To find the list of your delivery drivers, from the CD Registers screen, click on the "More" button and choose "Delivery drivers" from the dropdown menu.
Doing to will take you to the list of your current Delivery drivers.
Updating a name
To update a name, simply click on the Delivery driver in the list.
This will take you to the delivery driver's details page.
Click into the "Name" input box and amend as required.
When finished, click the "Save" button at the bottom.
This will take you back to the list of Delivery drivers.
Deleting
From the list of delivery drivers, find the one you are wanting to remove.
Click the 3 dots at the right side of the list entry and choose "Delete"
A confirmation dialog will pop up. If you are sure you want to remove the driver's details, click the delete button on the dialog.
Otherwise, click cancel.