return out, nil
-	case DatabaseDriverMysql:
-		cfg, err := mysql.ParseDSN(dataSource)
-		if err != nil {
-			return "", err
-		}
-		cfg.User = SanitizedPassword
-		cfg.Passwd = SanitizedPassword
-		return cfg.FormatDSN(), nil
 	default:
 		return "", errors.New("invalid drivername. Not postgres or mysql.")
 	}
diff --git a/server/public/model/config_test.go b/server/public/model/config_test.go
index d703b4b63a1..1498aed285c 100644
--- a/server/public/model/config_test.go
+++ b/server/public/model/config_test.go
@@ -1732,24 +1732,6 @@ func TestSanitizeDataSource(t *testing.T) {
 			assert.Equal(t, tc.Sanitized, out)
 		}
 	})
-
-	t.Run(DatabaseDriverMysql, func(t *testing.T) {
-		testCases := []struct {
-			Original  string
-			Sanitized string
-		}{
-			{
-				"mmuser:mostest@tcp(localhost:3306)/mattermost_test?charset=utf8mb4,utf8&readTimeout=30s&writeTimeout=30s",
-				SanitizedPassword + ":" + SanitizedPassword + "@tcp(localhost:3306)/mattermost_test?charset=utf8mb4,utf8&readTimeout=30s&writeTimeout=30s",
-			},
-		}
-		driver := DatabaseDriverMysql
-		for _, tc := range testCases {
-			out, err := SanitizeDataSource(driver, tc.Original)
-			require.NoError(t, err)
-			assert.Equal(t, tc.Sanitized, out)
-		}
-	})
 }
 
 func TestConfigFilteredByTag(t *testing.T) {
diff --git a/server/public/plugin/client_rpc.go b/server/public/plugin/client_rpc.go
index bba1e3265a0..2e288d89ddf 100644
--- a/server/public/plugin/client_rpc.go
+++ b/server/public/plugin/client_rpc.go
@@ -21,7 +21,6 @@ import (
 	"reflect"
 	"sync"
 
-	"github.com/go-sql-driver/mysql"
 	"github.com/hashicorp/go-plugin"
 	"github.com/lib/pq"
 
@@ -105,10 +104,6 @@ func encodableError(err error) error {
 		return err
 	}
 
-	if _, ok := err.(*mysql.MySQLError); ok {
-		return err
-	}
-
 	ret := &ErrorString{
 		Err: err.Error(),
 	}
@@ -162,7 +157,6 @@ func init() {
 	gob.Register(map[string]any{})
 	gob.Register(&model.AppError{})
 	gob.Register(&pq.Error{})
-	gob.Register(&mysql.MySQLError{})
 	gob.Register(&ErrorString{})
 	gob.Register(&model.AutocompleteDynamicListArg{})
 	gob.Register(&model.AutocompleteStaticListArg{})
diff --git a/server/public/pluginapi/store.go b/server/public/pluginapi/store.go
index 362bb04e851..59e5403e03a 100644
--- a/server/public/pluginapi/store.go
+++ b/server/public/pluginapi/store.go
@@ -5,7 +5,6 @@ import (
 	"sync"
 
 	// import sql drivers
-	_ "github.com/go-sql-driver/mysql"
 	_ "github.com/lib/pq"
 
 	"github.com/mattermost/mattermost/server/public/plugin"
diff --git a/server/public/utils/sql/sql_utils.go b/server/public/utils/sql/sql_utils.go
index c1a24dd6853..bb847517f81 100644
--- a/server/public/utils/sql/sql_utils.go
+++ b/server/public/utils/sql/sql_utils.go
@@ -9,7 +9,6 @@ import (
 	"strings"
 	"time"
 
-	"github.com/go-sql-driver/mysql"
 	"github.com/mattermost/mattermost/server/public/model"
 	"github.com/mattermost/mattermost/server/public/shared/mlog"
 	"github.com/pkg/errors"
@@ -22,31 +21,6 @@ const (
 	replicaLagPrefix = "replica-lag"
 )
 
