To uninstall efivar just follow these instructions.
/debian/stretch/main///install/index.html Tools to manage UEFI variables Debian 9.0 admin 30-2
sudo apt-get remove efivar
Which will remove just the efivar package itself.
sudo apt-get remove --auto-remove efivar
This will remove the efivar package and any other dependant packages which are no longer needed.
If you also want to delete your local/config files for efivar then this will work.
sudo apt-get purge efivar
Or similarly, like this efivar
sudo apt-get purge --auto-remove efivar
Package | efivar |
Version | 30-2 |
Maintainer | Debian UEFI Maintainers |
Description | Tools to manage UEFI variables |
Distro | debian |
Release | stretch |
Repo | main |
Section | admin |