We hope that you have already read our tutorial on how to add an add-on domain in your cPanel account. Follow this article to remove add-on domain from your cPanel.
1. Log into your cPanel account.
2. In the “Domains” section, click on the “Addon Domains” icon.
3. Locate the addon domain under “Modify Addon Domain” and then click on the “Remove” link.
4. Click on the “Remove” button once more. You should see a success message notifying you that your Add-on domain has been completely removed.