diff --git a/core/lib/Drupal/Core/Entity/FieldableEntityInterface.php b/core/lib/Drupal/Core/Entity/FieldableEntityInterface.php
index 6c296f1..abba33c 100644
--- a/core/lib/Drupal/Core/Entity/FieldableEntityInterface.php
+++ b/core/lib/Drupal/Core/Entity/FieldableEntityInterface.php
@@ -27,7 +27,7 @@
  *
  * @ingroup entity_api
  */
-interface FieldableEntityInterface extends EntityInterface, ComplexDataInterface {
+interface FieldableEntityInterface extends EntityInterface {
 
   /**
    * Provides base field definitions for an entity type.