Check out these steps to get started!
Step 1: Login to your Shopify Admin Panel and click on Discounts.
Step 2: Search for discount codes that contain the word "rebuy".
Step 3: Select all, then click the Actions drop down and click "Delete discount codes".
Congrats! You've successfully deleted your shop's Rebuy generated discount codes. Customers will no longer be able to use the codes you've deleted.