--- a/util/throttle.lua	Tue Sep 26 17:48:33 2017 +0100
+++ b/util/throttle.lua	Tue Sep 26 18:30:34 2017 +0100
@@ -1,7 +1,6 @@
 
 local gettime = require "util.time".now
 local setmetatable = setmetatable;
-local floor = math.floor;
 
 local _ENV = nil;