Remove heroku toolbelt from /usr/local/heroku/bin:/Users/kwkoch/local/bin:/Users/kwkoch/.bin:/usr/local/bin:/usr/local/sbin:/usr/local/mysql/bin:/usr/local/heroku/bin:/Users/kwkoch/.rvm/gems/ruby-1.9.3-p125@rails-3.2/bin:/Users/kwkoch/.rvm/gems/ruby-1.9.3-p125@global/bin:/Users/kwkoch/.rvm/rubies/ruby-1.9.3-p125/bin:/Users/kwkoch/.rvm/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/local/git/bin:/Users/kwkoch/.rvm/bin since it is already added in dotset's .bashrc