diff --git a/lib/jekyll/tags/include.rb b/lib/jekyll/tags/include.rb
index 6d9e31cf..26fedb0e 100644
--- a/lib/jekyll/tags/include.rb
+++ b/lib/jekyll/tags/include.rb
@@ -148,9 +148,6 @@ eos
         File.read(file, file_read_opts(context))
       end
     end
-
-    class RelativeIncludeTag < IncludeTag
-    end
   end
 end