Gemfile in redis-actionpack-4.0.0 vs Gemfile in redis-actionpack-4.0.1

@@ -1,16 +1,10 @@
 source 'https://rubygems.org'
 gemspec
 
-gem 'redis-store', '~> 1.1.0', path: '../redis-store'
-gem 'redis-rack',  '~> 1.5.0', path: '../redis-rack'
-
-version = ENV["RAILS_VERSION"] || "4"
-
-rails = case version
-when "master"
-  {:github => "rails/rails"}
-else
-  "~> #{version}.0"
+if ::File.directory?(gem_path = '../redis-store')
+  gem 'redis-store', '~> 1.1.0', path: gem_path
 end
 
-gem "rails", rails
+if ::File.directory?(gem_path = '../redis-rack')
+  gem 'redis-rack', '~> 1.5.0', path: gem_path
+end