diff --git a/mrblib/file.rb b/mrblib/file.rb
index f84bd0ed3..514efc1c6 100644
--- a/mrblib/file.rb
+++ b/mrblib/file.rb
@@ -1,6 +1,4 @@
 class File < IO
-  include Enumerable
-
   class FileError < Exception; end
   class NoFileError < FileError; end
   class UnableToStat < FileError; end