diff --git a/client/galaxy/scripts/apps/extended.js b/client/galaxy/scripts/apps/extended.js
index f2c8c3a464c..795e5ec928e 100644
--- a/client/galaxy/scripts/apps/extended.js
+++ b/client/galaxy/scripts/apps/extended.js
@@ -11,13 +11,14 @@ import Modal from "mvc/ui/ui-modal";
 import pagesEditorOnload from "galaxy.pages";
 import Data from "mvc/dataset/data";
 import History from "mvc/history/history-model";
+import HistoryContents from "mvc/history/history-contents";
 import MultiPanel from "mvc/history/multi-panel";
 import HistoryView from "mvc/history/history-view";
 import HistoryViewEdit from "mvc/history/history-view-edit";
 import HistoryCopyDialog from "mvc/history/copy-dialog";
 import addLogging from "utils/add-logging";
 
-if (window.Galaxy && window.Galaxy.debug === undefined){
+if (window.Galaxy && window.Galaxy.debug === undefined) {
     //TODO: (kind of a temporary hack?) Must have Galaxy.logging for some of the imports
     //here; remove when imports are all fixed.
     addLogging(window.Galaxy, "GalaxyApp");
@@ -168,7 +169,9 @@ export const bundleEntries = {
     phyloviz: Phyloviz.PhylovizView,
     createTabularDatasetChunkedView: Data.createTabularDatasetChunkedView,
     multiHistory: multiHistoryEntry,
-    history: historyEntry
+    history: historyEntry,
+    History: History.History,
+    HistoryContents: HistoryContents.HistoryContents
 };
 
 window.bundleEntries = bundleEntries;
diff --git a/templates/webapps/galaxy/history/embed.mako b/templates/webapps/galaxy/history/embed.mako
index fb119b2d070..67e4f7bd111 100644
--- a/templates/webapps/galaxy/history/embed.mako
+++ b/templates/webapps/galaxy/history/embed.mako
@@ -57,10 +57,7 @@
         $embeddedHistory.find( '.item-content' ).addClass( 'flex-vertical-container' );
 
         $(function(){
-            var HISTORY = require( 'mvc/history/history-model' );
-            var HISTORY_CONTENTS = require( 'mvc/history/history-contents' );
-
-            var HistoryContentsWithAnnotations = HISTORY_CONTENTS.default.HistoryContents.extend({
+            var HistoryContentsWithAnnotations = window.bundleEntries.HistoryContents.extend({
                 _buildFetchData : function( options ){
                     console.log( '_buildFetchData:' );
                     options = options || {};
@@ -68,10 +65,10 @@
                         options.view = 'summary';
                         options.keys = 'annotation,tags';
                     }
-                    return HISTORY_CONTENTS.default.HistoryContents.prototype._buildFetchData.call( this, options );
+                    return window.bundleEntries.HistoryContents.prototype._buildFetchData.call( this, options );
                 }
             });
-            var HistoryWithAnnotations = HISTORY.default.History.extend({
+            var HistoryWithAnnotations = window.bundleEntries.History.extend({
                 contentsClass : HistoryContentsWithAnnotations
             });