diff --git a/tempest/api/compute/base.py b/tempest/api/compute/base.py
index 096941f..173ee83 100644
--- a/tempest/api/compute/base.py
+++ b/tempest/api/compute/base.py
@@ -75,7 +75,6 @@
             cls.os.compute_security_group_rules_client)
         cls.security_groups_client = cls.os.compute_security_groups_client
         cls.quotas_client = cls.os.quotas_client
-        cls.quota_classes_client = cls.os.quota_classes_client
         cls.compute_networks_client = cls.os.compute_networks_client
         cls.limits_client = cls.os.limits_client
         cls.volumes_extensions_client = cls.os.volumes_extensions_client
diff --git a/tempest/api/identity/admin/v3/test_endpoints.py b/tempest/api/identity/admin/v3/test_endpoints.py
index 50cf258..655e4ef 100644
--- a/tempest/api/identity/admin/v3/test_endpoints.py
+++ b/tempest/api/identity/admin/v3/test_endpoints.py
@@ -23,7 +23,6 @@
     @classmethod
     def setup_clients(cls):
         super(EndPointsTestJSON, cls).setup_clients()
-        cls.identity_client = cls.client
         cls.client = cls.endpoints_client
 
     @classmethod
diff --git a/tempest/api/identity/admin/v3/test_endpoints_negative.py b/tempest/api/identity/admin/v3/test_endpoints_negative.py
index b16605e..f0f8707 100644
--- a/tempest/api/identity/admin/v3/test_endpoints_negative.py
+++ b/tempest/api/identity/admin/v3/test_endpoints_negative.py
@@ -25,7 +25,6 @@
     @classmethod
     def setup_clients(cls):
         super(EndpointsNegativeTestJSON, cls).setup_clients()
-        cls.identity_client = cls.client
         cls.client = cls.endpoints_client
 
     @classmethod