--- a/core/storagemanager.lua	Wed Sep 19 16:39:19 2012 +0200
+++ b/core/storagemanager.lua	Wed Sep 19 16:40:38 2012 +0200
@@ -96,7 +96,6 @@
 
 function purge(user, host)
 	local storage = config.get(host, "storage");
-	local driver_name;
 	if type(storage) == "table" then
 		-- multiple storage backends in use that we need to purge
 		local purged = {};