MarsSeed [1] filed a deletion request for grib_api [2]: Orphaned package. GRIB-API has been discontinued in 2017: https://www.ecmwf.int/en/newsletter/152/news/end-road-grib-api GRIB decoding/encoding is now supported in the successor tool: AUR/eccodes, AUR/eccodes-git. Source and upstream URLs already gone. Safe to delete, not needed and not accessible anymore. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/grib_api/