--- a/mod_auth_imap/auth_imap/sasl_imap.lib.lua	Thu Sep 26 18:11:44 2013 +0100
+++ b/mod_auth_imap/auth_imap/sasl_imap.lib.lua	Thu Sep 26 18:12:27 2013 +0100
@@ -7,9 +7,8 @@
 
 local setmetatable = setmetatable;
 
-local s_match, s_gmatch = string.match, string.gmatch
+local s_match = string.match;
 local t_concat = table.concat;
-local m_random = math.random;
 local tostring, tonumber = tostring, tonumber;
 
 local socket = require "socket"