diff --git a/ext/js/app/popup.js b/ext/js/app/popup.js
index eb5e85a58..c8ecdf687 100644
--- a/ext/js/app/popup.js
+++ b/ext/js/app/popup.js
@@ -21,6 +21,7 @@ import {DynamicProperty} from '../core/dynamic-property.js';
 import {EventDispatcher} from '../core/event-dispatcher.js';
 import {EventListenerCollection} from '../core/event-listener-collection.js';
 import {ExtensionError} from '../core/extension-error.js';
+import {safePerformance} from '../core/safe-performance.js';
 import {deepEqual} from '../core/utilities.js';
 import {addFullscreenChangeEventListener, computeZoomScale, convertRectZoomCoordinates, getFullscreenElement} from '../dom/document-util.js';
 import {loadStyle} from '../dom/style-util.js';
diff --git a/ext/js/comm/cross-frame-api.js b/ext/js/comm/cross-frame-api.js
index e1413687a..1b7d3f69e 100644
--- a/ext/js/comm/cross-frame-api.js
+++ b/ext/js/comm/cross-frame-api.js
@@ -22,6 +22,7 @@ import {EventListenerCollection} from '../core/event-listener-collection.js';
 import {ExtensionError} from '../core/extension-error.js';
 import {parseJson} from '../core/json.js';
 import {log} from '../core/log.js';
+import {safePerformance} from '../core/safe-performance.js';
 
 /**
  * @augments EventDispatcher<import('cross-frame-api').CrossFrameAPIPortEvents>
diff --git a/ext/js/language/text-scanner.js b/ext/js/language/text-scanner.js
index ef1451f76..c99d7c063 100644
--- a/ext/js/language/text-scanner.js
+++ b/ext/js/language/text-scanner.js
@@ -16,13 +16,14 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-import { ThemeController } from '../app/theme-controller.js';
-import { EventDispatcher } from '../core/event-dispatcher.js';
-import { EventListenerCollection } from '../core/event-listener-collection.js';
-import { log } from '../core/log.js';
-import { clone } from '../core/utilities.js';
-import { anyNodeMatchesSelector, everyNodeMatchesSelector, getActiveModifiers, getActiveModifiersAndButtons, isPointInSelection } from '../dom/document-util.js';
-import { TextSourceElement } from '../dom/text-source-element.js';
+import {ThemeController} from '../app/theme-controller.js';
+import {EventDispatcher} from '../core/event-dispatcher.js';
+import {EventListenerCollection} from '../core/event-listener-collection.js';
+import {log} from '../core/log.js';
+import {safePerformance} from '../core/safe-performance.js';
+import {clone} from '../core/utilities.js';
+import {anyNodeMatchesSelector, everyNodeMatchesSelector, getActiveModifiers, getActiveModifiersAndButtons, isPointInSelection} from '../dom/document-util.js';
+import {TextSourceElement} from '../dom/text-source-element.js';
 
 const SCAN_RESOLUTION_EXCLUDED_LANGUAGES = new Set(['ja', 'zh', 'yue', 'ko']);