diff --git a/tempest/services/volume/base/admin/base_quotas_client.py b/tempest/services/volume/base/admin/base_quotas_client.py
deleted file mode 100644
index 2c1f50d..0000000
--- a/tempest/services/volume/base/admin/base_quotas_client.py
+++ /dev/null
@@ -1,61 +0,0 @@
-# Copyright (C) 2014 eNovance SAS <licensing@enovance.com>
-#
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-
-from oslo_serialization import jsonutils
-from six.moves.urllib import parse as urllib
-
-from tempest.lib.common import rest_client
-
-
-class BaseQuotasClient(rest_client.RestClient):
-    """Client class to send CRUD Volume Quotas API requests"""
-
-    def show_default_quota_set(self, tenant_id):
-        """List the default volume quota set for a tenant."""
-
-        url = 'os-quota-sets/%s/defaults' % tenant_id
-        resp, body = self.get(url)
-        self.expected_success(200, resp.status)
-        body = jsonutils.loads(body)
-        return rest_client.ResponseBody(resp, body)
-
-    def show_quota_set(self, tenant_id, params=None):
-        """List the quota set for a tenant."""
-
-        url = 'os-quota-sets/%s' % tenant_id
-        if params:
-            url += '?%s' % urllib.urlencode(params)
-
-        resp, body = self.get(url)
-        self.expected_success(200, resp.status)
-        body = jsonutils.loads(body)
-        return rest_client.ResponseBody(resp, body)
-
-    def update_quota_set(self, tenant_id, **kwargs):
-        """Updates quota set
-
-        Available params: see http://developer.openstack.org/
-                              api-ref-blockstorage-v2.html#updateQuotas-v2
-        """
-        put_body = jsonutils.dumps({'quota_set': kwargs})
-        resp, body = self.put('os-quota-sets/%s' % tenant_id, put_body)
-        self.expected_success(200, resp.status)
-        body = jsonutils.loads(body)
-        return rest_client.ResponseBody(resp, body)
-
-    def delete_quota_set(self, tenant_id):
-        """Delete the tenant's quota set."""
-        resp, body = self.delete('os-quota-sets/%s' % tenant_id)
-        self.expected_success(200, resp.status)
-        return rest_client.ResponseBody(resp, body)
diff --git a/tempest/services/volume/v1/json/admin/quotas_client.py b/tempest/services/volume/v1/json/admin/quotas_client.py
index 27fc301..8924b42 100644
--- a/tempest/services/volume/v1/json/admin/quotas_client.py
+++ b/tempest/services/volume/v1/json/admin/quotas_client.py
@@ -12,8 +12,50 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest.services.volume.base.admin import base_quotas_client
+from oslo_serialization import jsonutils
+from six.moves.urllib import parse as urllib
+
+from tempest.lib.common import rest_client
 
 
-class QuotasClient(base_quotas_client.BaseQuotasClient):
-    """Client class to send CRUD Volume Type API V1 requests"""
+class QuotasClient(rest_client.RestClient):
+    """Client class to send CRUD Volume Quotas API V1 requests"""
+
+    def show_default_quota_set(self, tenant_id):
+        """List the default volume quota set for a tenant."""
+
+        url = 'os-quota-sets/%s/defaults' % tenant_id
+        resp, body = self.get(url)
+        self.expected_success(200, resp.status)
+        body = jsonutils.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def show_quota_set(self, tenant_id, params=None):
+        """List the quota set for a tenant."""
+
+        url = 'os-quota-sets/%s' % tenant_id
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+
+        resp, body = self.get(url)
+        self.expected_success(200, resp.status)
+        body = jsonutils.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def update_quota_set(self, tenant_id, **kwargs):
+        """Updates quota set
+
+        Available params: see http://developer.openstack.org/
+                              api-ref-blockstorage-v1.html#updateQuota
+        """
+        put_body = jsonutils.dumps({'quota_set': kwargs})
+        resp, body = self.put('os-quota-sets/%s' % tenant_id, put_body)
+        self.expected_success(200, resp.status)
+        body = jsonutils.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def delete_quota_set(self, tenant_id):
+        """Delete the tenant's quota set."""
+        resp, body = self.delete('os-quota-sets/%s' % tenant_id)
+        self.expected_success(200, resp.status)
+        return rest_client.ResponseBody(resp, body)
diff --git a/tempest/services/volume/v2/json/admin/quotas_client.py b/tempest/services/volume/v2/json/admin/quotas_client.py
index 11e0e22..a302045 100644
--- a/tempest/services/volume/v2/json/admin/quotas_client.py
+++ b/tempest/services/volume/v2/json/admin/quotas_client.py
@@ -13,9 +13,51 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest.services.volume.base.admin import base_quotas_client
+from oslo_serialization import jsonutils
+from six.moves.urllib import parse as urllib
+
+from tempest.lib.common import rest_client
 
 
-class QuotasClient(base_quotas_client.BaseQuotasClient):
-    """Client class to send CRUD Volume V2 API requests"""
+class QuotasClient(rest_client.RestClient):
+    """Client class to send CRUD Volume Quotas API V2 requests"""
     api_version = "v2"
+
+    def show_default_quota_set(self, tenant_id):
+        """List the default volume quota set for a tenant."""
+
+        url = 'os-quota-sets/%s/defaults' % tenant_id
+        resp, body = self.get(url)
+        self.expected_success(200, resp.status)
+        body = jsonutils.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def show_quota_set(self, tenant_id, params=None):
+        """List the quota set for a tenant."""
+
+        url = 'os-quota-sets/%s' % tenant_id
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+
+        resp, body = self.get(url)
+        self.expected_success(200, resp.status)
+        body = jsonutils.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def update_quota_set(self, tenant_id, **kwargs):
+        """Updates quota set
+
+        Available params: see http://developer.openstack.org/
+                              api-ref-blockstorage-v2.html#updateQuotas-v2
+        """
+        put_body = jsonutils.dumps({'quota_set': kwargs})
+        resp, body = self.put('os-quota-sets/%s' % tenant_id, put_body)
+        self.expected_success(200, resp.status)
+        body = jsonutils.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def delete_quota_set(self, tenant_id):
+        """Delete the tenant's quota set."""
+        resp, body = self.delete('os-quota-sets/%s' % tenant_id)
+        self.expected_success(200, resp.status)
+        return rest_client.ResponseBody(resp, body)