diff --git a/lib/jekyll.rb b/lib/jekyll.rb
index 4f3bc1cc..0728a8b5 100644
--- a/lib/jekyll.rb
+++ b/lib/jekyll.rb
@@ -40,6 +40,7 @@ require 'jekyll/draft'
 require 'jekyll/filters'
 require 'jekyll/static_file'
 require 'jekyll/errors'
+require 'jekyll/related_posts'
 
 # extensions
 require 'jekyll/plugin'
diff --git a/lib/jekyll/post.rb b/lib/jekyll/post.rb
index 287bade0..c5f5dc5e 100644
--- a/lib/jekyll/post.rb
+++ b/lib/jekyll/post.rb
@@ -1,5 +1,3 @@
-require 'jekyll/related_posts'
-
 module Jekyll
   class Post
     include Comparable