Go to your Club Control Panel, click Shop and Payments and then Products.
Click into the product the payment applies to.
Click onto the payment that you are wanting to change.
Click on the delete icon on the product assignment.
You will then be asked if you wish to delete this manual payment.
If you are sure you wish to, click Delete.
You will then see that the manual payment has been removed.
RELATED: To see how to add a manual payment click here.