diff -u b/core/modules/migrate_drupal/src/Plugin/MigrateCckFieldPluginManager.php b/core/modules/migrate_drupal/src/Plugin/MigrateCckFieldPluginManager.php
--- b/core/modules/migrate_drupal/src/Plugin/MigrateCckFieldPluginManager.php
+++ b/core/modules/migrate_drupal/src/Plugin/MigrateCckFieldPluginManager.php
@@ -9,8 +9,6 @@
 namespace Drupal\migrate_drupal\Plugin;
 
 use Drupal\migrate\Plugin\MigratePluginManager;
-//use Drupal\Core\Cache\CacheBackendInterface;
-//use Drupal\Core\Extension\ModuleHandlerInterface;
 use Drupal\migrate\Entity\MigrationInterface;
 
 /**