diff --git a/config/application.rb b/config/application.rb
index 541928c..e88409a 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -2,12 +2,8 @@ require File.expand_path('../boot', __FILE__)
 
 require 'rails/all'
 
-if defined?(Bundler)
-  # To precompile assets before deploying to production, use this line:
-  Bundler.require *Rails.groups(:assets => %w(development test))
-  # To get assets lazily compiled in production, use this line:
-  # Bundler.require(:default, :assets, Rails.env)
-end
+# In Rails < 4 we needed to load gems matching to the assets group. This has simplified a lot:
+Bundler.require(:default, Rails.env)
 
 module ContactORama
   class Application < Rails::Application