If you have several discounts that you use across many of your checkouts and have a scenario where you don’t want to offer a discount on a specific checkout. You can keep the discount code applied to the checkout and simply hide the coupon code input box.

Follow these steps:

1. From the checkout editor, click on Edit Order Summary
2. Under Offer Details, turn on the toggle ‘Hide Couple Code Input‘
3. Make sure to Publish the checkout to save your changes