diff --git a/lib/nova b/lib/nova
index c24bc2fd8a..096d380e03 100644
--- a/lib/nova
+++ b/lib/nova
@@ -405,7 +405,6 @@ function create_nova_conf {
     rm -f $NOVA_CONF
     iniset $NOVA_CONF DEFAULT verbose "True"
     iniset $NOVA_CONF DEFAULT debug "$ENABLE_DEBUG_LOG_LEVEL"
-    iniset $NOVA_CONF DEFAULT auth_strategy "keystone"
     iniset $NOVA_CONF DEFAULT allow_resize_to_same_host "True"
     iniset $NOVA_CONF DEFAULT allow_migrate_to_same_host "True"
     iniset $NOVA_CONF DEFAULT api_paste_config "$NOVA_API_PASTE_INI"