diff --git a/tests/unit-tests/util/indented-stream.t.cpp b/tests/unit-tests/util/indented-stream.t.cpp
index bc033ff..e450c4a 100644
--- a/tests/unit-tests/util/indented-stream.t.cpp
+++ b/tests/unit-tests/util/indented-stream.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
-/**
- * Copyright (c) 2013-2016 Regents of the University of California.
+/*
+ * Copyright (c) 2013-2018 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -22,7 +22,6 @@
 #include "util/indented-stream.hpp"
 
 #include "boost-test.hpp"
-#include <boost/test/output_test_stream.hpp>
 
 namespace ndn {
 namespace util {