diff --git a/core/modules/comment/lib/Drupal/comment/Tests/CommentValidationTest.php b/core/modules/comment/lib/Drupal/comment/Tests/CommentValidationTest.php
index 9475a85..2326f59 100644
--- a/core/modules/comment/lib/Drupal/comment/Tests/CommentValidationTest.php
+++ b/core/modules/comment/lib/Drupal/comment/Tests/CommentValidationTest.php
@@ -98,9 +98,6 @@ public function testValidation() {
 
     $comment->set('thread', $this->randomString(256));
     $this->assertLengthViolation($comment, 'thread', 255);
-
-    // @todo Add a test for the allowed values of CommentNewValue once
-    // https://drupal.org/node/1758622 is committed.
   }
 
   /**