Gemfile in pageflow-progress-navigation-bar-0.4.0 vs Gemfile in pageflow-progress-navigation-bar-0.5.0

@@ -1,10 +1,4 @@
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in chart.gemspec
 gemspec
-
-# Rails 4 compat
-gem 'activeadmin', git: 'https://github.com/codevise/active_admin.git', branch: 'rails4'
-gem 'ransack'
-gem 'inherited_resources', '1.4.1'
-gem 'formtastic', '2.3.0.rc2'