diff --git a/lib/rabl-rails.rb b/lib/rabl-rails.rb
index 47eee41..471fa00 100644
--- a/lib/rabl-rails.rb
+++ b/lib/rabl-rails.rb
@@ -1,7 +1,6 @@
 require 'rails/railtie'
 
 require 'active_support'
-require 'active_support/json'
 require 'active_support/core_ext/class/attribute_accessors'
 
 require 'rabl-rails/version'