diff --git a/util/filter.lua b/util/filter.lua
index c61c7c6..42e17a5 100644
--- a/util/filter.lua
+++ b/util/filter.lua
@@ -239,7 +239,6 @@ do
 			) do
 				if not self[parser[1]] then
 					tinsert(parser, str)
-					p(str, p(unpack(parser)), p(select(3, unpack(parser))))
 					local index, label = parser[2](select(3, unpack(parser)))
 					if index then
 						self[parser[1]] = A(label, index)
diff --git a/util/info.lua b/util/info.lua
index f269728..ce34674 100644
--- a/util/info.lua
+++ b/util/info.lua
@@ -372,7 +372,6 @@ end
 
 function public.item_class_index(item_class)
     for i, class in temp-A(GetAuctionItemClasses()) do
-	    if type(item_class) ~= 'string' then error() end
         if strupper(class) == strupper(item_class) then
             return i, class
         end