Click the Admin tab.
Click the User Accounts tab.
Click the Delete Button 
for the account you want to delete.
Click the Admin tab.
Click the User Accounts tab.
Click the Delete Button for the account you want to delete.
From the User Accounts page, click the Delete Button, , to the left of the account ID. A confirmation prompt appears asking you to confirm your selection. Click the Delete button to delete the account from the User's List. Click the Cancel button to abort the operation.
Deleting a user account required administration rights.