How do you undo bundle install --without

Question

How do you undo running

bundle install --without development

Right now, I have gems in the development group that are being ignored because

Answer 1

Run

bundle install --without ""

Ref: https://github.com/carlhuda/bundler/blob/master/spec/install/gems/groups_spec.rb#L149-154

    it "clears without when passed an empty list" do
      bundle :install, :without => "emo"

      bundle 'install --without ""'
      should_be_installed "activesupport 2.3.5"
    end