You can remove Menu and Order Administrators at any time, as long as you are a Menu Administrator.
REMOVING A MENU ADMINISTRATOR
1. Log into the partner site, select item editor and check you are operating as the correct supplier (the one you'd like to remove the administrator from).
2. Click on the Manage Menu Administrators button on the right of the screen.
4. The rubbish bin will turn red, click it again to delete the administrator.
5. The administrator will be removed from the list. Click done.
REMOVING AN ORDER ADMINISTRATOR
Follow the exact same process as above but start by selecting the Manage Order Administrators button on the right of the screen.