diff --git a/core/lib/Drupal/Core/Entity/ContentEntityBase.php b/core/lib/Drupal/Core/Entity/ContentEntityBase.php
index 619c17e..b537120 100644
--- a/core/lib/Drupal/Core/Entity/ContentEntityBase.php
+++ b/core/lib/Drupal/Core/Entity/ContentEntityBase.php
@@ -343,6 +343,7 @@ function __sleep() {
     }
     $this->fields = array();
     $this->fieldDefinitions = NULL;
+    $this->clearTranslationCache();
     return array_keys(get_object_vars($this));
   }
 
@@ -352,10 +353,6 @@ function __sleep() {
    */
   public function __wakeup() {
     $this->init();
-    // @todo This should be done before serializing the entity, but we would
-    //   need to provide the full list of data to be serialized. See the
-    //   dedicated issue at https://drupal.org/node/2027795.
-    $this->clearTranslationCache();
   }
 
   /**