diff --git a/tests/auth_tests/test_management.py b/tests/auth_tests/test_management.py
index 7792a374f8..fa2fc93fd6 100644
--- a/tests/auth_tests/test_management.py
+++ b/tests/auth_tests/test_management.py
@@ -421,8 +421,6 @@ class CreatesuperuserManagementCommandTestCase(TestCase):
         call_command(
             command,
             stdin=sentinel,
-            stdout=StringIO(),
-            stderr=StringIO(),
             interactive=False,
             verbosity=0,
             username='janet',
@@ -433,8 +431,6 @@ class CreatesuperuserManagementCommandTestCase(TestCase):
         command = createsuperuser.Command()
         call_command(
             command,
-            stdout=StringIO(),
-            stderr=StringIO(),
             interactive=False,
             verbosity=0,
             username='joe',