diff --git a/bzutil/data-util.lua b/bzutil/data-util.lua
index 971f3ae..effcd73 100644
--- a/bzutil/data-util.lua
+++ b/bzutil/data-util.lua
@@ -1,7 +1,3 @@
--- WARNING WARNING WARNING
--- This file will be overwritten in mod zipfiles, edit bzlib/data-util.lua
--- WARNING WARNING WARNING
-
 local futil = require("util")
 local me = require("me")
 local util = {}
@@ -9,24 +5,8 @@ local util = {}
 util.me = me
 util.get_setting = util.me.get_setting
 
-util.bz = {}
-util.bz.carbon = mods["bzcarbon"] and "bzcarbon" or mods["bzcarbon2"] and "bzcarbon2"
-util.bz.lead = mods["bzlead"] and "bzlead" or mods["bzlead2"] and "bzlead2"
-util.bz.silicon = mods["bzsilicon"] and "bzsilicon" or mods["bzsilicon2"] and "bzsilicon2"
-util.bz.tin = mods["bztin"] and "bztin" or mods["bztin2"] and "bztin2"
-util.bz.titanium = mods["bztitanium"] and "bztitanium" or mods["bztitanium2"] and "bztitanium2"
-util.bz.zirconium = mods["bzzirconium"] and "bzzirconium" or mods["bzzirconium2"] and "bzzirconium2"
-util.bz.gold = mods["bzgold"] and "bzgold" or mods["bzgold2"] and "bzgold2"
-util.bz.aluminum = mods["bzaluminum"] and "bzaluminum" or mods["bzaluminum2"] and "bzaluminum2"
-util.bz.gas = mods["bzgas"] and "bzgas" or mods["bzgas2"] and "bzgas2"
-util.bz.chlorine = mods["bzchlorine"] and "bzchlorine" or mods["bzchlorine2"] and "bzchlorine2"
-util.bz.tungsten = mods["bztungsten"] and "bztungsten" or mods["bztungsten2"] and "bztungsten2"
-util.bz.foundry = mods["bzfoundry"] and "bzfoundry" or mods["bzfoundry2"] and "bzfoundry2"
-
 util.titanium_plate = ""
 util.titanium_processing = ""
-util.bismuth_plate = ""
-util.bismuth_processing = ""
 
 local item_sounds_helper = [[
 local item_sounds = require('__base__.prototypes.item_sounds')
@@ -58,18 +38,14 @@ util.ALC = { { "automation-science-pack", 1 }, { "logistic-science-pack", 1 }, {
 
 if mods["FactorioExtended-Plus-Core"] then
   util.titanium_plate = "titanium-alloy"
-  util.bismuth_plate = "bismuth-alloy"
 else
   util.titanium_plate = "titanium-plate"
-  util.bismuth_plate = "bismuth-plate"
 end
 
 if mods["pyrawores"] then
   util.titanium_processing = "titanium-mk01"
-  util.bismuth_processing = "bismuth-mk01"
 else
   util.titanium_processing = "titanium-processing"
-  util.bismuth_processing = "bismuth-processing"
 end
 
 util.vacuum_icon = { icon = "__base__/graphics/icons/fluid/steam.png", tint = { r = .1, g = .1, b = .5, a = .5 } }
@@ -992,7 +968,7 @@ end
 function add_ingredient_raw(recipe, ingredient)
   if recipe ~= nil and recipe.ingredients ~= nil then
     for i, existing in pairs(recipe.ingredients) do
-      if (existing.name and existing.name == ingredient.name) then
+      if existing.name == ingredient.name then
         return
       end
     end
@@ -1053,6 +1029,8 @@ function add_product(recipe, product)
           return
         end
       end
+      recipe.result = nil
+      recipe.result_count = nil
       table.insert(recipe.results, product)
     end
   end