Desinstale RVM
$ sudo rvm implode
$ sudo rm -rf ~/.rvm
$ sudo rm -rf /etc/rvmrc
$ sudo rm -rf ~/.rvmrc
$ sudo groupdel rvm
Blue Boar
$ sudo rvm implode
$ sudo rm -rf ~/.rvm
$ sudo rm -rf /etc/rvmrc
$ sudo rm -rf ~/.rvmrc
$ sudo groupdel rvm
# Removes the ruby, source files and optional gemsets / archives
rvm remove ruby-x.x.x
# Just removes the ruby - leaves everything else
rvm uninstall ruby-x.x.x