You can remove the hosting package of your account, or, should you have root access, you can also remove the packages of other users from WHM.
1. Log in to your WHM Account.
2. Go to Packages >> Delete a Package or type Delete a Package in the menu filter box. The option will appear. Click on it.
3. Under Delete a Package, select a package you want to remove and click on Delete.
Congratulations, you have successfully removed the selected package.