diff --git a/model/ccnx-pit.cc b/model/ccnx-pit.cc
index e9c1f1b..e72c5e5 100644
--- a/model/ccnx-pit.cc
+++ b/model/ccnx-pit.cc
@@ -112,13 +112,14 @@
   NS_LOG_LOGIC ("Cleaning PIT. Total: " << size ());
   Time now = Simulator::Now ();
 
-  uint32_t count = 0;
+  // uint32_t count = 0;
   while (!empty ())
     {
-      if (get<i_timestamp> ().front ().GetExpireTime () <= now) // is the record stale?
+      CcnxPit::index<i_timestamp>::type::iterator entry = get<i_timestamp> ().begin ();
+      if (entry->GetExpireTime () <= now) // is the record stale?
         {
-          get<i_timestamp> ().pop_front ();
-          count ++;
+          get<i_timestamp> ().erase (entry);
+          // count ++;
         }
       else
         break; // nothing else to do. All later records will not be stale
diff --git a/model/ccnx-pit.h b/model/ccnx-pit.h
index 2fbafaa..565026a 100644
--- a/model/ccnx-pit.h
+++ b/model/ccnx-pit.h
@@ -35,7 +35,6 @@
 #include <boost/multi_index/hashed_index.hpp>
 #include <boost/multi_index/member.hpp>
 #include <boost/multi_index/mem_fun.hpp>
-#include <boost/multi_index/sequenced_index.hpp>
 #include <map>
 #include <iostream>
 #include <algorithm>
@@ -83,8 +82,10 @@
         CcnxPrefixHash
         >,
       // sequenced to implement MRU
-      boost::multi_index::sequenced<
-        boost::multi_index::tag<__ccnx_private::i_timestamp> >
+      boost::multi_index::ordered_non_unique<
+        boost::multi_index::tag<__ccnx_private::i_timestamp>,
+        boost::multi_index::member<CcnxPitEntry, Time, &CcnxPitEntry::m_expireTime>
+        >
       >
     > type;
 };