diff --git a/moses/TargetPhraseCollection.h b/moses/TargetPhraseCollection.h
index 4207bccef..696eed398 100644
--- a/moses/TargetPhraseCollection.h
+++ b/moses/TargetPhraseCollection.h
@@ -36,6 +36,7 @@ class TargetPhraseCollection
 protected:
   friend std::ostream& operator<<(std::ostream &, const TargetPhraseCollection &);
 
+  // TODO boost::ptr_vector
   std::vector<TargetPhrase*> m_collection;
 
 public:
@@ -57,7 +58,7 @@ public:
   }
 
   ~TargetPhraseCollection() {
-    RemoveAllInColl(m_collection);
+    Clear();
   }
 
   const std::vector<TargetPhrase*> &GetCollection() const {
@@ -83,6 +84,10 @@ public:
   void Prune(bool adhereTableLimit, size_t tableLimit);
   void Sort(bool adhereTableLimit, size_t tableLimit);
 
+  void Clear() {
+    RemoveAllInColl(m_collection); 
+  }
+
 };
 
 }
diff --git a/moses/TranslationModel/PhraseDictionaryMemory.cpp b/moses/TranslationModel/PhraseDictionaryMemory.cpp
index 4a1a86813..2caaa5aa9 100644
--- a/moses/TranslationModel/PhraseDictionaryMemory.cpp
+++ b/moses/TranslationModel/PhraseDictionaryMemory.cpp
@@ -70,14 +70,7 @@ const TargetPhraseCollection *PhraseDictionaryMemory::GetTargetPhraseCollection(
       return NULL;
   }
 
-  const TargetPhraseCollection *coll = currNode->GetTargetPhraseCollection();
-  /*
-  if (coll) {
-    cerr << "source=" << source << endl
-        << *coll << endl;
-  }
-  */
-  return coll;
+  return currNode->GetTargetPhraseCollection();
 }
 
 PhraseDictionaryNodeMemory &PhraseDictionaryMemory::GetOrCreateNode(const Phrase &source
diff --git a/moses/TranslationModel/PhraseDictionaryNodeMemory.cpp b/moses/TranslationModel/PhraseDictionaryNodeMemory.cpp
index 389c74394..9bca9ee45 100644
--- a/moses/TranslationModel/PhraseDictionaryNodeMemory.cpp
+++ b/moses/TranslationModel/PhraseDictionaryNodeMemory.cpp
@@ -38,14 +38,6 @@ PhraseDictionaryNodeMemory::~PhraseDictionaryNodeMemory()
     const PhraseDictionaryNodeMemory *node = iter->second;
     delete node;
   }
-  delete m_targetPhraseCollection;
-}
-
-TargetPhraseCollection &PhraseDictionaryNodeMemory::GetOrCreateTargetPhraseCollection()
-{
-  if (m_targetPhraseCollection == NULL)
-    m_targetPhraseCollection = new TargetPhraseCollection();
-  return *m_targetPhraseCollection;
 }
 
 void PhraseDictionaryNodeMemory::Prune(size_t tableLimit)
@@ -59,8 +51,7 @@ void PhraseDictionaryNodeMemory::Prune(size_t tableLimit)
   }
 
   // prune TargetPhraseCollection in this node
-  if (m_targetPhraseCollection != NULL)
-    m_targetPhraseCollection->Prune(true, tableLimit);
+  m_targetPhraseCollection.Prune(true, tableLimit);
 }
 
 void PhraseDictionaryNodeMemory::Sort(size_t tableLimit)
@@ -74,9 +65,7 @@ void PhraseDictionaryNodeMemory::Sort(size_t tableLimit)
   }
 
   // prune TargetPhraseCollection in this node
-  if (m_targetPhraseCollection != NULL) {
-    m_targetPhraseCollection->Sort(true, tableLimit);
-  }
+  m_targetPhraseCollection.Sort(true, tableLimit);
 }
 
 PhraseDictionaryNodeMemory *PhraseDictionaryNodeMemory::GetOrCreateChild(const Word &sourceTerm)
@@ -138,8 +127,7 @@ void PhraseDictionaryNodeMemory::Clear()
 {
   m_sourceTermMap.clear();
   m_nonTermMap.clear();
-  delete m_targetPhraseCollection;
-
+  m_targetPhraseCollection.Clear();
 }
 
 std::ostream& operator<<(std::ostream &out, const PhraseDictionaryNodeMemory &node)
diff --git a/moses/TranslationModel/PhraseDictionaryNodeMemory.h b/moses/TranslationModel/PhraseDictionaryNodeMemory.h
index 17c477b41..0cdae42d7 100644
--- a/moses/TranslationModel/PhraseDictionaryNodeMemory.h
+++ b/moses/TranslationModel/PhraseDictionaryNodeMemory.h
@@ -120,14 +120,12 @@ private:
   friend class std::map<Word, PhraseDictionaryNodeMemory>;
   friend class std::map<long, PhraseDictionaryNodeMemory>;
 
-protected:
   TerminalMap m_sourceTermMap;
   NonTerminalMap m_nonTermMap;
-  TargetPhraseCollection *m_targetPhraseCollection;
+  TargetPhraseCollection m_targetPhraseCollection;
+
+  PhraseDictionaryNodeMemory() {}
 
-  PhraseDictionaryNodeMemory()
-    :m_targetPhraseCollection(NULL) {
-  }
 public:
   ~PhraseDictionaryNodeMemory();
 
@@ -143,9 +141,11 @@ public:
   const PhraseDictionaryNodeMemory *GetChild(const Word &sourceNonTerm, const Word &targetNonTerm) const;
 
   const TargetPhraseCollection *GetTargetPhraseCollection() const {
+    return &m_targetPhraseCollection;
+  }
+  TargetPhraseCollection &GetOrCreateTargetPhraseCollection() {
     return m_targetPhraseCollection;
   }
-  TargetPhraseCollection &GetOrCreateTargetPhraseCollection();
 
   const NonTerminalMap & GetNonTerminalMap() const {
     return m_nonTermMap;