diff --git a/model/ndn-face.hpp b/model/ndn-face.hpp
index 2eeb969..73d4fb3 100644
--- a/model/ndn-face.hpp
+++ b/model/ndn-face.hpp
@@ -20,12 +20,20 @@
 #ifndef NDNSIM_NDN_FACE_HPP
 #define NDNSIM_NDN_FACE_HPP
 
+#include <boost/noncopyable.hpp>
+
 namespace ns3 {
 namespace ndn {
 
-class Face {
+class Face : boost::noncopyable {
 };
 
+inline std::ostream&
+operator<<(std::ostream& os, const Face& face)
+{
+  return os;
+}
+
 } // namespace ndn
 } // namespace ns3