public static void removeItemStack(Player player, ItemStack item, int amount) {
        Inventory inventory = player.getInventory();
        Iterator<Slot> slotIterator = inventory.<Slot>slots().iterator();
        while (slotIterator.hasNext() && amount > 0) {
            Slot slot = slotIterator.next();
            Optional<ItemStack> optionalInventoryItem = slot.peek();
            if (optionalInventoryItem.isPresent()) {
                ItemStack inventoryItem = optionalInventoryItem.get();
                if (ItemStackComparators.IGNORE_SIZE.compare(inventoryItem, item) == 0) {
                    int itemQuantity = inventoryItem.getQuantity();
                    if (itemQuantity > amount) {
                        item.setQuantity(itemQuantity - amount);
                        slot.set(item);
                        amount = 0;
                    } else {
                        slot.set(ItemStack.of(ItemTypes.NONE, amount));
                        amount -= itemQuantity;
                    }
                }
            }
        }
    }