diff --git a/examples/custom-strategies/custom-strategy.cc b/examples/custom-strategies/custom-strategy.cc
index 05e7e83..b1bb6c2 100644
--- a/examples/custom-strategies/custom-strategy.cc
+++ b/examples/custom-strategies/custom-strategy.cc
@@ -44,8 +44,7 @@
 
 bool
 CustomStrategy::DoPropagateInterest (Ptr<Face> inFace,
-                                     Ptr<const Interest> header,
-                                     Ptr<const Packet> origPacket,
+                                     Ptr<const Interest> interest,
                                      Ptr<pit::Entry> pitEntry)
 {
   typedef fib::FaceMetricContainer::type::index<fib::i_metric>::type FacesByMetric;
@@ -57,7 +56,7 @@
   // forward to best-metric face
   if (faceIterator != faces.end ())
     {
-      if (TrySendOutInterest (inFace, faceIterator->GetFace (), header, origPacket, pitEntry))
+      if (TrySendOutInterest (inFace, faceIterator->GetFace (), interest, pitEntry))
         propagatedCount ++;
 
       faceIterator ++;
@@ -66,7 +65,7 @@
   // forward to second-best-metric face
   if (faceIterator != faces.end ())
     {
-      if (TrySendOutInterest (inFace, faceIterator->GetFace (), header, origPacket, pitEntry))
+      if (TrySendOutInterest (inFace, faceIterator->GetFace (), interest, pitEntry))
         propagatedCount ++;
 
       faceIterator ++;
@@ -76,8 +75,7 @@
 
 void
 CustomStrategy::DidSendOutInterest (Ptr<Face> inFace, Ptr<Face> outFace,
-                                    Ptr<const Interest> header,
-                                    Ptr<const Packet> origPacket,
+                                    Ptr<const Interest> interest,
                                     Ptr<pit::Entry> pitEntry)
 {
   m_counter ++;
diff --git a/examples/custom-strategies/custom-strategy.h b/examples/custom-strategies/custom-strategy.h
index 057669a..051901c 100644
--- a/examples/custom-strategies/custom-strategy.h
+++ b/examples/custom-strategies/custom-strategy.h
@@ -30,15 +30,13 @@
 protected:
   virtual bool
   DoPropagateInterest (Ptr<Face> incomingFace,
-                       Ptr<const Interest> header,
-                       Ptr<const Packet> origPacket,
+                       Ptr<const Interest> interest,
                        Ptr<pit::Entry> pitEntry);
 
 public:
   virtual void
   DidSendOutInterest (Ptr<Face> inFace, Ptr<Face> outFace,
-                      Ptr<const Interest> header,
-                      Ptr<const Packet> origPacket,
+                      Ptr<const Interest> interest,
                       Ptr<pit::Entry> pitEntry);
 
   virtual void