To clear a comp from an item in the open order:
- Tap on the 'three lines' icon and go to Open checks.
- Select an order from the list of open orders.
- Select the item you wish to clear a comp reason from.
- Tap Comp item.
- Tap Clear comp to clear comp form an item.
- Save changes of an order by tapping on the 'pin' icon or take payment by tapping on the amount in the cart.
See this article to find out more about comp reasons and when to use them.