Alad [1] filed a deletion request for libusb-nosystemd [2]: Copy of repo package with "libsystemd" changed to "eudev" in depends.
https://git.archlinux.org/svntogit/packages.git/tree/trunk/PKGBUILD?h=packages/libusb [1] https://aur.archlinux.org/account/Alad/ [2] https://aur.archlinux.org/pkgbase/libusb-nosystemd/
