diff --git a/src/util/face-uri.cpp b/src/util/face-uri.cpp
index c09da8a..e58dd1d 100644
--- a/src/util/face-uri.cpp
+++ b/src/util/face-uri.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014-2016, Regents of the University of California,
+ * Copyright (c) 2014-2017, Regents of the University of California,
  *                          Arizona Board of Regents,
  *                          Colorado State University,
  *                          University Pierre & Marie Curie, Sorbonne University,
@@ -29,7 +29,6 @@
 #include "dns.hpp"
 #include "ethernet.hpp"
 
-#include <boost/concept_check.hpp>
 #include <boost/lexical_cast.hpp>
 #include <boost/mpl/vector.hpp>
 #include <boost/mpl/for_each.hpp>
diff --git a/src/util/logger.cpp b/src/util/logger.cpp
index 04ad954..8cb7d80 100644
--- a/src/util/logger.cpp
+++ b/src/util/logger.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) 2013-2017 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -26,7 +26,6 @@
 
 #include <cinttypes>
 #include <stdio.h>
-#include <type_traits>
 
 namespace ndn {
 namespace util {
diff --git a/src/util/notification-subscriber.hpp b/src/util/notification-subscriber.hpp
index 9387a24..be36d31 100644
--- a/src/util/notification-subscriber.hpp
+++ b/src/util/notification-subscriber.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014-2016 Regents of the University of California,
+ * Copyright (c) 2014-2017 Regents of the University of California,
  *                         Arizona Board of Regents,
  *                         Colorado State University,
  *                         University Pierre & Marie Curie, Sorbonne University,
@@ -34,7 +34,6 @@
 #include "time.hpp"
 #include "scheduler.hpp"
 #include "scheduler-scoped-event-id.hpp"
-#include <boost/concept_check.hpp>
 
 namespace ndn {
 namespace util {