diff --git a/rib/rib.hpp b/rib/rib.hpp
index c555d21..ed9ca4e 100644
--- a/rib/rib.hpp
+++ b/rib/rib.hpp
@@ -29,7 +29,6 @@
 #include "rib-entry.hpp"
 #include "fib-update.hpp"
 #include "common.hpp"
-#include "rib-entry.hpp"
 #include <ndn-cxx/management/nfd-control-command.hpp>
 
 namespace nfd {
@@ -50,8 +49,6 @@
 
   Rib();
 
-  ~Rib();
-
   const_iterator
   find(const Name& prefix) const;
 
@@ -139,6 +136,10 @@
   void
   removeInheritedFacesFromEntry(RibEntry& entry, const Rib::FaceSet& facesToRemove);
 
+public:
+  ndn::util::EventEmitter<Name> afterInsertEntry;
+  ndn::util::EventEmitter<Name> afterEraseEntry;
+
 private:
   RibTable m_rib;
   FaceLookupTable m_faceMap;