diff -u b/core/lib/Drupal/Core/Entity/ContentEntityStorageBase.php b/core/lib/Drupal/Core/Entity/ContentEntityStorageBase.php
--- b/core/lib/Drupal/Core/Entity/ContentEntityStorageBase.php
+++ b/core/lib/Drupal/Core/Entity/ContentEntityStorageBase.php
@@ -458,7 +458,7 @@
     // We need to call the delete method for field items of removed
     // translations.
     if ($method == 'postSave' && !empty($entity->original)) {
-      $original_langcodes = array_keys($entity->original->getTranslationLanguages(FALSE));
+      $original_langcodes = array_keys($entity->original->getTranslationLanguages());
       foreach (array_diff($original_langcodes, $langcodes) as $removed_langcode) {
         $translation = $entity->original->getTranslation($removed_langcode);
         $fields = $translation->getTranslatableFields();