diff --git a/Gemfile b/Gemfile
index fb1f84078..1691f9efd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -17,6 +17,7 @@ gem 'paperclip', '~> 3.0.2'
 gem 'delayed_job_active_record', '~> 0.3.2'
 gem 'russian', '~> 0.6.0'
 gem 'highline', '~> 1.6.11'
+gem 'state_machine'
 
 gem 'jbuilder'
 
@@ -44,7 +45,6 @@ gem 'rails3-jquery-autocomplete', '~> 1.0.7'
 gem 'will_paginate', '~> 3.0.3'
 gem 'meta-tags', '~> 1.2.5', :require => 'meta_tags'
 gem "haml-rails", '~> 0.3.4'
-gem 'state_machine', :require => 'state_machine/core'
 gem 'jquery-rails', '~> 2.0.2'
 gem 'ruby-haml-js', '~> 0.0.3'
 gem 'rails-backbone', '~> 0.7.2'
diff --git a/app/models/pull_request.rb b/app/models/pull_request.rb
index a82fa1999..dabb87eb9 100644
--- a/app/models/pull_request.rb
+++ b/app/models/pull_request.rb
@@ -1,7 +1,4 @@
 class PullRequest < ActiveRecord::Base
-  extend StateMachine::MacroMethods # no method state_machine WTF?!
-  #TODO add validates to serialized data
-
   belongs_to :issue, :autosave => true, :dependent => :destroy, :touch => true, :validate => true
   belongs_to :base_project, :class_name => 'Project', :foreign_key => 'base_project_id'
   belongs_to :head_project, :class_name => 'Project', :foreign_key => 'head_project_id'