the.com/unregister
The polite act of telling a system to forget you ever signed up.
means To remove a previously recorded entry, account, or component from a list or system.
from Built from Latin regesta, things recorded, with the Old English un- prefix that reverses any verb it grabs.
Tech stapleEvent listeners get unregistered to stop memory leaks.
Newer than registerThe reversal verb arrived centuries after its root.
Quiet cousinLess common than unsubscribe but means much the same.