$ cpanm --uninstall Roman
Roman contains the following files:

  $HOME/localperl/lib/site_perl/5.38.0/Roman.pm
  $HOME/localperl/man/man3/Roman.3

Are you sure you want to uninstall Roman? [y] y

Unlink: $HOME/localperl/lib/site_perl/5.38.0/Roman.pm
Unlink: $HOME/localperl/man/man3/Roman.3
Unlink: $HOME/localperl/lib/site_perl/5.38.0/x86_64-linux/auto/Roman/.packlist

Successfully uninstalled Roman