diff --git a/test-requirements.txt b/test-requirements.txt
index c706224..9c89fc9 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -2,5 +2,4 @@
 flake8
 os-testr>=0.4.1
 charms.reactive
-mock>=1.2
 coverage>=3.6
diff --git a/unit_tests/test_requires.py b/unit_tests/test_requires.py
index 9e613ed..7df84fe 100644
--- a/unit_tests/test_requires.py
+++ b/unit_tests/test_requires.py
@@ -12,7 +12,7 @@
 
 
 import unittest
-import mock
+from unittest import mock
 
 
 with mock.patch('charmhelpers.core.hookenv.metadata') as _meta: