Delete old Sync Account from "lost" device

Hello,
yesterday I set up Sync on my old Desktop. This evening I set up my new Desktop with no more access to the old device (in fact the whole old device is not accessible anymore and the SSD destroyed).
When trying to connect to Sync with my backed up Sync code it told me that my code is not valid and that I have to renew the code on the old (now gone) device.
Now I don’t care about getting it back, I can just set up all my stuff again but is there any way to delete that (now inaccessible) Brave Sync data from the servers or to somehow delete the account?
Does it get deleted after an inactivity period by any chance?