rvm remove ruby-x1.x1.x1 If above command fails, try rvm --default use x2.x2.x2 (set another ruby as default if you want to remove default selected ruby) rvm fix-permissions rvm remove ruby-x1.x1.x1# 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