diff --git a/client/src/bundleEntries.js b/client/src/bundleEntries.js
index 0b2a7a994fb..470965c572a 100644
--- a/client/src/bundleEntries.js
+++ b/client/src/bundleEntries.js
@@ -74,7 +74,6 @@ export function chart(options) {
 }
 
 export { initMasthead } from "components/Masthead/initMasthead";
-export { panelManagement } from "onload/globalInits/panelManagement";
 export { mountMakoTags } from "components/Tags";
 export { mountWorkflowEditor } from "components/Workflow/Editor/mount";
 export { mountPageEditor } from "components/PageEditor/mount";
diff --git a/client/src/onload/globalInits/panelManagement.js b/client/src/onload/globalInits/panelManagement.js
deleted file mode 100644
index dbb3e9e1102..00000000000
--- a/client/src/onload/globalInits/panelManagement.js
+++ /dev/null
@@ -1,36 +0,0 @@
-/**
- * Panel management code transplanted from base.mako
- * TODO: figure out when these functions fire
- *
- * @param {} panelConfig
- */
-export function panelManagement(panelConfig) {
-    console.log("panelManagement");
-    console.log("(looks like it's assinging some global handlers to window to manage the left and right panel views?)");
-
-    const { left_panel, right_panel, rightPanelSelector, leftPanelSelector } = panelConfig;
-
-    if (left_panel) {
-        var lp = new window.bundleEntries.panels.LeftPanel({
-            el: leftPanelSelector,
-        });
-        window.force_left_panel = function (x) {
-            console.log("window.force_left_panel fired");
-            lp.force_panel(x);
-        };
-    }
-
-    if (right_panel) {
-        var rp = new window.bundleEntries.panels.RightPanel({
-            el: rightPanelSelector,
-        });
-        window.handle_minwidth_hint = function (x) {
-            console.log("window.handle_minwidth_hint", x);
-            rp.handle_minwidth_hint(x);
-        };
-        window.force_right_panel = function (x) {
-            console.log("window.force_right_panel", x);
-            rp.force_panel(x);
-        };
-    }
-}
diff --git a/client/src/viz/trackster.js b/client/src/viz/trackster.js
index 364b959e5e5..01269142df0 100644
--- a/client/src/viz/trackster.js
+++ b/client/src/viz/trackster.js
@@ -138,14 +138,6 @@ export class TracksterUI extends Backbone.Model {
                         );
                     },
                 },
-                {
-                    icon_class: "bookmarks",
-                    title: _l("Bookmarks"),
-                    on_click: () => {
-                        // HACK -- use style to determine if panel is hidden and hide/show accordingly.
-                        window.force_right_panel($("div#right").css("right") == "0px" ? "hide" : "show");
-                    },
-                },
                 {
                     icon_class: "globe",
                     title: _l("Circster"),
@@ -395,9 +387,6 @@ export class TracksterUIView extends Backbone.View {
             this.ui.view.resize_window();
         });
 
-        // hide right panel
-        window.force_right_panel("hide");
-
         // check if id is available
         if (window.galaxy_config.app.id) {
             this.view_existing();
diff --git a/templates/base/base_panels.mako b/templates/base/base_panels.mako
index 72f27b3728d..df993dcaf1a 100644
--- a/templates/base/base_panels.mako
+++ b/templates/base/base_panels.mako
@@ -60,7 +60,6 @@
         // "late javascripts"
         config.addInitialization(function() {
             console.log("base/base_panels.mako, panel init");
-            window.bundleEntries.panelManagement(panelConfig);
         });
 
     </script>
diff --git a/templates/webapps/galaxy/galaxy.panels.mako b/templates/webapps/galaxy/galaxy.panels.mako
index f944dadfcd2..90d8c177fd8 100644
--- a/templates/webapps/galaxy/galaxy.panels.mako
+++ b/templates/webapps/galaxy/galaxy.panels.mako
@@ -197,7 +197,6 @@
 
         config.addInitialization(function() {
             console.log("base/base_panels.mako, panel init");
-            window.bundleEntries.panelManagement(panelConfig);
         });
 
         config.addInitialization(function() {