Erase all authorizations and start over?

Hi!
I've authorized the maximum limit of devices for the id in digital editions.
The problem is though, that I sold two of my computers last week just to buy a new one. When I now try to authorize this new computer it (of course) says that the maximum authorized computers is reached.

Is there a way just to de-authorize all of the computers and just start over? The old computers is in new hands and out of my power.

Thanks!