diff --git a/test-requirements.txt b/test-requirements.txt
index 7d9c258..2422e28 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -9,7 +9,6 @@
 #
 charm-tools>=2.4.4
 requests>=2.18.4
-mock>=1.2
 flake8>=2.2.4,<=2.4.1
 stestr>=2.2.0
 coverage>=4.5.2
diff --git a/unit_tests/test_cinder_backup_hooks.py b/unit_tests/test_cinder_backup_hooks.py
index 3d46521..cdd0502 100644
--- a/unit_tests/test_cinder_backup_hooks.py
+++ b/unit_tests/test_cinder_backup_hooks.py
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import mock
+from unittest import mock
 
 with mock.patch('cinder_backup_utils.register_configs'):
     import cinder_backup_hooks as hooks
diff --git a/unit_tests/test_utils.py b/unit_tests/test_utils.py
index a5cf7f7..f0e0b6e 100644
--- a/unit_tests/test_utils.py
+++ b/unit_tests/test_utils.py
@@ -17,7 +17,7 @@ import unittest
 import os
 import yaml
 
-from mock import patch
+from unittest.mock import patch
 
 
 def load_config():