diff --git a/castellan/key_manager/barbican_key_manager.py b/castellan/key_manager/barbican_key_manager.py
index 9d01c84..1b545cc 100644
--- a/castellan/key_manager/barbican_key_manager.py
+++ b/castellan/key_manager/barbican_key_manager.py
@@ -198,7 +198,6 @@
             return endpoint_data.url
         else:
             service_parameters = {'service_type': 'key-manager',
-                                  'service_name': 'barbican',
                                   'interface': barbican.barbican_endpoint_type}
             return auth.get_endpoint(sess, **service_parameters)