After almost 2 years no signs of it coming back: https://www.discogs.com/track
Let's get rid of them:

• https://musicbrainz.org/edit/75821988
• https://musicbrainz.org/edit/80717982
• https://musicbrainz.org/edit/80003198

There are still ca 1,200 left. Good task for a bot.

With a list or report (mark as deprecated?) Editors may do this by hand more easily.