--- a/util/timer.lua	Sat Apr 28 02:40:36 2012 +0100
+++ b/util/timer.lua	Sat Apr 28 02:41:53 2012 +0100
@@ -15,8 +15,7 @@
 local math_huge = math.huge
 local get_time = require "socket".gettime;
 local t_insert = table.insert;
-local t_remove = table.remove;
-local ipairs, pairs = ipairs, pairs;
+local pairs = pairs;
 local type = type;
 
 local data = {};