diff --git a/core/modules/block/lib/Drupal/block/BlockBase.php b/core/modules/block/lib/Drupal/block/BlockBase.php
index d23613c..322b550 100644
--- a/core/modules/block/lib/Drupal/block/BlockBase.php
+++ b/core/modules/block/lib/Drupal/block/BlockBase.php
@@ -376,7 +376,7 @@ public function configureValidateWrapper($form, &$form_state) {
       }
     }
     $form_state['values']['visibility']['role']['roles'] = array_filter($form_state['values']['visibility']['role']['roles']);
-    $this->configureValidate($form, &$form_state);
+    $this->configureValidate($form, $form_state);
   }
 
   /**
@@ -415,7 +415,7 @@ public function configureSubmitWrapper($form, &$form_state) {
       }
       drupal_set_message(t('The block configuration has been saved.'));
       drupal_flush_all_caches();
-      $this->configureSubmit($form, &$form_state);
+      $this->configureSubmit($form, $form_state);
     }
   }