diff --git a/tests/Feature/PassportTestCase.php b/tests/Feature/PassportTestCase.php
index d919eb5d1..74f1a0bb7 100644
--- a/tests/Feature/PassportTestCase.php
+++ b/tests/Feature/PassportTestCase.php
@@ -58,6 +58,5 @@ protected function getPackageProviders($app)
      */
     protected function getUserClass()
     {
-        return null;
     }
 }