1 files changed, 6 insertions, 10 deletions
diff --git a/Gemfile b/Gemfile
index e82b4c2b27..88f3686e95 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,14 +12,13 @@ gem 'bcrypt-ruby', '~> 3.1.2'
 gem 'jquery-rails', '~> 2.2.0'
 gem 'turbolinks'
 gem 'coffee-rails', '~> 4.0.0'
-gem 'arel', github: 'rails/arel'
 
 # This needs to be with require false to avoid
 # it being automatically loaded by sprockets
 gem 'uglifier', '>= 1.3.0', require: false
 
 group :doc do
-  gem 'sdoc'
+  gem 'sdoc', '~> 0.4.0'
   gem 'redcarpet', '~> 2.2.2', platforms: :ruby
   gem 'w3c_validators'
   gem 'kindlerb'
@@ -37,15 +36,14 @@ group :test do
     gem 'ruby-prof', '~> 0.11.2'
   end
 
-  platforms :mri_19, :mri_20 do
-    gem 'debugger'
-  end
+  # platforms :mri_19, :mri_20 do
+  #   gem 'debugger'
+  # end
 
   gem 'benchmark-ips'
 end
 
 platforms :ruby do
-  gem 'yajl-ruby'
   gem 'nokogiri', '>= 1.4.5'
 
   # Needed for compiling the ActionDispatch::Journey parser
@@ -79,10 +77,8 @@ platforms :jruby do
 end
 
 platforms :rbx do
-  gem 'psych'
-  gem 'rubysl-mathn'
-  gem 'rubysl-matrix'
-  gem 'rubysl-rexml'
+  gem 'psych', '~> 2.0'
+  gem 'rubysl', '~> 2.0'
 end
 
 # gems that are necessary for ActiveRecord tests with Oracle database