diff --git a/test-requirements.txt b/test-requirements.txt
index 5c881e6..0db6d61 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -2,6 +2,5 @@
 flake8
 stestr
 charms.reactive
-mock>=1.2
 coverage>=3.6
 git+https://github.com/openstack/charms.openstack.git#egg=charms.openstack
diff --git a/unit_tests/test_provides.py b/unit_tests/test_provides.py
index 40f728a..d2c993e 100644
--- a/unit_tests/test_provides.py
+++ b/unit_tests/test_provides.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
 import provides
 
 import charms_openstack.test_utils as test_utils