diff --git a/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php b/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php
index b987b90..a7ffbf1 100644
--- a/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php
+++ b/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php
@@ -1627,7 +1627,6 @@ protected function getDedicatedTableSchema(FieldStorageDefinitionInterface $stor
       'indexes' => array(
         'bundle' => array('bundle'),
         'deleted' => array('deleted'),
-        'entity_id' => array('entity_id'),
         'revision_id' => array('revision_id'),
         'langcode' => array('langcode'),
       ),