In most cases, there's no need to purge or delete customers from your system. However, if deletion is necessary, follow these steps:
Open the Customers tab from the left-hand slide-out menu.
Select the customer(s) you wish to delete.
Click the Trash icon in the top-right corner.
Example:
Note: As a safety measure, if a customer has active bookings their account cannot be deleted. You must first cancel their active bookings.