MarsSeed [1] filed a deletion request for rtl-sdr-keenerd-git [2]: Orphan package. This fork of librtlsdr has been discontinued since 2016. [a] Upstream is at least 4 years newer. There's an AUR package for the latter: rtl-sdr-librtlsdr-git Safe to delete this one. [a]: https://github.com/keenerd/rtl-sdr [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/rtl-sdr-keenerd-git/