diff --git a/samples/deployments/existing-keystone-v3.json b/samples/deployments/existing-keystone-v3.json
index 27361e0f..5c6ba04d 100644
--- a/samples/deployments/existing-keystone-v3.json
+++ b/samples/deployments/existing-keystone-v3.json
@@ -7,7 +7,6 @@
         "username": "admin",
         "password": "myadminpass",
         "user_domain_name": "admin",
-        "admin_domain_name": "default",
         "project_name": "admin",
         "project_domain_name": "admin"
     },
diff --git a/tests/unit/plugins/openstack/context/keystone/test_users.py b/tests/unit/plugins/openstack/context/keystone/test_users.py
index bd480dab..241d93fe 100644
--- a/tests/unit/plugins/openstack/context/keystone/test_users.py
+++ b/tests/unit/plugins/openstack/context/keystone/test_users.py
@@ -416,7 +416,6 @@ class UserGeneratorTestCase(test.ScenarioTestCase):
                 excluded_keys = ["auth_url", "username", "password",
                                  "tenant_name", "region_name",
                                  "project_domain_name",
-                                 "admin_domain_name",
                                  "user_domain_name"]
                 for key in (set(credential_dict.keys()) - set(excluded_keys)):
                     self.assertEqual(credential_dict[key],