Can I eliminate one or more items from an already completed order? 26 October 2020 16:33 Updated Follow If the order has already been completed, it cannot be modified. However, you can always write to firstname.lastname@example.org to cancel it before it is shipped Related articles Can I cancel an order? Returns in UK Can I find out the status of my order? Can I change a shipping address for an order that has been placed? Can I place an order without registering?