diff --git a/jupyter/base/values/values.yaml b/jupyter/base/values/values.yaml
index 6b25515..c2f73cd 100644
--- a/jupyter/base/values/values.yaml
+++ b/jupyter/base/values/values.yaml
@@ -173,9 +173,6 @@ hub:
 
 
         class RefreshHandler(HubAuthenticated, RequestHandler):
-            def initialize(self, hub_auth):
-              self.hub_auth = hub_auth
-
             @authenticated
             def get(self):
                 user_model = self.get_current_user()