Rails 3.1 include_root_in_json

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It turns out that Rails 3.1 just creates this json config file for you. I didn’t know this file was here so my file in initializers was ignored.

In Ryan’s answer above does override this setting.

config/initializers/wrap_parameters.rb

# Be sure to restart your server when you modify this file.
#
# This file contains settings for ActionController::ParamsWrapper which
# is enabled by default.

# Enable parameter wrapping for JSON. You can disable this by setting :format to an empty array.
ActionController::Base.wrap_parameters :format => [:json]

# Disable root element in JSON by default.
if defined?(ActiveRecord)
  ActiveRecord::Base.include_root_in_json = false
end

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