Let’s see how to remove a customer in Plesk.
1) Click customers.
2) Select the customer.
3) Then click remove.
4) Click yes to confirm.
Removing a subscription is done basically the same way.
5) Click subscriptions.
6) Check the box next to the subscription.
7) And click remove.
8) Click yes to confirm.
This is the end of the tutorial. Now you magento hosting know how to remove customers and subscriptions in Plesk.