diff --git a/unit_tests/__init__.py b/unit_tests/__init__.py
index ad8caed..3a5e9a3 100644
--- a/unit_tests/__init__.py
+++ b/unit_tests/__init__.py
@@ -13,33 +13,10 @@
 # limitations under the License.
 
 import sys
-import mock
 
 sys.path.append('src')
 sys.path.append('src/lib')
 
 # Mock out charmhelpers so that we can test without it.
-# also stops sideeffects from occuring.
-charmhelpers = mock.MagicMock()
-apt_pkg = mock.MagicMock()
-sys.modules['apt_pkg'] = apt_pkg
-sys.modules['charmhelpers'] = charmhelpers
-sys.modules['charmhelpers.core'] = charmhelpers.core
-sys.modules['charmhelpers.core.hookenv'] = charmhelpers.core.hookenv
-sys.modules['charmhelpers.core.host'] = charmhelpers.core.host
-sys.modules['charmhelpers.core.unitdata'] = charmhelpers.core.unitdata
-sys.modules['charmhelpers.core.templating'] = charmhelpers.core.templating
-sys.modules['charmhelpers.contrib'] = charmhelpers.contrib
-sys.modules['charmhelpers.contrib.openstack'] = charmhelpers.contrib.openstack
-sys.modules['charmhelpers.contrib.openstack.utils'] = (
-    charmhelpers.contrib.openstack.utils)
-sys.modules['charmhelpers.contrib.openstack.templating'] = (
-    charmhelpers.contrib.openstack.templating)
-sys.modules['charmhelpers.contrib.network'] = charmhelpers.contrib.network
-sys.modules['charmhelpers.contrib.network.ip'] = (
-    charmhelpers.contrib.network.ip)
-sys.modules['charmhelpers.fetch'] = charmhelpers.fetch
-sys.modules['charmhelpers.cli'] = charmhelpers.cli
-sys.modules['charmhelpers.contrib.hahelpers'] = charmhelpers.contrib.hahelpers
-sys.modules['charmhelpers.contrib.hahelpers.cluster'] = (
-    charmhelpers.contrib.hahelpers.cluster)
+import charms_openstack.test_mocks  # noqa
+charms_openstack.test_mocks.mock_charmhelpers()