diff --git a/daemon/face/internal-transport.cpp b/daemon/face/internal-transport.cpp
index a477b14..8f9da71 100644
--- a/daemon/face/internal-transport.cpp
+++ b/daemon/face/internal-transport.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2020,  Regents of the University of California,
+ * Copyright (c) 2014-2022,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -123,15 +123,5 @@
     m_forwarder->receivePacket(wire);
 }
 
-void
-InternalClientTransport::send(const Block& header, const Block& payload)
-{
-  ndn::EncodingBuffer encoder(header.size() + payload.size(), header.size() + payload.size());
-  encoder.appendByteArray(header.wire(), header.size());
-  encoder.appendByteArray(payload.wire(), payload.size());
-
-  send(encoder.block());
-}
-
 } // namespace face
 } // namespace nfd
diff --git a/daemon/face/internal-transport.hpp b/daemon/face/internal-transport.hpp
index fbe4f06..d729ecd 100644
--- a/daemon/face/internal-transport.hpp
+++ b/daemon/face/internal-transport.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2020,  Regents of the University of California,
+ * Copyright (c) 2014-2022,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -101,10 +101,7 @@
   receivePacket(const Block& packet) final;
 
   void
-  send(const Block& wire) final;
-
-  void
-  send(const Block& header, const Block& payload) final;
+  send(const Block& block) final;
 
   void
   close() final