diff --git a/config/boot.rb b/config/boot.rb
index d105634..4489e58 100644
--- a/config/boot.rb
+++ b/config/boot.rb
@@ -1,123 +1,6 @@
-# Don't change this file!
-# Configure your app in config/environment.rb and config/environments/*.rb
+require 'rubygems'
 
-RAILS_ROOT = "#{File.dirname(__FILE__)}/.." unless defined?(RAILS_ROOT)
+# Set up gems listed in the Gemfile.
+ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)
 
-module Rails
-  class << self
-    def boot!
-      unless booted?
-        preinitialize
-        pick_boot.run
-      end
-    end
-
-    def booted?
-      defined? Rails::Initializer
-    end
-
-    def pick_boot
-      (vendor_rails? ? VendorBoot : GemBoot).new
-    end
-
-    def vendor_rails?
-      File.exist?("#{RAILS_ROOT}/vendor/rails")
-    end
-
-    def preinitialize
-      load(preinitializer_path) if File.exist?(preinitializer_path)
-    end
-
-    def preinitializer_path
-      "#{RAILS_ROOT}/config/preinitializer.rb"
-    end
-  end
-
-  class Boot
-    def run
-      load_initializer
-      Rails::Initializer.run(:set_load_path)
-    end
-  end
-
-  class VendorBoot < Boot
-    def load_initializer
-      require "#{RAILS_ROOT}/vendor/rails/railties/lib/initializer"
-      Rails::Initializer.run(:install_gem_spec_stubs)
-    end
-  end
-
-  class GemBoot < Boot
-    def load_initializer
-      self.class.load_rubygems
-      load_rails_gem
-      require 'initializer'
-    end
-
-    def load_rails_gem
-      if version = self.class.gem_version
-        gem 'rails', version
-      else
-        gem 'rails'
-      end
-    rescue Gem::LoadError => load_error
-      $stderr.puts %(Missing the Rails #{version} gem. Please `gem install -v=#{version} rails`, update your RAILS_GEM_VERSION setting in config/environment.rb for the Rails version you do have installed, or comment out RAILS_GEM_VERSION to use the latest version installed.)
-      exit 1
-    end
-
-    class << self
-      def rubygems_version
-        Gem::RubyGemsVersion if defined? Gem::RubyGemsVersion
-      end
-
-      def gem_version
-        if defined? RAILS_GEM_VERSION
-          RAILS_GEM_VERSION
-        elsif ENV.include?('RAILS_GEM_VERSION')
-          ENV['RAILS_GEM_VERSION']
-        else
-          parse_gem_version(read_environment_rb)
-        end
-      end
-
-      def load_rubygems
-        require 'rubygems'
-
-        unless rubygems_version >= '0.9.4'
-          $stderr.puts %(Rails requires RubyGems >= 0.9.4 (you have #{rubygems_version}). Please `gem update --system` and try again.)
-          exit 1
-        end
-
-      rescue LoadError
-        $stderr.puts %(Rails requires RubyGems >= 0.9.4. Please install RubyGems and try again: http://rubygems.rubyforge.org)
-        exit 1
-      end
-
-      def parse_gem_version(text)
-        $1 if text =~ /^[^#]*RAILS_GEM_VERSION\s*=\s*["']([!~<>=]*\s*[\d.]+)["']/
-      end
-
-      private
-        def read_environment_rb
-          File.read("#{RAILS_ROOT}/config/environment.rb")
-        end
-    end
-  end
-end
-
-# yeah, I know, I shouldn't change this file. But ...
-def install_debian_rails
-  local_rails = File.dirname(__FILE__) + '/../vendor/rails'
-  debian_rails = ['/usr/share/rails-ruby1.8', '/usr/lib/ruby/vendor_ruby/rails'].find { |d| File.exists?(d) }
-  if !File.exist?(local_rails) && debian_rails && File.exists?(debian_rails)
-    File.delete(local_rails) if File.symlink?(local_rails) # remove dangling symlink
-    puts "I: Installing Debian-installed Rails from /usr/share/rails into vendor/rails."
-    recommended_rails_version = Rails::GemBoot.gem_version
-    puts "I: Please note that the recommended Rails version is #{recommended_rails_version}, and that other versions might not work"
-    File.symlink(debian_rails, local_rails)
-  end
-end
-install_debian_rails
-
-# All that for this:
-Rails.boot!
+require 'bundler/setup' if File.exists?(ENV['BUNDLE_GEMFILE'])
--
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