diff --git a/designate/tests/test_agent/test_backends/test_gdnsd.py b/designate/tests/test_agent/test_backends/test_gdnsd.py
index 2585d4165..1d21bb834 100644
--- a/designate/tests/test_agent/test_backends/test_gdnsd.py
+++ b/designate/tests/test_agent/test_backends/test_gdnsd.py
@@ -62,10 +62,8 @@ class GdnsdAgentBackendTestCase(TestCase):
         self.zones_dir_path = os.path.join(self.conf_dir_path, 'zones')
         os.mkdir(self.zones_dir_path)
         self.CONF = self.useFixture(cfg_fixture.Config(cfg.CONF)).conf
-        cfg.CONF.set_override('confdir_path', self.conf_dir_path,
-                              CFG_GROUP, enforce_type=True)
-        cfg.CONF.set_override('gdnsd_cmd_name', GDNSD_BIN_PATH,
-                              CFG_GROUP, enforce_type=True)
+        cfg.CONF.set_override('confdir_path', self.conf_dir_path, CFG_GROUP)
+        cfg.CONF.set_override('gdnsd_cmd_name', GDNSD_BIN_PATH, CFG_GROUP)
 
         self.backend = GdnsdBackend('foo')
 
diff --git a/designate/tests/unit/test_central/test_basic.py b/designate/tests/unit/test_central/test_basic.py
index dc04b4965..2d227b4df 100644
--- a/designate/tests/unit/test_central/test_basic.py
+++ b/designate/tests/unit/test_central/test_basic.py
@@ -314,8 +314,7 @@ class CentralServiceTestCase(CentralBasic):
         self.assertTrue(designate.central.service.quota.get_quota.called)
 
     def test__is_valid_ttl(self):
-        self.CONF.set_override('min_ttl', 10, 'service:central',
-                               enforce_type=True)
+        self.CONF.set_override('min_ttl', 10, 'service:central')
         self.service._is_valid_ttl(self.context, 20)
 
         # policy.check() not to raise: the user is allowed to create low TTLs
diff --git a/designate/tests/unit/test_scheduler/test_basic.py b/designate/tests/unit/test_scheduler/test_basic.py
index e8f06e2de..443a87850 100644
--- a/designate/tests/unit/test_scheduler/test_basic.py
+++ b/designate/tests/unit/test_scheduler/test_basic.py
@@ -98,8 +98,7 @@ class SchedulerTest(test.BaseTestCase):
         cfg.CONF.set_override(
             'scheduler_filters',
             ['random'],
-            'service:central',
-            enforce_type=True)
+            'service:central')
 
         test_scheduler = scheduler.get_scheduler(storage=mock_storage)
 
@@ -109,7 +108,7 @@ class SchedulerTest(test.BaseTestCase):
     def test_no_filters_enabled(self):
 
         cfg.CONF.set_override(
-            'scheduler_filters', [], 'service:central', enforce_type=True)
+            'scheduler_filters', [], 'service:central')
 
         attrs = {
             'find_pools.return_value': objects.PoolList()