diff --git a/tempest/api/volume/admin/test_volume_quotas.py b/tempest/api/volume/admin/test_volume_quotas.py
index 42bfcd6..6f9daa8 100644
--- a/tempest/api/volume/admin/test_volume_quotas.py
+++ b/tempest/api/volume/admin/test_volume_quotas.py
@@ -38,7 +38,6 @@
     def setup_credentials(cls):
         super(BaseVolumeQuotasAdminTestJSON, cls).setup_credentials()
         cls.demo_tenant_id = cls.os_primary.credentials.tenant_id
-        cls.alt_client = cls.os_alt.volumes_client_latest
 
     @classmethod
     def setup_clients(cls):
@@ -150,7 +149,8 @@
             self.demo_tenant_id, params={'usage': True})['quota_set']
 
         alt_quota = self.admin_quotas_client.show_quota_set(
-            self.alt_client.tenant_id, params={'usage': True})['quota_set']
+            self.os_alt.volumes_client_latest.tenant_id,
+            params={'usage': True})['quota_set']
 
         # Creates a volume transfer
         transfer = self.transfer_client.create_volume_transfer(
@@ -164,14 +164,15 @@
 
         # Verify volume transferred is available
         waiters.wait_for_volume_resource_status(
-            self.alt_client, volume['id'], 'available')
+            self.os_alt.volumes_client_latest, volume['id'], 'available')
 
         # List of tenants quota usage post transfer
         new_primary_quota = self.admin_quotas_client.show_quota_set(
             self.demo_tenant_id, params={'usage': True})['quota_set']
 
         new_alt_quota = self.admin_quotas_client.show_quota_set(
-            self.alt_client.tenant_id, params={'usage': True})['quota_set']
+            self.os_alt.volumes_client_latest.tenant_id,
+            params={'usage': True})['quota_set']
 
         # Verify tenants quota usage was updated
         self.assertEqual(primary_quota['volumes']['in_use'] -
diff --git a/tempest/api/volume/admin/test_volume_type_access.py b/tempest/api/volume/admin/test_volume_type_access.py
index e93bcb5..b64face 100644
--- a/tempest/api/volume/admin/test_volume_type_access.py
+++ b/tempest/api/volume/admin/test_volume_type_access.py
@@ -27,11 +27,6 @@
 
     credentials = ['primary', 'alt', 'admin']
 
-    @classmethod
-    def setup_clients(cls):
-        super(VolumeTypesAccessTest, cls).setup_clients()
-        cls.alt_client = cls.os_alt.volumes_client_latest
-
     @decorators.idempotent_id('d4dd0027-835f-4554-a6e5-50903fb79184')
     def test_volume_type_access_add(self):
         # Creating a NON public volume type
@@ -70,10 +65,11 @@
 
         # Adding volume type access for alt tenant
         self.admin_volume_types_client.add_type_access(
-            volume_type['id'], project=self.alt_client.tenant_id)
+            volume_type['id'],
+            project=self.os_alt.volumes_client_latest.tenant_id)
         self.addCleanup(self.admin_volume_types_client.remove_type_access,
                         volume_type['id'],
-                        project=self.alt_client.tenant_id)
+                        project=self.os_alt.volumes_client_latest.tenant_id)
 
         # List tenant access for the given volume type
         type_access_list = self.admin_volume_types_client.list_type_access(
@@ -88,5 +84,5 @@
         # Validating the permitted tenants are the expected tenants
         self.assertIn(self.volumes_client.tenant_id,
                       map(operator.itemgetter('project_id'), type_access_list))
-        self.assertIn(self.alt_client.tenant_id,
+        self.assertIn(self.os_alt.volumes_client_latest.tenant_id,
                       map(operator.itemgetter('project_id'), type_access_list))
diff --git a/tempest/api/volume/test_volumes_extend.py b/tempest/api/volume/test_volumes_extend.py
index b73bdf2..54052ae 100644
--- a/tempest/api/volume/test_volumes_extend.py
+++ b/tempest/api/volume/test_volumes_extend.py
@@ -80,11 +80,6 @@
     # is implicit - Cinder calls Nova at that microversion, Tempest does not.
     min_microversion = '3.42'
 
-    @classmethod
-    def setup_clients(cls):
-        super(VolumesExtendAttachedTest, cls).setup_clients()
-        cls.admin_servers_client = cls.os_admin.servers_client
-
     def _find_extend_volume_instance_action(self, server_id):
         actions = self.servers_client.list_instance_actions(
             server_id)['instanceActions']
@@ -95,7 +90,7 @@
     def _find_extend_volume_instance_action_finish_event(self, action):
         # This has to be called by an admin client otherwise
         # the events don't show up.
-        action = self.admin_servers_client.show_instance_action(
+        action = self.os_admin.servers_client.show_instance_action(
             action['instance_uuid'], action['request_id'])['instanceAction']
         for event in action['events']:
             if (event['event'] == 'compute_extend_volume' and