I just found out that I did't look "close" enough around Lausanne.
With https://osm.li/PAW I was able to find the three relations.

I deleted the three relations in the following changesets:
- 50: https://www.openstreetmap.org/changeset/145345560
- 51: https://www.openstreetmap.org/changeset/145345575
- 52: https://www.openstreetmap.org/changeset/145345498