diff --git a/unit_tests/test_ops_openstack.py b/unit_tests/test_ops_openstack.py
index 8dca06d..ae76b7b 100644
--- a/unit_tests/test_ops_openstack.py
+++ b/unit_tests/test_ops_openstack.py
@@ -18,14 +18,13 @@ import unittest
 
 from mock import patch, MagicMock
 
-from ops.testing import Harness, _TestingModelBackend
+from ops.testing import Harness
 from ops.model import (
     ActiveStatus,
     BlockedStatus,
     MaintenanceStatus,
     WaitingStatus,
 )
-from ops import framework, model
 
 import ops_openstack
 
@@ -95,24 +94,24 @@ class TestOSBaseCharm(CharmTestCase):
                 resume:
                     description: resume action
             ''')
-        # BEGIN: Workaround until
-        # https://github.com/canonical/operator/pull/196 lands
-        class _TestingOPSModelBackend(_TestingModelBackend):
-
-            def relation_ids(self, relation_name):
-                return self._relation_ids_map.get(relation_name, [])
-        self.harness._backend = _TestingOPSModelBackend(
-            self.harness._unit_name)
-        self.harness._model = model.Model(
-            self.harness._unit_name,
-            self.harness._meta,
-            self.harness._backend)
-        self.harness._framework = framework.Framework(
-            ":memory:",
-            self.harness._charm_dir,
-            self.harness._meta,
-            self.harness._model)
-        # END Workaround
+#        # BEGIN: Workaround until
+#        # https://github.com/canonical/operator/pull/196 lands
+#        class _TestingOPSModelBackend(_TestingModelBackend):
+#
+#            def relation_ids(self, relation_name):
+#                return self._relation_ids_map.get(relation_name, [])
+#        self.harness._backend = _TestingOPSModelBackend(
+#            self.harness._unit_name)
+#        self.harness._model = model.Model(
+#            self.harness._unit_name,
+#            self.harness._meta,
+#            self.harness._backend)
+#        self.harness._framework = framework.Framework(
+#            ":memory:",
+#            self.harness._charm_dir,
+#            self.harness._meta,
+#            self.harness._model)
+#        # END Workaround
 
     def test_init(self):
         self.harness.begin()