diff --git a/Codec/Archive/Tar/Index/Utils.hs b/Codec/Archive/Tar/Index/Utils.hs
index 421327c..b0178c4 100644
--- a/Codec/Archive/Tar/Index/Utils.hs
+++ b/Codec/Archive/Tar/Index/Utils.hs
@@ -1,4 +1,6 @@
 {-# LANGUAGE MagicHash, UnboxedTuples, BangPatterns, CPP #-}
+{-# OPTIONS_HADDOCK hide #-}
+
 module Codec.Archive.Tar.Index.Utils where
 
 import Data.ByteString as BS