--- a/mod_storage_xmlarchive/mod_storage_xmlarchive.lua	Wed May 27 13:31:33 2015 +0200
+++ b/mod_storage_xmlarchive/mod_storage_xmlarchive.lua	Fri May 29 14:24:21 2015 +0200
@@ -23,7 +23,6 @@
 local archive = {};
 local archive_mt = { __index = archive };
 
-local s = require"util.serialization".new("debug").serialize;
 function archive:append(username, _, data, when, with)
 	if type(when) ~= "number" then
 		when, with, data = data, when, with;