script.on_event({defines.events.on_init},
    function(e)
        removed_items = {"transport-belt", "fast-transport-belt"}
        for name, recipe in pairs(data.raw.recipe) do
            if recipe.result then
              for _, removeName in ipairs(removed_items) do
                  if recipe.result == removeName then
                      recipe.enabled = false
                      disabled_recipes[name] = name
                  end
              end
            elseif recipe.results then
              for ingredientIndex, ingredient in pairs(recipe.results) do
                for _, removeName in ipairs(removed_items) do
                  if (ingredient.name and ingredient.name == removeName) or (ingredient[1] and ingredient[1] == removeName ) then
                      recipe.enabled = false
                      disabled_recipes[name] = name
                  end
                end
              end
            end
        end

        for name, technology in pairs(data.raw.technology) do
          if technology.effects then
            for index=#technology.effects,1,-1 do
              local effect = technology.effects[index]
              if effect.type == "unlock_recipe" then
                if disabled_recipes[effect.recipe] then
                    table.remove(technology.effects, index)
                end
              end
            end
          end
        end
    end
)