diff --git a/core/modules/outside_in/js/outside_in.es6.js b/core/modules/outside_in/js/outside_in.es6.js
index 694aca85b0..6789c73158 100644
--- a/core/modules/outside_in/js/outside_in.es6.js
+++ b/core/modules/outside_in/js/outside_in.es6.js
@@ -1,6 +1,12 @@
 /**
  * @file
  * Drupal's Settings Tray library.
+ *
+ * The Drupal.t() function is used in this file but cannot be destructed here
+ * because Javascript files are scanned for calls to Drupal.t().
+ *
+ * @todo Destructure Drupal.t() if in possilbe in https://www.drupal.org/node/2893361
+ * @see _locale_parse_js_file()
  */
 (function ($, { announce, ajax, attachBehaviors, toolbar, behaviors }) {
   const blockConfigureSelector = '[data-outside-in-edit]';