MarsSeed [1] filed a deletion request for qt5-pmp-base [2]: Unused, deprecated Qt5 5.9.5 pkg from 2018. Was reported broken (FTBFS) in 2020. Now its source URL leads to 404 not found error. Nothing depends on it, apart from other broken orphan 'qt-pmp' packages from same submitter. Safe to delete. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/qt5-pmp-base/