Click the "Domains" tab on the left hand side bar to open a drop down menu.
Press "List Domains" on the newly opened menu.
This brings you to a List of all domains you have administrative power over.
At the far right of each listed domain there is status indicator, in order to erase a domain it must be set to stop.
Click the status button to access the drop down menu.
Select stop then wait a moment for a confirmation message to display above the domain list.
Once the confirmation message displays,
click the status again then select erase from the menu.
A confirmation message will now display acknowledging that the domain has been deleted.