diff --git a/nova/api/auth.py b/nova/api/auth.py
index 0671b2bb55d5..0c8fe7c282ba 100644
--- a/nova/api/auth.py
+++ b/nova/api/auth.py
@@ -79,10 +79,6 @@ def pipeline_factory_v21(loader, global_conf, **local_conf):
     return _load_pipeline(loader, local_conf[CONF.auth_strategy].split())
 
 
-# NOTE(oomichi): This pipeline_factory_v3 is for passing check-grenade-dsvm.
-pipeline_factory_v3 = pipeline_factory_v21
-
-
 class InjectContext(wsgi.Middleware):
     """Add a 'nova.context' to WSGI environ."""