-// ResetReadTimeout removes the timeout constraint from the MySQL dsn.
-func ResetReadTimeout(dataSource string) (string, error) {
-	config, err := mysql.ParseDSN(dataSource)
-	if err != nil {
-		return "", err
-	}
-	config.ReadTimeout = 0
-	return config.FormatDSN(), nil
-}
-
-// AppendMultipleStatementsFlag attached dsn parameters to MySQL dsn in order to make migrations work.
-func AppendMultipleStatementsFlag(dataSource string) (string, error) {
-	config, err := mysql.ParseDSN(dataSource)
-	if err != nil {
-		return "", err
-	}
-
-	if config.Params == nil {
-		config.Params = map[string]string{}
-	}
-
-	config.Params["multiStatements"] = "true"
-	return config.FormatDSN(), nil
-}
-
 // SetupConnection sets up the connection to the database and pings it to make sure it's alive.
 // It also applies any database configuration settings that are required.
 func SetupConnection(logger mlog.LoggerIFace, connType string, dataSource string, settings *model.SqlSettings, attempts int) (*dbsql.DB, error) {
diff --git a/server/public/utils/sql/sql_utils_test.go b/server/public/utils/sql/sql_utils_test.go
deleted file mode 100644
index e5f28722234..00000000000
--- a/server/public/utils/sql/sql_utils_test.go
+++ /dev/null
@@ -1,65 +0,0 @@
-// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See LICENSE.txt for license information.
-
-package sql
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-)
-
-func TestAppendMultipleStatementsFlag(t *testing.T) {
-	testCases := []struct {
-		Scenario    string
-		DSN         string
-		ExpectedDSN string
-	}{
-		{
-			"Should append multiStatements param to the DSN path with existing params",
-			"user:rand?&ompasswith@character@unix(/var/run/mysqld/mysqld.sock)/mattermost?writeTimeout=30s",
-			"user:rand?&ompasswith@character@unix(/var/run/mysqld/mysqld.sock)/mattermost?writeTimeout=30s&multiStatements=true",
-		},
-		{
-			"Should append multiStatements param to the DSN path with no existing params",
-			"user:rand?&ompasswith@character@unix(/var/run/mysqld/mysqld.sock)/mattermost",
-			"user:rand?&ompasswith@character@unix(/var/run/mysqld/mysqld.sock)/mattermost?multiStatements=true",
-		},
-	}
-
-	for _, tc := range testCases {
-		t.Run(tc.Scenario, func(t *testing.T) {
-			res, err := AppendMultipleStatementsFlag(tc.DSN)
-			require.NoError(t, err)
-			assert.Equal(t, tc.ExpectedDSN, res)
-		})
-	}
-}
-
-func TestResetReadTimeout(t *testing.T) {
-	testCases := []struct {
-		Scenario    string
-		DSN         string
-		ExpectedDSN string
-	}{
-		{
-			"Should re move read timeout param from the DSN",
-			"user:rand?&ompasswith@character@unix(/var/run/mysqld/mysqld.sock)/mattermost?readTimeout=30s",
-			"user:rand?&ompasswith@character@unix(/var/run/mysqld/mysqld.sock)/mattermost",
-		},
-		{
-			"Should change nothing as there is no read timeout param specified",
-			"user:rand?&ompasswith@character@unix(/var/run/mysqld/mysqld.sock)/mattermost",
-			"user:rand?&ompasswith@character@unix(/var/run/mysqld/mysqld.sock)/mattermost",
-		},
-	}
-
-	for _, tc := range testCases {
-		t.Run(tc.Scenario, func(t *testing.T) {
-			res, err := ResetReadTimeout(tc.DSN)
-			require.NoError(t, err)
-			assert.Equal(t, tc.ExpectedDSN, res)
-		})
-	}
-}
diff --git a/webapp/channels/src/components/admin_console/license_settings/index.ts b/webapp/channels/src/components/admin_console/license_settings/index.ts
index f80dbda7134..8a080fde603 100644
--- a/webapp/channels/src/components/admin_console/license_settings/index.ts
+++ b/webapp/channels/src/components/admin_console/license_settings/index.ts
@@ -26,7 +26,6 @@ function mapStateToProps(state: GlobalState) {
         totalUsers: selectFilteredUserStats(state)?.total_users_count || 0,
         upgradedFromTE: config.UpgradedFromTE === 'true',
         prevTrialLicense: state.entities.admin.prevTrialLicense,
-        isMySql: config.SQLDriverName === 'mysql',
     };
 }
 
