Rakefile in mongoid-0.11.4 vs Rakefile in mongoid-0.11.5

@@ -12,10 +12,9 @@
     gem.homepage = "http://mongoid.org"
     gem.authors = ["Durran Jordan"]
 
     gem.add_dependency("activesupport", ">= 2.2.2")
     gem.add_dependency("mongo", ">= 0.18.2")
-    gem.add_dependency("mongo_ext", ">= 0.18.2")
     gem.add_dependency("durran-validatable", ">= 1.8.4")
     gem.add_dependency("leshill-will_paginate", ">= 2.3.11")
 
     gem.add_development_dependency("rspec", ">= 1.2.9")
     gem.add_development_dependency("mocha", ">= 0.9.8")