diff --git a/core/modules/content_translation/content_translation.services.yml b/core/modules/content_translation/content_translation.services.yml
index f7cc11f..cc4a8c9 100644
--- a/core/modules/content_translation/content_translation.services.yml
+++ b/core/modules/content_translation/content_translation.services.yml
@@ -28,5 +28,3 @@ services:
   content_translation.updates_manager:
     class: Drupal\content_translation\ContentTranslationUpdatesManager
     arguments: ['@entity.manager', '@entity.definition_update_manager']
-    tags:
-      - { name: event_subscriber }
diff --git a/core/modules/content_translation/src/ContentTranslationUpdatesManager.php b/core/modules/content_translation/src/ContentTranslationUpdatesManager.php
index 774a84c..5cc2ae6 100644
--- a/core/modules/content_translation/src/ContentTranslationUpdatesManager.php
+++ b/core/modules/content_translation/src/ContentTranslationUpdatesManager.php
@@ -3,18 +3,15 @@
 namespace Drupal\content_translation;
 
 use Drupal\Component\Utility\NestedArray;
-use Drupal\Core\Config\ConfigEvents;
 use Drupal\Core\Entity\EntityDefinitionUpdateManagerInterface;
 use Drupal\Core\Entity\EntityManagerInterface;
 use Drupal\Core\Entity\EntityTypeInterface;
-use Drupal\migrate\Event\MigrateEvents;
 use Drupal\migrate\Event\MigrateImportEvent;
-use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 
 /**
  * Provides the logic needed to update field storage definitions when needed.
  */
-class ContentTranslationUpdatesManager implements EventSubscriberInterface {
+class ContentTranslationUpdatesManager {
 
   /**
    * The entity manager.
@@ -90,10 +87,4 @@ public function onMigrateImport(MigrateImportEvent $event) {
     }
   }
 
-  /**
-   * {@inheritdoc}
-   */
-  public static function getSubscribedEvents() {
-  }
-
 }