[schluete]

sqlite3 ~/Library/Preferences/com.apple.LaunchServices.QuarantineEventsV* 'vacuum'

[geuis]

Tried this, but I still see all of the files in the list.

[toyg]

The idea is that first you run the DELETE statement from TFA, which marks the records as deleted and "hides" them but doesn't completely "forget" them, then you run the VACUUM one, which should basically erase any trace of those records ever existing in the sqlite db.