diff --git a/daemon/face/tcp-face.hpp b/daemon/face/tcp-face.hpp
index 21b13f2..1686403 100644
--- a/daemon/face/tcp-face.hpp
+++ b/daemon/face/tcp-face.hpp
@@ -41,32 +41,6 @@
   TcpLocalFace(const shared_ptr<protocol::socket>& socket);
 };
 
-//
-
-inline bool
-is_loopback(const boost::asio::ip::address& address)
-{
-#if BOOST_VERSION < 104700
-  if (address.is_v4())
-    {
-      return (address.to_v4().to_ulong() & 0xFF000000) == 0x7F000000;
-    }
-  else
-    {
-      boost::asio::ip::address_v6::bytes_type v6_addr = address.to_v6().to_bytes();
-      return ((v6_addr[0] == 0) && (v6_addr[1] == 0)
-              && (v6_addr[2] == 0) && (v6_addr[3] == 0)
-              && (v6_addr[4] == 0) && (v6_addr[5] == 0)
-              && (v6_addr[6] == 0) && (v6_addr[7] == 0)
-              && (v6_addr[8] == 0) && (v6_addr[9] == 0)
-              && (v6_addr[10] == 0) && (v6_addr[11] == 0)
-              && (v6_addr[12] == 0) && (v6_addr[13] == 0)
-              && (v6_addr[14] == 0) && (v6_addr[15] == 1));
-    }
-#else
-  return address.is_loopback();
-#endif
-}
 
 /** \brief Class validating use of TcpLocalFace
  */
@@ -80,8 +54,8 @@
   static void
   validateSocket(boost::asio::ip::tcp::socket& socket)
   {
-    if (!is_loopback(socket.local_endpoint().address()) ||
-        !is_loopback(socket.remote_endpoint().address()))
+    if (!socket.local_endpoint().address().is_loopback() ||
+        !socket.remote_endpoint().address().is_loopback())
       {
         throw Face::Error("TcpLocalFace can be created only on loopback interface");
       }