Currently, you cannot delete license keys directly, but you can archive them instead. There is a
Archive button in the
Actions column, which can be used for this purpose. When a license key is archived, is not shown in the list anymore. However, you can still display them if you want, using the
Show archived keys checkbox. Furthermore, you can always
Unarchive it, which is the advantage of archiving when compared to deleting.
Particular options can be seen here:
-rm-