diff --git a/utils/trie/detail/functor-hook.hpp b/utils/trie/detail/functor-hook.hpp
index a638e59..17542ba 100644
--- a/utils/trie/detail/functor-hook.hpp
+++ b/utils/trie/detail/functor-hook.hpp
@@ -20,6 +20,8 @@
 #ifndef FUNCTOR_HOOK_H_
 #define FUNCTOR_HOOK_H_
 
+/// @cond include_hidden
+
 #include <boost/intrusive/parent_from_member.hpp>
 
 namespace ns3 {
@@ -73,4 +75,6 @@
 } // ndn
 } // ns3
 
+/// @endcond
+
 #endif // FUNCTOR_HOOK_H_