diff --git a/core/modules/views/tests/src/Functional/Plugin/ArgumentDefaultTest.php b/core/modules/views/tests/src/Functional/Plugin/ArgumentDefaultTest.php
index 35da559fc1d3ad3bde203cc97443d3aafef89520..ff6998d82d08c58523805d982ae8ddb466291800 100644
--- a/core/modules/views/tests/src/Functional/Plugin/ArgumentDefaultTest.php
+++ b/core/modules/views/tests/src/Functional/Plugin/ArgumentDefaultTest.php
@@ -136,11 +136,6 @@ public function testArgumentDefaultFixed(): void {
     $this->assertEquals($random_string, $view->args[0], 'Provided argument should be used.');
   }
 
-  /**
-   * @todo Test php default argument.
-   */
-  // function testArgumentDefaultPhp() {}
-
   /**
    * Tests node default argument.
    */