diff --git a/core/modules/config/lib/Drupal/config/Tests/DefaultConfigTest.php b/core/modules/config/lib/Drupal/config/Tests/DefaultConfigTest.php
index b7424f3..cda87d8 100644
--- a/core/modules/config/lib/Drupal/config/Tests/DefaultConfigTest.php
+++ b/core/modules/config/lib/Drupal/config/Tests/DefaultConfigTest.php
@@ -148,10 +148,6 @@ protected function checkValue($key, $value) {
             $success = TRUE;
           }
         }
-        else {
-          // @todo throw an exception due to an incomplete schema. Only possible
-          //   once https://drupal.org/node/1910624 is complete.
-        }
         $class = get_class($element);
         if (!$success) {
           $this->fail("{$this->configName}:$key has the wrong schema. Variable type is $type and schema class is $class.");