# File lib/generators/bootstrap/install/install_generator.rb, line 61
      def cleanup_legacy
        # Remove old requires (if any) that included twitter/bootstrap directly:
        gsub_file("app/assets/stylesheets/application.css", %r|\s*\*=\s*twitter/bootstrap\s*\n|, "")
        if File.exist?('app/assets/stylesheets/bootstrap_override.css.less')
          puts "Warning:\napp/assets/stylesheets/bootstrap_override.css.less exists\nIt should be removed, as it has been superceded by app/assets/stylesheets/bootstrap_and_overrides.css.less\n"
        end
      end