diff --git a/lib/gem_ext/builder.rb b/lib/gem_ext/builder.rb
index 2c933c480..e5038592a 100644
--- a/lib/gem_ext/builder.rb
+++ b/lib/gem_ext/builder.rb
@@ -1,5 +1,3 @@
-require 'builder'
-
 class Builder::XmlMarkup
   def epp_head
     self.instruct!