diff --git a/core/modules/user/tests/src/Unit/UserAuthTest.php b/core/modules/user/tests/src/Unit/UserAuthTest.php
index 33c8bc8cb4..e114629817 100644
--- a/core/modules/user/tests/src/Unit/UserAuthTest.php
+++ b/core/modules/user/tests/src/Unit/UserAuthTest.php
@@ -285,10 +285,6 @@ public function testAddCheckToUrlForTrustedRedirectResponse(): void {
   /**
    * Tests the authenticate method when the user has no stored password.
    *
-   * In https://www.drupal.org/project/drupal/issues/3305807 it was discovered
-   * that attempting to login as a user that has no stored password will
-   * generate PHP notices due to calling substr on a NULL value.
-   *
    * @covers ::authenticate
    */
   public function testAuthenticateWithNullPassword(): void {