diff --git a/cloudkittyclient/tests/unit/v1/test_hashmap.py b/cloudkittyclient/tests/unit/v1/test_hashmap.py
index eed33cb..e5e509f 100644
--- a/cloudkittyclient/tests/unit/v1/test_hashmap.py
+++ b/cloudkittyclient/tests/unit/v1/test_hashmap.py
@@ -13,7 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 #
-import mock
+from unittest import mock
 
 from cloudkittyclient import exc
 from cloudkittyclient.tests.unit.v1 import base
diff --git a/cloudkittyclient/tests/unit/v1/test_report_cli.py b/cloudkittyclient/tests/unit/v1/test_report_cli.py
index 5dfeb2a..a4d464b 100644
--- a/cloudkittyclient/tests/unit/v1/test_report_cli.py
+++ b/cloudkittyclient/tests/unit/v1/test_report_cli.py
@@ -13,7 +13,7 @@
 #    under the License.
 #
 import collections
-import mock
+from unittest import mock
 
 from cloudkittyclient.tests.unit.v1 import base
 from cloudkittyclient.v1 import report_cli
diff --git a/cloudkittyclient/tests/utils.py b/cloudkittyclient/tests/utils.py
index 90fe223..f2c1725 100644
--- a/cloudkittyclient/tests/utils.py
+++ b/cloudkittyclient/tests/utils.py
@@ -12,12 +12,13 @@
 #    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 unittest import mock
+
 import fixtures
 import testtools
 
 from keystoneauth1 import adapter
 from keystoneauth1 import session
-import mock
 
 
 class BaseTestCase(testtools.TestCase):
diff --git a/test-requirements.txt b/test-requirements.txt
index ad71606..dbe0a9e 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -8,5 +8,4 @@ coverage>=4.0,!=4.4 # Apache-2.0
 python-subunit>=0.0.18 # Apache-2.0/BSD
 oslotest>=1.10.0 # Apache-2.0
 stestr>=2.0 # Apache-2.0
-mock>=2.0 # BSD
 python-openstackclient>=3.14 # Apache-2.0