diff --git a/webapp/channels/src/components/admin_console/license_settings/license_settings.test.tsx b/webapp/channels/src/components/admin_console/license_settings/license_settings.test.tsx
index 1998df9d412..e7717ebe6c2 100644
--- a/webapp/channels/src/components/admin_console/license_settings/license_settings.test.tsx
+++ b/webapp/channels/src/components/admin_console/license_settings/license_settings.test.tsx
@@ -43,7 +43,6 @@ describe('components/admin_console/license_settings/LicenseSettings', () => {
         enterpriseReady: true,
         totalUsers: 10,
         environmentConfig: {},
-        isMySql: false,
         actions: {
             getLicenseConfig: jest.fn(),
             uploadLicense: jest.fn(),
diff --git a/webapp/channels/src/components/admin_console/license_settings/license_settings.tsx b/webapp/channels/src/components/admin_console/license_settings/license_settings.tsx
index 2b6236a0846..f4662f073a6 100644
--- a/webapp/channels/src/components/admin_console/license_settings/license_settings.tsx
+++ b/webapp/channels/src/components/admin_console/license_settings/license_settings.tsx
@@ -46,7 +46,6 @@ type Props = {
     isDisabled: boolean;
     prevTrialLicense: ClientLicense;
     environmentConfig: Partial<EnvironmentConfig>;
-    isMySql: boolean;
     actions: {
         getLicenseConfig: () => void;
         uploadLicense: (file: File) => Promise<ActionResult>;
@@ -282,7 +281,7 @@ export default class LicenseSettings extends React.PureComponent<Props, State> {
     );
 
     render() {
-        const {license, upgradedFromTE, isDisabled, isMySql} = this.props;
+        const {license, upgradedFromTE, isDisabled} = this.props;
 
         let leftPanel = null;
         let rightPanel = null;
@@ -365,7 +364,6 @@ export default class LicenseSettings extends React.PureComponent<Props, State> {
                             />
                             {!this.state.clickNormalUpgradeBtn && license.IsLicensed !== 'true' &&
                                 this.props.prevTrialLicense?.IsLicensed !== 'true' &&
-                                !isMySql &&
                                 <TrialBanner
                                     isDisabled={isDisabled}
                                     gettingTrialResponseCode={this.state.gettingTrialResponseCode}
diff --git a/webapp/channels/src/components/admin_console/system_users/index.ts b/webapp/channels/src/components/admin_console/system_users/index.ts
index 4fe5523aa81..6305c79e40b 100644
--- a/webapp/channels/src/components/admin_console/system_users/index.ts
+++ b/webapp/channels/src/components/admin_console/system_users/index.ts
@@ -7,10 +7,8 @@ import {connect} from 'react-redux';
 import {ReportDuration} from '@mattermost/types/reports';
 
 import {savePreferences} from 'mattermost-redux/actions/preferences';
-import Preferences from 'mattermost-redux/constants/preferences';
 import {getCurrentUser} from 'mattermost-redux/selectors/entities/common';
 import {getConfig} from 'mattermost-redux/selectors/entities/general';
-import {get as getPreferences} from 'mattermost-redux/selectors/entities/preferences';
 
 import {getUserCountForReporting, getUserReports, setAdminConsoleUsersManagementTableProperties} from 'actions/views/admin';
 import {adminConsoleUserManagementTablePropertiesInitialState} from 'reducers/views/admin';
@@ -28,8 +26,6 @@ function mapStateToProps(state: GlobalState) {
     const mfaEnabled = config.EnableMultifactorAuthentication === 'true';
     const enableUserAccessTokens = config.EnableUserAccessTokens === 'true';
     const experimentalEnableAuthenticationTransfer = config.ExperimentalEnableAuthenticationTransfer === 'true';
-    const isMySql = config.SQLDriverName === 'mysql';
-    const hideMySqlNotification = getPreferences(state, Preferences.CATEGORY_REPORTING, Preferences.HIDE_MYSQL_STATS_NOTIFICATION, '') === 'true';
 
     const currentUser = getCurrentUser(state);
 
