Bug#597443:

[Russ Allbery]

"Nate M." <nate at bluddclot.com> writes:

> Oh. And I cannot uninstall either right now due to the broken
> libglx-nvidia-alternatives package.

You should be able to purge fglrx, since it's the one that owns the
diversions and can clean up, and then purge the NVIDIA packages.  apt may
be too smart for its own good; if so, try using dpkg --purge to remove the
fglrx packages first.

-- 
Russ Allbery (rra at debian.org)               <http://www.eyrie.org/~eagle/>