Follow the instructions below in order to remove an Administrative Copy from a Service Contact.
At the top right, click the orange actions button. Select the option Service Contacts in the drop down menu.
On the Service Contacts page, find the email that is associated with administrative contact.
Click the email which will highlight and blue, scroll down the screen to find the Administrative Copy.
Remove the administrative email by backspacing on your keyboard.
Scroll down and Click save changes.