diff --git a/oslo_messaging/transport.py b/oslo_messaging/transport.py
index 5a8c3891a..6fb3c8e42 100644
--- a/oslo_messaging/transport.py
+++ b/oslo_messaging/transport.py
@@ -381,7 +381,6 @@ class TransportURL(object):
 
         hosts = []
 
-        username = password = ''
         for host in url.netloc.split(','):
             if not host:
                 continue