@@ -55,8 +51,6 @@ function mapStateToProps(state: GlobalState) {
         enableUserAccessTokens,
         experimentalEnableAuthenticationTransfer,
         currentUser,
-        isMySql,
-        hideMySqlNotification,
         tablePropertySortColumn,
         tablePropertySortIsDescending,
         tablePropertyPageSize,
diff --git a/webapp/channels/src/components/admin_console/system_users/system_users.tsx b/webapp/channels/src/components/admin_console/system_users/system_users.tsx
index e44d3f90508..feff0e29b81 100644
--- a/webapp/channels/src/components/admin_console/system_users/system_users.tsx
+++ b/webapp/channels/src/components/admin_console/system_users/system_users.tsx
@@ -12,11 +12,8 @@ import type {ServerError} from '@mattermost/types/errors';
 import {CursorPaginationDirection} from '@mattermost/types/reports';
 import type {ReportDuration, UserReport} from '@mattermost/types/reports';
 
-import Preferences from 'mattermost-redux/constants/preferences';
-
 import {AdminConsoleListTable, ElapsedDurationCell, PAGE_SIZES, LoadingStates} from 'components/admin_console/list_table';
 import type {TableMeta} from 'components/admin_console/list_table';
-import AlertBanner from 'components/alert_banner';
 import SharedUserIndicator from 'components/shared_user_indicator';
 import AdminHeader from 'components/widgets/admin_console/admin_header';
 
@@ -71,7 +68,6 @@ function SystemUsers(props: Props) {
     const [userReports, setUserReports] = useState<UserReportWithError[]>([]);
     const [userCount, setUserCount] = useState<number | undefined>();
     const [loadingState, setLoadingState] = useState<LoadingStates>(LoadingStates.Loading);
-    const [showMySqlBanner, setShowMySqlBanner] = useState(props.isMySql && !props.hideMySqlNotification);
 
     // Effect to get the total user count
     useEffect(() => {
@@ -151,16 +147,6 @@ function SystemUsers(props: Props) {
         props.tablePropertyDateRange,
     ]);
 
-    function handleDismissMySqlNotice() {
-        setShowMySqlBanner(false);
-        props.savePreferences(props.currentUser.id, [{
-            category: Preferences.CATEGORY_REPORTING,
-            name: Preferences.HIDE_MYSQL_STATS_NOTIFICATION,
-            user_id: props.currentUser.id,
-            value: 'true',
-        }]);
-    }
-
     // Handlers for table actions
 
     function handleRowClick(userId: UserReport['id']) {
@@ -363,7 +349,7 @@ function SystemUsers(props: Props) {
                     defaultMessage: 'Last post',
                 }),
                 cell: (info: CellContext<UserReport, number | undefined>) => <ElapsedDurationCell date={info.getValue()}/>,
-                enableHiding: !props.isMySql,
+                enableHiding: true,
                 enablePinning: false,
                 enableSorting: false,
             },
@@ -378,7 +364,7 @@ function SystemUsers(props: Props) {
                 meta: {
                     isNumeric: true,
                 },
-                enableHiding: !props.isMySql,
+                enableHiding: true,
                 enablePinning: false,
                 enableSorting: false,
             },
@@ -393,7 +379,7 @@ function SystemUsers(props: Props) {
                 meta: {
                     isNumeric: true,
                 },
-                enableHiding: !props.isMySql,
+                enableHiding: true,
                 enablePinning: false,
                 enableSorting: false,
             },
@@ -441,11 +427,6 @@ function SystemUsers(props: Props) {
 
     const columnVisibility = {
         ...props.tablePropertyColumnVisibility,
-        ...(props.isMySql ? {
-            [ColumnNames.lastPostDate]: false,
-            [ColumnNames.daysActive]: false,
-            [ColumnNames.totalPosts]: false,
-        } : {}),
     };
 
