You are misreading or misunderstanding the documentation which only applies to hwclock itself and not the way that Ubuntu runs it.
If you delete the rtc device, hwclock will never be run ** Changed in: util-linux (Ubuntu) Status: New => Invalid -- hwclock behaviour and manpage inconsistent https://bugs.launchpad.net/bugs/378343 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs