Gemfile in edtf-3.0.8 vs Gemfile in edtf-3.1.0

@@ -1,36 +1,22 @@
 source 'https://rubygems.org'
 gemspec
 
 group :debug do
-  gem 'ruby-debug', :require => false, :platform => :jruby
-  gem 'byebug', :require => false, :platform => :mri
-  gem 'rubinius-compiler', '~>2.0', :require => false, :platform => :rbx
-  gem 'rubinius-debugger', '~>2.0', :require => false, :platform => :rbx
+  gem 'debug', platform: 'mri'
 end
 
 group :development do
   gem 'rake'
-  gem 'racc', :platform => :ruby
+  gem 'racc'
   gem 'cucumber'
-  gem 'rspec', '~>3.0'
-  gem 'simplecov', :require => false
-  gem 'rubinius-coverage', :platform => :rbx
-  gem 'coveralls', '~>0.8', :require => false
+  gem 'rspec'
+  gem 'simplecov', platform: 'mri'
+  gem 'simplecov-lcov', platform: 'mri'
 end
 
 group :extra do
   gem 'ZenTest'
 end
 
 # active_support requires this
 gem 'i18n'
-
-platform :rbx do
-  gem 'rubysl-singleton', '~>2.0'
-  gem 'rubysl-open3', '~>2.0'
-  gem 'rubysl-enumerator', '~>2.0'
-  gem 'rubysl-base64', '~>2.0'
-  gem 'rubysl-bigdecimal', '~>2.0'
-  gem 'rubysl-drb', '~>2.0'
-  gem 'json'
-end