diff --git a/keystone/assignment/backends/sql.py b/keystone/assignment/backends/sql.py
index 47987c6742..cd9b05ab21 100644
--- a/keystone/assignment/backends/sql.py
+++ b/keystone/assignment/backends/sql.py
@@ -43,7 +43,7 @@ class AssignmentType(object):
 class Assignment(base.AssignmentDriverBase):
 
     @classmethod
-    def default_role_driver(self):
+    def default_role_driver(cls):
         return 'sql'
 
     def create_grant(self, role_id, user_id=None, group_id=None,
diff --git a/keystone/cmd/cli.py b/keystone/cmd/cli.py
index 7c054dfb2e..087f2dbcd7 100644
--- a/keystone/cmd/cli.py
+++ b/keystone/cmd/cli.py
@@ -252,7 +252,7 @@ class DbSync(BaseApp):
         return parser
 
     @classmethod
-    def check_db_sync_status(self):
+    def check_db_sync_status(cls):
         status = 0
         try:
             expand_version = upgrades.get_db_version(repo='expand_repo')