App::pmuninstall cannot find things which are in @INC. I installed Chart::Clicker under Perl 5.10.0 and it's in the following directory: /usr/home/ben/software/install/lib/perl5/site_perl/5.10.0/Chart/Clicker. pm After that I installed Perl 5.12.3, and it is using the old Chart::Clicker distribution which is still in the above directory. However, pm-uninstall cannot find it: $ pm-uninstall Chart::Clicker Chart::Clicker is not installed. I have been able to use pm-uninstall for things which are in the 5.12.3 directory though.