Для удаления perl модулей удобно использовать pm-uninstall. Для этого с помощью cpan устанавливаем App::pmuninstall
cpan[1]> install App::pmuninstall Reading '/root/.cpan/Metadata' Database was generated on Mon, 04 Apr 2016 12:29:02 GMT Fetching with LWP: http://www.cpan.org/authors/01mailrc.txt.gz Reading '/root/.cpan/sources/authors/01mailrc.txt.gz'
pm-uninstall --help Usage: pm-uninstall [options] Module ... options: -v,--verbose Turns on chatty output -f,--force Uninstalls without prompts -c,--checkdeps Check dependencies ( default on ) -n,--no-checkdeps Not check dependencies -h,--help This help message -V,--version Show version -l,--local-lib Additional module path -L,--local-lib-contained Additional module path (don't include non-core modules)
Пример удаления модуля DBD::mysql :
$ pm-uninstall DBD::mysql