Cebtenzzre [1] filed a deletion request for libx11-threadsafe [2]: All of the patches applied by this package have been merged into upstream as of libX11 1.7.0. It cannot be updated without becoming a duplicate of the libx11 package. [1] https://aur.archlinux.org/account/Cebtenzzre/ [2] https://aur.archlinux.org/pkgbase/libx11-threadsafe/