Gemfile in pusher-client-0.3.1 vs Gemfile in pusher-client-0.4.0

@@ -1,9 +1,5 @@
 source 'https://www.rubygems.org'
 
 gemspec
 
-gem 'json',             :platform => :ruby_18
-
-group :debug do
-  gem 'ruby-debug19',     :platform => :ruby_19
-end
\ No newline at end of file
+gem 'json', :platform => :ruby_18