What is the best way to uninstall gems from a rails3 project?

Question

I installed all of my gems using bundler via the Gemfile. I thought (mistakenly) that if I deleted a gem from my Gemfile and ran \'bundle install\' that the deleted gems would b

Answer 1

This will uninstall a gem installed by bundler:

bundle exec gem uninstall GEM_NAME

Note that this throws

ERROR: While executing gem ... (NoMethodError) undefined method `delete' for #

but the gem is actually removed. Next time you run bundle install the gem will be reinstalled.