diff --git a/tests/unit-tests/link.t.cpp b/tests/unit-tests/link.t.cpp
index a12793a..ac44917 100644
--- a/tests/unit-tests/link.t.cpp
+++ b/tests/unit-tests/link.t.cpp
@@ -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).
@@ -20,8 +20,6 @@
  */
 
 #include "link.hpp"
-#include "security/v1/cryptopp.hpp"
-#include "encoding/buffer-stream.hpp"
 
 #include "boost-test.hpp"
 #include "make-interest-data.hpp"