diff --git a/mesecons_luacontroller/init.lua b/mesecons_luacontroller/init.lua
index f95e072..b216c79 100644
--- a/mesecons_luacontroller/init.lua
+++ b/mesecons_luacontroller/init.lua
@@ -70,7 +70,6 @@ local action_setports_on = function (pos, ports, vports)
 end
 
 local action_setports_off = function (pos, ports, vports)
-	local todo = {}
 	if vports.a ~= ports.a and not ports.a then
 		mesecon:receptor_off(pos, {rules.a})
 	end