diff --git a/gridappsd-field-bus-lib/gridappsd_field_bus/field_interface/interfaces.py b/gridappsd-field-bus-lib/gridappsd_field_bus/field_interface/interfaces.py
index e386b91..3dedc5c 100644
--- a/gridappsd-field-bus-lib/gridappsd_field_bus/field_interface/interfaces.py
+++ b/gridappsd-field-bus-lib/gridappsd_field_bus/field_interface/interfaces.py
@@ -198,7 +198,7 @@ class MessageBusFactory(ABC):
     """
 
     @staticmethod
-    def create(self, config: MessageBusDefinition) -> FieldMessageBus:
+    def create(config: MessageBusDefinition) -> FieldMessageBus:
         """
         Create a message bus based upon the configuration passed.
         """
diff --git a/gridappsd-field-bus-lib/tests/test_message_bus_factory.py b/gridappsd-field-bus-lib/tests/test_message_bus_factory.py
index 4e298b3..c3c92ae 100644
--- a/gridappsd-field-bus-lib/tests/test_message_bus_factory.py
+++ b/gridappsd-field-bus-lib/tests/test_message_bus_factory.py
@@ -16,7 +16,7 @@ def tearDownClass(cls):
         subprocess.run(["docker", "rm", "artemis"])
 
     def setUp(self):
-        self.factory = MessageBusFactory()
+        #self.factory = MessageBusFactory()
         self.config = MessageBusDefinition(
             id="test_bus",
             connection_type=ConnectionType.CONNECTION_TYPE_GRIDAPPSD,
@@ -25,7 +25,7 @@ def setUp(self):
         )
 
     def test_create_message_bus(self):
-        message_bus = self.factory.create(self.config)
+        message_bus = MessageBusFactory.create(self.config)
         self.assertIsNotNone(message_bus)
         self.assertEqual(message_bus.id, "test_bus")
         self.assertEqual(message_bus.is_ot_bus, False)