diff --git a/src/main/python/ddadevops/c4k_mixin.py b/src/main/python/ddadevops/c4k_mixin.py
index 840f275..ab8658e 100644
--- a/src/main/python/ddadevops/c4k_mixin.py
+++ b/src/main/python/ddadevops/c4k_mixin.py
@@ -5,15 +5,9 @@ from .python_util import *
 from .devops_build import DevopsBuild
 
 def add_c4k_mixin_config(config,
-                         c4k_module_name=None,
-                         c4k_config_dict=None,
-                         c4k_auth_dict=None):
-    if c4k_module_name == None:
-        c4k_module_name = 'NO_MODULE'
-    if c4k_config_dict == None:                         
-        c4k_config_dict = {}
-    if c4k_auth_dict == None:                         
-        c4k_auth_dict = {}
+                         c4k_module_name,
+                         c4k_config_dict,
+                         c4k_auth_dict):
     
     config.update({'C4kMixin': {'Config': c4k_config_dict,
                                 'Auth': c4k_auth_dict,