     const table = useReactTable({
@@ -498,49 +479,6 @@ function SystemUsers(props: Props) {
                 <RevokeSessionsButton/>
             </AdminHeader>
             <div className='admin-console__wrapper'>
-                {showMySqlBanner &&
-                <AlertBanner
-                    className='systemUsers__mySqlAlertBanner'
-                    mode='warning'
-                    title={
-                        <FormattedMessage
-                            id='admin.system_users.mysql_stats.title'
-                            defaultMessage='Some statistics are unavailable for servers using MySQL'
-                        />
-                    }
-                    message={
-                        <>
-                            <FormattedMessage
-                                id='admin.system_users.mysql_stats.desc'
-                                defaultMessage='Use of MySQL may limit the availability of some statistics features. We recommend transitioning from MySQL to PostgreSQL to fully leverage improved performance and comprehensive analytics. While you’re still using MySQL, please use the export functionality to view all user statistics.'
-                            />
-                            <div className='systemUsers__mySqlAlertBanner-buttons'>
-                                <button
-                                    type='button'
-                                    className='btn btn-primary'
-                                    onClick={() => window.open('https://mattermost.com/pl/user-stats-learn-more', '_blank')}
-                                >
-                                    <FormattedMessage
-                                        id='admin.system_users.mysql_stats.learn_more'
-                                        defaultMessage='Learn more'
-                                    />
-                                </button>
-                                <button
-                                    type='button'
-                                    className='btn btn-tertiary'
-                                    onClick={handleDismissMySqlNotice}
-                                >
-                                    <FormattedMessage
-                                        id='admin.system_users.mysql_stats.dismiss'
-                                        defaultMessage='Dismiss'
-                                    />
-                                </button>
-                            </div>
-                        </>
-                    }
-                    onDismiss={handleDismissMySqlNotice}
-                />
-                }
                 <div className='admin-console__container ignore-marking'>
                     <div className='admin-console__filters-rows'>
                         <SystemUsersSearch
@@ -553,7 +491,6 @@ function SystemUsers(props: Props) {
                             filterStatus={props.tablePropertyFilterStatus}
                         />
                         <SystemUsersColumnTogglerMenu
-                            isMySql={props.isMySql}
                             allColumns={table.getAllLeafColumns()}
                             visibleColumnsLength={table.getVisibleLeafColumns()?.length ?? 0}
                         />
diff --git a/webapp/channels/src/components/admin_console/system_users/system_users_column_toggler_menu/index.tsx b/webapp/channels/src/components/admin_console/system_users/system_users_column_toggler_menu/index.tsx
index ba541bc9c78..89248e4cbc1 100644
--- a/webapp/channels/src/components/admin_console/system_users/system_users_column_toggler_menu/index.tsx
+++ b/webapp/channels/src/components/admin_console/system_users/system_users_column_toggler_menu/index.tsx
@@ -9,15 +9,12 @@ import type {UserReport} from '@mattermost/types/reports';
 
 import * as Menu from 'components/menu';
 import Input from 'components/widgets/inputs/input/input';
-import Tag from 'components/widgets/tag/tag';
-import WithTooltip from 'components/with_tooltip';
 
 import {ColumnNames} from '../constants';
 
 import './system_users_column_toggler.scss';
 
 interface Props {
-    isMySql: boolean;
     allColumns: Array<Column<UserReport>>;
     visibleColumnsLength: number;
 }
@@ -150,28 +147,6 @@ export function SystemUsersColumnTogglerMenu(props: Props) {
                         );
                     }
 
