diff --git a/keystoneclient/tests/unit/v2_0/test_client.py b/keystoneclient/tests/unit/v2_0/test_client.py
index 90b645052..fc9bf140e 100644
--- a/keystoneclient/tests/unit/v2_0/test_client.py
+++ b/keystoneclient/tests/unit/v2_0/test_client.py
@@ -218,4 +218,4 @@ class KeystoneClientTest(utils.TestCase):
         # authenticated
         sess = auth_session.Session()
         cl = client.Client(session=sess)
-        self.assertEqual(None, cl.service_catalog)
+        self.assertIsNone(cl.service_catalog)
diff --git a/keystoneclient/tests/unit/v3/test_client.py b/keystoneclient/tests/unit/v3/test_client.py
index 42004ff10..29a281831 100644
--- a/keystoneclient/tests/unit/v3/test_client.py
+++ b/keystoneclient/tests/unit/v3/test_client.py
@@ -268,4 +268,4 @@ class KeystoneClientTest(utils.TestCase):
         # authenticated
         sess = auth_session.Session()
         cl = client.Client(session=sess)
-        self.assertEqual(None, cl.service_catalog)
+        self.assertIsNone(cl.service_catalog)