diff --git a/core/lib/Drupal/Core/Entity/ContentEntityBase.php b/core/lib/Drupal/Core/Entity/ContentEntityBase.php
index c5421ed..afddb22 100644
--- a/core/lib/Drupal/Core/Entity/ContentEntityBase.php
+++ b/core/lib/Drupal/Core/Entity/ContentEntityBase.php
@@ -322,7 +322,7 @@ public function isDefaultRevision($new_value = NULL) {
    * {@inheritdoc}
    */
   public function isRevisionTranslationAffected() {
-    $field_name = $this->getEntityType()->getKey('revision_translation_affected');
+    $field_name = 'revision_translation_affected';
     return $this->hasField($field_name) ? $this->get($field_name)->value : TRUE;
   }
 
@@ -330,7 +330,7 @@ public function isRevisionTranslationAffected() {
    * {@inheritdoc}
    */
   public function setRevisionTranslationAffected($affected) {
-    $field_name = $this->getEntityType()->getKey('revision_translation_affected');
+    $field_name = 'revision_translation_affected';
     if ($this->hasField($field_name)) {
       $this->set($field_name, $affected);
     }
diff --git a/core/lib/Drupal/Core/Entity/EntityFieldManager.php b/core/lib/Drupal/Core/Entity/EntityFieldManager.php
index 332a709..8582294 100644
--- a/core/lib/Drupal/Core/Entity/EntityFieldManager.php
+++ b/core/lib/Drupal/Core/Entity/EntityFieldManager.php
@@ -223,8 +223,8 @@ protected function buildBaseFieldDefinitions($entity_type_id) {
     // Make sure that revisionable entity types are correctly defined.
     if ($entity_type->isRevisionable() && $entity_type->isTranslatable()) {
       // The 'revision_translation_affected' field should always be defined.
-      if (!isset($base_field_definitions[$keys['revision_translation_affected']])) {
-        $base_field_definitions[$keys['revision_translation_affected']] = BaseFieldDefinition::create('boolean')
+      if (!isset($base_field_definitions['revision_translation_affected'])) {
+        $base_field_definitions['revision_translation_affected'] = BaseFieldDefinition::create('boolean')
           ->setLabel($this->t('Revision translation affected'))
           ->setDescription($this->t('Indicates if the last edit of a translation belongs to current revision.'))
           ->setReadOnly(TRUE)
diff --git a/core/lib/Drupal/Core/Entity/EntityType.php b/core/lib/Drupal/Core/Entity/EntityType.php
index 5f6589a..b39fb3f 100644
--- a/core/lib/Drupal/Core/Entity/EntityType.php
+++ b/core/lib/Drupal/Core/Entity/EntityType.php
@@ -302,7 +302,6 @@ public function __construct($definition) {
       'bundle' => '',
       'langcode' => '',
       'default_langcode' => 'default_langcode',
-      'revision_translation_affected' => 'revision_translation_affected',
     ];
     $this->handlers += [
       'access' => 'Drupal\Core\Entity\EntityAccessControlHandler',
diff --git a/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchemaConverter.php b/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchemaConverter.php
index ea0f57c..92586b9 100644
--- a/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchemaConverter.php
+++ b/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchemaConverter.php
@@ -375,7 +375,7 @@ protected function updateFieldStorageDefinitionsToRevisionable(ContentEntityType
     // Add the 'revision_translation_affected' field if needed.
     if ($entity_type->isTranslatable()) {
       $revision_translation_affected_field = BaseFieldDefinition::create('boolean')
-        ->setName($entity_type->getKey('revision_translation_affected'))
+        ->setName('revision_translation_affected')
         ->setTargetEntityTypeId($entity_type->id())
         ->setTargetBundle(NULL)
         ->setLabel(new TranslatableMarkup('Revision translation affected'))
@@ -386,7 +386,7 @@ protected function updateFieldStorageDefinitionsToRevisionable(ContentEntityType
 
       if ($update_cached_definitions) {
         $this->entityDefinitionUpdateManager->installFieldStorageDefinition($revision_translation_affected_field->getName(), $entity_type->id(), $entity_type->getProvider(), $revision_translation_affected_field);
-        $updated_storage_definitions[$entity_type->getKey('revision_translation_affected')] = $revision_translation_affected_field;
+        $updated_storage_definitions['revision_translation_affected'] = $revision_translation_affected_field;
       }
     }
 
diff --git a/core/modules/system/system.install b/core/modules/system/system.install
index c387be0..96ede5d 100644
--- a/core/modules/system/system.install
+++ b/core/modules/system/system.install
@@ -2002,9 +2002,8 @@ function system_update_8402() {
   });
 
   foreach ($definitions as $entity_type_id => $entity_type) {
-    $field_name = $entity_type->getKey('revision_translation_affected');
     // Install the 'revision_translation_affected' field if needed.
-    if (!$definition_update_manager->getFieldStorageDefinition($field_name, $entity_type_id)) {
+    if (!$definition_update_manager->getFieldStorageDefinition('revision_translation_affected', $entity_type_id)) {
       $storage_definition = BaseFieldDefinition::create('boolean')
         ->setLabel(t('Revision translation affected'))
         ->setDescription(t('Indicates if the last edit of a translation belongs to current revision.'))
@@ -2013,7 +2012,7 @@ function system_update_8402() {
         ->setTranslatable(TRUE);
 
       $definition_update_manager
-        ->installFieldStorageDefinition($field_name, $entity_type_id, $entity_type_id, $storage_definition);
+        ->installFieldStorageDefinition('revision_translation_affected', $entity_type_id, $entity_type_id, $storage_definition);
     }
   }
 }