-                    const postStatsColumns: string[] = [ColumnNames.lastPostDate, ColumnNames.daysActive, ColumnNames.totalPosts];
-                    if (props.isMySql && postStatsColumns.includes(column.id)) {
-                        return (
-                            <WithTooltip
-                                key={column.id}
-                                title={formatMessage({id: 'admin.system_users.column_toggler.mysql_unavailable.title', defaultMessage: 'Not available for servers using MySQL'})}
-                                hint={formatMessage({id: 'admin.system_users.column_toggler.mysql_unavailable.desc', defaultMessage: 'Please use the export functionality to view these values'})}
-                                isVertical={false}
-                            >
-                                <Menu.Item
-                                    className='systemUsersColumnToggler__lockedItem'
-                                    role='menuitemcheckbox'
-                                    labels={getColumnName(column.id)}
-                                    disabled={true}
-                                    leadingElement={leadingElement}
-                                    trailingElements={<Tag text={formatMessage({id: 'admin.system_users.column_toggler.mysql_unavailable.label', defaultMessage: 'Not available'})}/>}
-                                    onClick={column.getToggleVisibilityHandler()}
-                                />
-                            </WithTooltip>
-                        );
-                    }
-
                     return (
                         <Menu.Item
                             key={column.id}
diff --git a/webapp/channels/src/components/announcement_bar/show_start_trial_modal/show_start_trial_modal.tsx b/webapp/channels/src/components/announcement_bar/show_start_trial_modal/show_start_trial_modal.tsx
index 881bd950667..63510b3d2fc 100644
--- a/webapp/channels/src/components/announcement_bar/show_start_trial_modal/show_start_trial_modal.tsx
+++ b/webapp/channels/src/components/announcement_bar/show_start_trial_modal/show_start_trial_modal.tsx
@@ -37,7 +37,6 @@ const ShowStartTrialModal = () => {
 
     const config = useSelector((state: GlobalState) => getConfig(state));
     const installationDate = config.InstallationDate;
-    const isMySql = config.SQLDriverName === 'mysql';
     const currentUser = useSelector((state: GlobalState) => getCurrentUser(state));
     const hadAdminDismissedModal = useSelector((state: GlobalState) => getBool(state, Preferences.START_TRIAL_MODAL, Constants.TRIAL_MODAL_AUTO_SHOWN));
 
@@ -76,7 +75,7 @@ const ShowStartTrialModal = () => {
         const now = new Date().getTime();
         const hasEnvMoreThan6Hours = now > installationDatePlus6Hours;
         const hasEnvMoreThan10Users = Number(totalUsers) > userThreshold;
-        if (isUserAdmin && !isMySql && !isBenefitsModalOpened && hasEnvMoreThan10Users && hasEnvMoreThan6Hours && !hadAdminDismissedModal && !isLicensedOrPreviousLicensed) {
+        if (isUserAdmin && !isBenefitsModalOpened && hasEnvMoreThan10Users && hasEnvMoreThan6Hours && !hadAdminDismissedModal && !isLicensedOrPreviousLicensed) {
             openStartTrialFormModal({trackingLocation: 'show_start_trial_modal'}, handleOnClose);
             trackEvent(
                 TELEMETRY_CATEGORIES.SELF_HOSTED_START_TRIAL_AUTO_MODAL,
diff --git a/webapp/channels/src/components/widgets/inputs/dropdown_input_hybrid.tsx b/webapp/channels/src/components/widgets/inputs/dropdown_input_hybrid.tsx
index 13f8d2e7975..b255503ffdc 100644
--- a/webapp/channels/src/components/widgets/inputs/dropdown_input_hybrid.tsx
+++ b/webapp/channels/src/components/widgets/inputs/dropdown_input_hybrid.tsx
@@ -6,7 +6,7 @@ import React, {useState, useEffect, useRef} from 'react';
 import type {MessageDescriptor} from 'react-intl';
 import {useIntl} from 'react-intl';
 import ReactSelect, {components} from 'react-select';
-import type {Props as SelectProps, IndicatorsContainerProps, ControlProps, OptionProps, StylesConfig, SingleValue} from 'react-select';
+import type {Props as SelectProps, IndicatorsContainerProps, ControlProps, OptionProps, StylesConfig, SingleValue, GroupBase} from 'react-select';
 
 import 'components/widgets/inputs/input/input.scss';
 import './dropdown_input_hybrid.scss';
@@ -73,7 +73,7 @@ const Control = <T extends OptionType>(props: ControlProps<T>) => (
     </div>
 );
 
-const Option = <T extends OptionType>(props: OptionProps<T>) => (
+const Option = <T extends OptionType>(props: OptionProps<T, false, GroupBase<T>>) => (
     <div
         className={classNames('DropdownInput__option', {
             selected: props.isSelected,