How to remove gem from Ruby on Rails application?

Question

I have installed a gem on my Rails application (devise). After I installed the gem, I realized that I don\'t need it.

I want to remove the gem, its dependencies and

Answer 1

You are using some sort of revision control, right? Then it should be quite simple to restore to the commit before you added the gem, or revert the one where you added it if you have several revisions after that you wish to keep.