diff --git a/ext/js/pages/settings/dictionary-controller.js b/ext/js/pages/settings/dictionary-controller.js
index 9e2d79e83..987e6a2df 100644
--- a/ext/js/pages/settings/dictionary-controller.js
+++ b/ext/js/pages/settings/dictionary-controller.js
@@ -1177,7 +1177,6 @@ export class DictionaryController {
 
             await this._deleteDictionaryInternal(dictionaryTitle, onProgress);
             await this._deleteDictionarySettings(dictionaryTitle);
-            this._onDictionariesUpdate = null;
         } catch (e) {
             log.error(e);
         } finally {