polyzen [1] filed a deletion request for firefox-extension-ublock [2]: The project appears to be dead. Shoddy practices by current project maintainer(Chris). See top of https://github.com/gorhill/uBlock/blob/master/README.md [1] https://aur.archlinux.org/account/polyzen/ [2] https://aur.archlinux.org/pkgbase/firefox-extension-ublock/