diff --git a/tempest/api/volume/admin/test_qos.py b/tempest/api/volume/admin/test_qos.py
index f1101e1..98139e7 100755
--- a/tempest/api/volume/admin/test_qos.py
+++ b/tempest/api/volume/admin/test_qos.py
@@ -119,8 +119,7 @@
         self.admin_volume_qos_client.unset_qos_key(self.created_qos['id'],
                                                    keys)
         operation = 'qos-key-unset'
-        self.admin_volume_qos_client.wait_for_qos_operations(
-            self.created_qos['id'], operation, keys)
+        self.wait_for_qos_operations(self.created_qos['id'], operation, keys)
         body = self.admin_volume_qos_client.show_qos(
             self.created_qos['id'])['qos_specs']
         self.assertNotIn(keys[0], body['specs'])
@@ -154,8 +153,8 @@
         self.admin_volume_qos_client.disassociate_qos(
             self.created_qos['id'], vol_type[0]['id'])
         operation = 'disassociate'
-        self.admin_volume_qos_client.wait_for_qos_operations(
-            self.created_qos['id'], operation, vol_type[0]['id'])
+        self.wait_for_qos_operations(self.created_qos['id'],
+                                     operation, vol_type[0]['id'])
         associations = self._test_get_association_qos()
         self.assertNotIn(vol_type[0]['id'], associations)
 
@@ -163,8 +162,7 @@
         self.admin_volume_qos_client.disassociate_all_qos(
             self.created_qos['id'])
         operation = 'disassociate-all'
-        self.admin_volume_qos_client.wait_for_qos_operations(
-            self.created_qos['id'], operation)
+        self.wait_for_qos_operations(self.created_qos['id'], operation)
         associations = self._test_get_association_qos()
         self.assertEmpty(associations)
 
diff --git a/tempest/api/volume/base.py b/tempest/api/volume/base.py
index 5a3c71c..4f37c82 100644
--- a/tempest/api/volume/base.py
+++ b/tempest/api/volume/base.py
@@ -13,12 +13,15 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import time
+
 from tempest.common import compute
 from tempest.common.utils import data_utils
 from tempest.common import waiters
 from tempest import config
 from tempest import exceptions
 from tempest.lib.common.utils import test_utils
+from tempest.lib import exceptions as lib_exc
 import tempest.test
 
 CONF = config.CONF
@@ -268,3 +271,35 @@
             test_utils.call_and_ignore_notfound_exc(
                 cls.admin_volume_types_client.wait_for_resource_deletion,
                 resource)
+
+    def wait_for_qos_operations(self, qos_id, operation, args=None):
+        """Waits for a qos operations to be completed.
+
+        NOTE : operation value is required for  wait_for_qos_operations()
+        operation = 'qos-key' / 'disassociate' / 'disassociate-all'
+        args = keys[] when operation = 'qos-key'
+        args = volume-type-id disassociated when operation = 'disassociate'
+        args = None when operation = 'disassociate-all'
+        """
+        start_time = int(time.time())
+        client = self.admin_volume_qos_client
+        while True:
+            if operation == 'qos-key-unset':
+                body = client.show_qos(qos_id)['qos_specs']
+                if not any(key in body['specs'] for key in args):
+                    return
+            elif operation == 'disassociate':
+                body = client.show_association_qos(qos_id)['qos_associations']
+                if not any(args in body[i]['id'] for i in range(0, len(body))):
+                    return
+            elif operation == 'disassociate-all':
+                body = client.show_association_qos(qos_id)['qos_associations']
+                if not body:
+                    return
+            else:
+                msg = (" operation value is either not defined or incorrect.")
+                raise lib_exc.UnprocessableEntity(msg)
+
+            if int(time.time()) - start_time >= self.build_timeout:
+                raise exceptions.TimeoutException
+            time.sleep(self.build_interval)
diff --git a/tempest/services/volume/base/base_qos_client.py b/tempest/services/volume/base/base_qos_client.py
index e00ac68..0ce76a7 100644
--- a/tempest/services/volume/base/base_qos_client.py
+++ b/tempest/services/volume/base/base_qos_client.py
@@ -12,11 +12,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import time
-
 from oslo_serialization import jsonutils as json
 
-from tempest import exceptions
 from tempest.lib.common import rest_client
 from tempest.lib import exceptions as lib_exc
 
@@ -36,37 +33,6 @@
         """Returns the primary type of resource this client works with."""
         return 'qos'
 
-    def wait_for_qos_operations(self, qos_id, operation, args=None):
-        """Waits for a qos operations to be completed.
-
-        NOTE : operation value is required for  wait_for_qos_operations()
-        operation = 'qos-key' / 'disassociate' / 'disassociate-all'
-        args = keys[] when operation = 'qos-key'
-        args = volume-type-id disassociated when operation = 'disassociate'
-        args = None when operation = 'disassociate-all'
-        """
-        start_time = int(time.time())
-        while True:
-            if operation == 'qos-key-unset':
-                body = self.show_qos(qos_id)['qos_specs']
-                if not any(key in body['specs'] for key in args):
-                    return
-            elif operation == 'disassociate':
-                body = self.show_association_qos(qos_id)['qos_associations']
-                if not any(args in body[i]['id'] for i in range(0, len(body))):
-                    return
-            elif operation == 'disassociate-all':
-                body = self.show_association_qos(qos_id)['qos_associations']
-                if not body:
-                    return
-            else:
-                msg = (" operation value is either not defined or incorrect.")
-                raise lib_exc.UnprocessableEntity(msg)
-
-            if int(time.time()) - start_time >= self.build_timeout:
-                raise exceptions.TimeoutException
-            time.sleep(self.build_interval)
-
     def create_qos(self, **kwargs):
         """Create a QoS Specification.