Deleting elfeed-org rrs sources does not remove corresponding entries in elfeed list

[n14s]

I have trouble finding a way to remove entries in the elfeed list, after removing the rss sources from the elfeed.org file.
Can anybody hint me into the right direction?

[oatmealm]

Same problem here.

[henningninneh]

same. I deleted everything, but elfeed doesn't pick it up.

[AnabasisXu]

same here in 2024