diff --git a/core/modules/system/src/Tests/Entity/Update/LangcodeToAsciiUpdateTest.php b/core/modules/system/src/Tests/Entity/Update/LangcodeToAsciiUpdateTest.php
index e93c2cc..3a22357 100644
--- a/core/modules/system/src/Tests/Entity/Update/LangcodeToAsciiUpdateTest.php
+++ b/core/modules/system/src/Tests/Entity/Update/LangcodeToAsciiUpdateTest.php
@@ -57,8 +57,6 @@ public function testLangcodeColumnCollation() {
         $this->assertEqual('ascii_general_ci', $this->getColumnCollation($table, $column), 'Found correct updated collation for ' . $table . '.' . $column);
       }
     }
-
-    debug(\Drupal::service('entity.definition_update_manager')->getChangeSummary());
   }
 
   /**