diff --git a/ext/js/display/display-anki.js b/ext/js/display/display-anki.js
index 1ce12b09a..e33789c6a 100644
--- a/ext/js/display/display-anki.js
+++ b/ext/js/display/display-anki.js
@@ -249,6 +249,7 @@ export class DisplayAnki {
         this._updateDictionaryEntryDetailsToken = null;
         this._dictionaryEntryDetails = null;
         this._hideErrorNotification(false);
+        this._eventListeners.removeAllEventListeners();
     }
 
     /** */
diff --git a/ext/js/display/element-overflow-controller.js b/ext/js/display/element-overflow-controller.js
index 21a01d9e1..0321b441f 100644
--- a/ext/js/display/element-overflow-controller.js
+++ b/ext/js/display/element-overflow-controller.js
@@ -115,7 +115,9 @@ export class ElementOverflowController {
     /** */
     clearElements() {
         this._elements.length = 0;
+        this._eventListeners.removeAllEventListeners();
         this._windowEventListeners.removeAllEventListeners();
+        this._dictionaries.clear();
     }
 
     // Private