i want to remove specific trackers from all my torrents (they're discontinued), it's not doable with a per-torrent method as i would never finish.

I'm using qbittorrent v5.0.3 WebUI, i cannot just select the trackers i wish to remove under the "trackers" pane in the left side as it only allows me to remove all torrents with this tracker (i do not wish to remove the torrents), and not remove the tracker.

how can i remove these trackers from all my torrents easily, while keeping the torrents for seeding?