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