prerm is in most 5.0.0a-2.3.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 | #!/bin/sh -e
case "$1" in
	remove)
		update-alternatives --quiet --remove pager /usr/bin/most
		;;
esac
 |