Cleanup iostream includes
Change-Id: I16dd945998463975b140c7a010d64a112f95d8ba
diff --git a/src/util/io.hpp b/src/util/io.hpp
index cad5a26..5a8034a 100644
--- a/src/util/io.hpp
+++ b/src/util/io.hpp
@@ -1,5 +1,5 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
-/**
+/*
* Copyright (c) 2013-2017 Regents of the University of California.
*
* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
@@ -25,7 +25,6 @@
#include "concepts.hpp"
#include "../encoding/block.hpp"
-#include <iostream>
#include <fstream>
namespace ndn {