diff --git a/cinder_tempest_plugin/services/consistencygroups_client.py b/cinder_tempest_plugin/services/consistencygroups_client.py
index a29a90a..cea99ed 100644
--- a/cinder_tempest_plugin/services/consistencygroups_client.py
+++ b/cinder_tempest_plugin/services/consistencygroups_client.py
@@ -14,10 +14,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import http.client as http_client
 import time
 
 from oslo_serialization import jsonutils as json
-from six.moves import http_client
 from tempest.lib.common import rest_client
 from tempest.lib import exceptions as lib_exc
 
diff --git a/requirements.txt b/requirements.txt
index 6706885..56d2ec6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,6 +4,5 @@
 
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 oslo.config>=5.1.0 # Apache-2.0
-six>=1.10.0 # MIT
 oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
 tempest>=17.1.0 # Apache-2.0