def decrement_items(inventory, items):
    """Decrement items in inventory using elements from the `items` list.

    :param inventory: dict - inventory dictionary.
    :param items: list - list of items to decrement from the inventory.
    :return: dict - updated inventory with items decremented.
    """

    for item in items:
        if item in inventory:
            inventory[item] = max(inventory[item] - 1, 0)
    return inventory