Gemfile in tax_generator-0.6.3 vs Gemfile in tax_generator-0.6.4

@@ -1,7 +1,3 @@
 source 'http://rubygems.org'
 
 gemspec
-
-if RUBY_VERSION < "2.2.0"
-  gem 'activesupport', '>= 4.0', '< 5.0'
-end