Gemfile.lock in leanback-0.5.2 vs Gemfile.lock in leanback-0.5.3

@@ -1,16 +1,9 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    activesupport (4.0.2)
-      i18n (~> 0.6, >= 0.6.4)
-      minitest (~> 4.2)
-      multi_json (~> 1.3)
-      thread_safe (~> 0.1)
-      tzinfo (~> 0.3.37)
     addressable (2.3.6)
-    atomic (1.1.16)
     builder (3.2.2)
     coderay (1.1.0)
     diff-lcs (1.1.2)
     faraday (0.8.9)
       multipart-post (~> 1.2.0)
@@ -22,11 +15,10 @@
       multi_json (~> 1.4)
       nokogiri (~> 1.5.2)
       oauth2
     hashie (2.1.1)
     highline (1.6.21)
-    i18n (0.6.9)
     jeweler (1.8.8)
       builder
       bundler (~> 1.0)
       git (>= 1.2.5)
       github_api (= 0.10.1)
@@ -38,11 +30,10 @@
     json_pure (1.8.3)
     jwt (0.1.11)
       multi_json (>= 1.5)
     method_source (0.8.2)
     mime-types (1.25.1)
-    minitest (4.7.5)
     multi_json (1.9.2)
     multi_xml (0.5.5)
     multipart-post (1.2.0)
     nokogiri (1.5.10)
     oauth2 (0.9.3)
@@ -68,18 +59,14 @@
     rspec-core (2.6.4)
     rspec-expectations (2.6.0)
       diff-lcs (~> 1.1.2)
     rspec-mocks (2.6.0)
     slop (3.4.7)
-    thread_safe (0.3.1)
-      atomic (>= 1.1.7, < 2)
-    tzinfo (0.3.38)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  activesupport
   bundler
   jeweler (~> 1.8.7)
   json_pure (~> 1.8.3)
   pry
   rest-client