diff --git a/ironic_staging_drivers/tests/unit/amt/test_common.py b/ironic_staging_drivers/tests/unit/amt/test_common.py
index 8cd03c0..f420aef 100644
--- a/ironic_staging_drivers/tests/unit/amt/test_common.py
+++ b/ironic_staging_drivers/tests/unit/amt/test_common.py
@@ -212,5 +212,4 @@ class AwakeAMTInterfaceTestCase(db_base.DbTestCase):
 
     def test_out_range_protocol(self):
         self.assertRaises(ValueError, cfg.CONF.set_override,
-                          'protocol', 'fake', 'amt_driver',
-                          enforce_type=True)
+                          'protocol', 'fake', 'amt_driver')