Gemfile in s3io-1.1.1 vs Gemfile in s3io-1.1.4

@@ -2,12 +2,8 @@
 
 # Specify your gem's dependencies in s3io.gemspec
 gemspec
 
 gem "rake"
+gem 'nokogiri', '< 1.6' if RUBY_VERSION < '1.9'
 
-group :development do
-  platforms :ruby do
-    gem "yard"
-    gem "redcarpet"
-  end
-end
+gem "test-unit", :group => :test if RUBY_VERSION >= '2.2'