diff --git a/tubelib_addons1/grinder.lua b/tubelib_addons1/grinder.lua
index 3ea7c22..2de9eea 100644
--- a/tubelib_addons1/grinder.lua
+++ b/tubelib_addons1/grinder.lua
@@ -29,19 +29,6 @@ local CYCLE_TIME = 2
 -- Grinder recipes
 local Recipes = {}
 
-function dump(o)
-	if type(o) == 'table' then
-	   local s = '{ '
-	   for k,v in pairs(o) do
-		  if type(k) ~= 'number' then k = '"'..k..'"' end
-		  s = s .. '['..k..'] = ' .. dump(v) .. ','
-	   end
-	   return s .. '} '
-	else
-	   return tostring(o)
-	end
- end
-
 local function formspec(self, pos, meta)
 	return "size[8,8]"..
 	default.gui_bg..