diff --git a/Gemfile b/Gemfile
index f183e61..9311b4f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,6 @@ gemspec
 
 group :development do
   gem "minitest", ">= 2.5.0"
-  gem "rake"
   gem "yard"
   gem "rdiscount"
   gem "simplecov", '>= 0.5.2'
diff --git a/Gemfile.lock b/Gemfile.lock
index 8042f49..2f06cd1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -106,7 +106,6 @@ DEPENDENCIES
   mantisrb!
   minitest (>= 2.5.0)
   pry (>= 0.9.5)
-  rake
   rb-fchange
   rb-fsevent
   rb-notifu
diff --git a/Rakefile b/Rakefile
index cd73a07..663097f 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,12 +1,9 @@
-require 'simplecov'
-SimpleCov.start do 
-  add_filter 'spec/'
-end
+require 'bundler/setup'
+Bundler.require(:default, :development, :guard)
 require 'bundler/gem_tasks'
 require 'rake/testtask'
 require 'rake/clean'
-require 'rake'
-require 'yard'
+
 
 CLOBBER.include('pkg')
 CLOBBER.include('coverage')