diff --git a/src/mgmt/nfd/channel-status.hpp b/src/mgmt/nfd/channel-status.hpp
index 0345550..9aab7ae 100644
--- a/src/mgmt/nfd/channel-status.hpp
+++ b/src/mgmt/nfd/channel-status.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2017 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).
  *
@@ -38,11 +38,7 @@
   class Error : public tlv::Error
   {
   public:
-    explicit
-    Error(const std::string& what)
-      : tlv::Error(what)
-    {
-    }
+    using tlv::Error::Error;
   };
 
   ChannelStatus();
diff --git a/src/mgmt/nfd/control-parameters.hpp b/src/mgmt/nfd/control-parameters.hpp
index 2291096..77ca076 100644
--- a/src/mgmt/nfd/control-parameters.hpp
+++ b/src/mgmt/nfd/control-parameters.hpp
@@ -84,11 +84,7 @@
   class Error : public tlv::Error
   {
   public:
-    explicit
-    Error(const std::string& what)
-      : tlv::Error(what)
-    {
-    }
+    using tlv::Error::Error;
   };
 
   ControlParameters();
diff --git a/src/mgmt/nfd/cs-info.hpp b/src/mgmt/nfd/cs-info.hpp
index cdd38a9..99c77fc 100644
--- a/src/mgmt/nfd/cs-info.hpp
+++ b/src/mgmt/nfd/cs-info.hpp
@@ -40,11 +40,7 @@
   class Error : public tlv::Error
   {
   public:
-    explicit
-    Error(const std::string& what)
-      : tlv::Error(what)
-    {
-    }
+    using tlv::Error::Error;
   };
 
   CsInfo();
diff --git a/src/mgmt/nfd/face-query-filter.hpp b/src/mgmt/nfd/face-query-filter.hpp
index 4b35293..96bd7b7 100644
--- a/src/mgmt/nfd/face-query-filter.hpp
+++ b/src/mgmt/nfd/face-query-filter.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2017 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).
  *
@@ -39,11 +39,7 @@
   class Error : public tlv::Error
   {
   public:
-    explicit
-    Error(const std::string& what)
-      : tlv::Error(what)
-    {
-    }
+    using tlv::Error::Error;
   };
 
   FaceQueryFilter();
diff --git a/src/mgmt/nfd/face-traits.hpp b/src/mgmt/nfd/face-traits.hpp
index 58a9245..dda9038 100644
--- a/src/mgmt/nfd/face-traits.hpp
+++ b/src/mgmt/nfd/face-traits.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
-/**
- * Copyright (c) 2013-2017 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).
  *
@@ -40,11 +40,7 @@
   class Error : public tlv::Error
   {
   public:
-    explicit
-    Error(const std::string& what)
-      : tlv::Error(what)
-    {
-    }
+    using tlv::Error::Error;
   };
 
   uint64_t
diff --git a/src/mgmt/nfd/fib-entry.hpp b/src/mgmt/nfd/fib-entry.hpp
index d91f651..b68e21f 100644
--- a/src/mgmt/nfd/fib-entry.hpp
+++ b/src/mgmt/nfd/fib-entry.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2017 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).
  *
@@ -37,11 +37,7 @@
   class Error : public tlv::Error
   {
   public:
-    explicit
-    Error(const std::string& what)
-      : tlv::Error(what)
-    {
-    }
+    using tlv::Error::Error;
   };
 
   NextHopRecord();
diff --git a/src/mgmt/nfd/forwarder-status.hpp b/src/mgmt/nfd/forwarder-status.hpp
index 33dd40a..f222f80 100644
--- a/src/mgmt/nfd/forwarder-status.hpp
+++ b/src/mgmt/nfd/forwarder-status.hpp
@@ -39,11 +39,7 @@
   class Error : public tlv::Error
   {
   public:
-    explicit
-    Error(const std::string& what)
-      : tlv::Error(what)
-    {
-    }
+    using tlv::Error::Error;
   };
 
   ForwarderStatus();
diff --git a/src/mgmt/nfd/rib-entry.hpp b/src/mgmt/nfd/rib-entry.hpp
index 1ea73d3..a04ffa1 100644
--- a/src/mgmt/nfd/rib-entry.hpp
+++ b/src/mgmt/nfd/rib-entry.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2017 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).
  *
@@ -45,11 +45,7 @@
   class Error : public tlv::Error
   {
   public:
-    explicit
-    Error(const std::string& what)
-      : tlv::Error(what)
-    {
-    }
+    using tlv::Error::Error;
   };
 
   Route();
diff --git a/src/mgmt/nfd/status-dataset.hpp b/src/mgmt/nfd/status-dataset.hpp
index f7f7917..c86155f 100644
--- a/src/mgmt/nfd/status-dataset.hpp
+++ b/src/mgmt/nfd/status-dataset.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2017 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).
  *
@@ -75,11 +75,7 @@
   class ParseResultError : public tlv::Error
   {
   public:
-    explicit
-    ParseResultError(const std::string& what)
-      : tlv::Error(what)
-    {
-    }
+    using tlv::Error::Error;
   };
 
 #ifdef DOXYGEN
diff --git a/src/mgmt/nfd/strategy-choice.hpp b/src/mgmt/nfd/strategy-choice.hpp
index 55871bb..d76d278 100644
--- a/src/mgmt/nfd/strategy-choice.hpp
+++ b/src/mgmt/nfd/strategy-choice.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2017 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).
  *
@@ -39,11 +39,7 @@
   class Error : public tlv::Error
   {
   public:
-    explicit
-    Error(const std::string& what)
-      : tlv::Error(what)
-    {
-    }
+    using tlv::Error::Error;
   };
 
   StrategyChoice();