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_
diff --git a/utils/trie/detail/multi-policy-container.hpp b/utils/trie/detail/multi-policy-container.hpp
index cf2634f..5c3450b 100644
--- a/utils/trie/detail/multi-policy-container.hpp
+++ b/utils/trie/detail/multi-policy-container.hpp
@@ -20,6 +20,8 @@
 #ifndef MULTI_POLICY_CONTAINER_H_
 #define MULTI_POLICY_CONTAINER_H_
 
+/// @cond include_hidden
+
 #include <boost/mpl/inherit_linearly.hpp>
 #include <boost/mpl/at.hpp>
 
@@ -207,4 +209,6 @@
 } // ndn
 } // ns3
 
+/// @endcond
+
 #endif // MULTI_POLICY_CONTAINER_H_
diff --git a/utils/trie/detail/multi-type-container.hpp b/utils/trie/detail/multi-type-container.hpp
index 84e2f55..f84f860 100644
--- a/utils/trie/detail/multi-type-container.hpp
+++ b/utils/trie/detail/multi-type-container.hpp
@@ -20,6 +20,8 @@
 #ifndef MULTI_TYPE_CONTAINER_H_
 #define MULTI_TYPE_CONTAINER_H_
 
+/// @cond include_hidden
+
 #include <boost/mpl/inherit_linearly.hpp>
 #include <boost/mpl/inherit.hpp>
 #include <boost/mpl/at.hpp>
@@ -79,4 +81,6 @@
 } // ndn
 } // ns3
 
+/// @cond include_hidden
+
 #endif // MULTI_TYPE_CONTAINER_H_