Gemfile in middleman-minify-html-3.1.1 vs Gemfile in middleman-minify-html-3.3.0

@@ -1,8 +1,8 @@
 source "https://rubygems.org"
 
-gem "middleman-core", :github => "middleman/middleman"
+gem "middleman-core", :github => "middleman/middleman", :branch => "v3-stable"
 
 # Specify your gem's dependencies in middleman-minify-html.gemspec
 gemspec
 
 gem "rake",     "~> 10.0.3", :require => false
@@ -10,14 +10,6 @@
 
 gem "cucumber", "~> 1.3.1"
 gem "fivemat"
 gem "aruba",    "~> 0.5.1"
 gem "rspec",    "~> 2.12"
-gem "builder",  "~> 3.0.0"
-
-# Code Quality
-gem "cane", :platforms => [:mri_19, :mri_20], :require => false
-
-# Cross-templating language block fix for Ruby 1.8
-platforms :mri_18 do
-  gem "ruby18_source_location"
-end
+gem "builder",  "~> 3.0.0"
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