Yep, I'm tired.

Gemfile

@@ -3,7 +3,6 @@ source :rubygems
 group :development do
   gem 'jeweler'
   gem 'rspec'
-  gem 'fakefs', :require => false
 end
 
 gem 'activesupport', '>= 3.0.0', :require => nil

Gemfile.lock

 GEM
   remote: http://rubygems.org/
   specs:
-    active_support (3.0.0)
-      activesupport (= 3.0.0)
     activesupport (3.0.0)
     diff-lcs (1.1.3)
-    fakefs (0.4.0)
     git (1.2.5)
     jeweler (1.6.4)
       bundler (~> 1.0)
@@ -25,7 +22,6 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  active_support
-  fakefs
+  activesupport (>= 3.0.0)
   jeweler
   rspec

annotate.gemspec

@@ -24,6 +24,7 @@ Gem::Specification.new do |s|
     "README.rdoc",
     "Rakefile",
     "VERSION.yml",
+    "annotate.gemspec",
     "bin/annotate_models",
     "lib/annotate.rb",
     "lib/annotate/active_record_patch.rb",
@@ -57,18 +58,15 @@ Gem::Specification.new do |s|
       s.add_runtime_dependency(%q<activesupport>, [">= 3.0.0"])
       s.add_development_dependency(%q<jeweler>, [">= 0"])
       s.add_development_dependency(%q<rspec>, [">= 0"])
-      s.add_development_dependency(%q<fakefs>, [">= 0"])
     else
       s.add_dependency(%q<activesupport>, [">= 3.0.0"])
       s.add_dependency(%q<jeweler>, [">= 0"])
       s.add_dependency(%q<rspec>, [">= 0"])
-      s.add_dependency(%q<fakefs>, [">= 0"])
     end
   else
     s.add_dependency(%q<activesupport>, [">= 3.0.0"])
     s.add_dependency(%q<jeweler>, [">= 0"])
     s.add_dependency(%q<rspec>, [">= 0"])
-    s.add_dependency(%q<fakefs>, [">= 0"])
   end
 end