diff --git a/moses/src/Incremental/Fill.cpp b/moses/src/Incremental/Fill.cpp
index 15d18c893..2246ea3a3 100644
--- a/moses/src/Incremental/Fill.cpp
+++ b/moses/src/Incremental/Fill.cpp
@@ -1,6 +1,5 @@
 #include "Incremental/Fill.h"
 
-#include "Incremental/Owner.h"
 #include "ChartCellLabel.h"
 #include "ChartCellLabelSet.h"
 #include "TargetPhraseCollection.h"
@@ -18,8 +17,8 @@
 namespace Moses {
 namespace Incremental {
 
-template <class Model> Fill<Model>::Fill(search::Context<Model> &context, const std::vector<lm::WordIndex> &vocab_mapping, Owner &owner) 
-  : context_(context), vocab_mapping_(vocab_mapping), owner_(owner), edges_(context.PopLimit()) {}
+template <class Model> Fill<Model>::Fill(search::Context<Model> &context, const std::vector<lm::WordIndex> &vocab_mapping) 
+  : context_(context), vocab_mapping_(vocab_mapping), edges_(context.PopLimit()) {}
 
 template <class Model> void Fill<Model>::Add(const TargetPhraseCollection &targets, const StackVec &nts, const WordsRange &) {
   const unsigned char arity = nts.size();
@@ -124,8 +123,8 @@ class HypothesisCallback {
 };
 } // namespace
 
-template <class Model> void Fill<Model>::Search(ChartCellLabelSet &out) {
-  HypothesisCallback callback(context_, out, owner_.VertexPool());
+template <class Model> void Fill<Model>::Search(ChartCellLabelSet &out, boost::object_pool<search::Vertex> &vertex_pool) {
+  HypothesisCallback callback(context_, out, vertex_pool);
   edges_.Search(context_, callback);
 }
 
diff --git a/moses/src/Incremental/Fill.h b/moses/src/Incremental/Fill.h
index 91b597006..d6d9d4f54 100644
--- a/moses/src/Incremental/Fill.h
+++ b/moses/src/Incremental/Fill.h
@@ -13,6 +13,7 @@
 
 namespace search {
 template <class Model> class Context;
+class Vertex;
 } // namespace search
 
 namespace Moses {
@@ -24,13 +25,12 @@ class ChartCellLabelSet;
 class TargetPhrase;
 
 namespace Incremental {
-class Owner;
 
 // Replacement for ChartTranslationOptionList
 // TODO: implement count and score thresholding.  
 template <class Model> class Fill : public ChartParserCallback {
   public:
-    Fill(search::Context<Model> &context, const std::vector<lm::WordIndex> &vocab_mapping, Owner &owner);
+    Fill(search::Context<Model> &context, const std::vector<lm::WordIndex> &vocab_mapping);
 
     void Add(const TargetPhraseCollection &targets, const StackVec &nts, const WordsRange &ignored);
 
@@ -38,7 +38,7 @@ template <class Model> class Fill : public ChartParserCallback {
 
     bool Empty() const { return edges_.Empty(); }
 
-    void Search(ChartCellLabelSet &out);
+    void Search(ChartCellLabelSet &out, boost::object_pool<search::Vertex> &vertex_pool);
     
   private:
     lm::WordIndex Convert(const Word &word) const ;
@@ -47,8 +47,6 @@ template <class Model> class Fill : public ChartParserCallback {
 
     const std::vector<lm::WordIndex> &vocab_mapping_;
 
-    Owner &owner_;
-
     search::EdgeQueue edges_;
 };
 
diff --git a/moses/src/Incremental/Manager.cpp b/moses/src/Incremental/Manager.cpp
index 0d63c641c..f6a13c14a 100644
--- a/moses/src/Incremental/Manager.cpp
+++ b/moses/src/Incremental/Manager.cpp
@@ -89,13 +89,16 @@ template <class Model> void Manager::LMCallback(const Model &model, const std::v
   search::Context<Model> context(config, model);
 
   size_t size = source_.GetSize();
+
+  boost::object_pool<search::Vertex> vertex_pool(std::max<size_t>(size * size / 2, 32));
+
   for (size_t width = 1; width <= size; ++width) {
     for (size_t startPos = 0; startPos <= size-width; ++startPos) {
       size_t endPos = startPos + width - 1;
       WordsRange range(startPos, endPos);
-      Fill<Model> filler(context, words, owner_);
+      Fill<Model> filler(context, words);
       parser_.Create(range, filler);
-      filler.Search(cells_.MutableBase(range).MutableTargetLabelSet());
+      filler.Search(cells_.MutableBase(range).MutableTargetLabelSet(), vertex_pool);
     }
   }
   BestString(cells_.GetBase(WordsRange(0, source_.GetSize() - 1)).GetTargetLabelSet(), output_);
diff --git a/moses/src/Incremental/Manager.h b/moses/src/Incremental/Manager.h
index b9105481f..1ca51a5c4 100644
--- a/moses/src/Incremental/Manager.h
+++ b/moses/src/Incremental/Manager.h
@@ -4,7 +4,6 @@
 
 #include "ChartCellCollection.h"
 #include "ChartParser.h"
-#include "Incremental/Owner.h"
 
 namespace Moses {
 class InputType;
@@ -28,7 +27,6 @@ class Manager {
     const TranslationSystem &system_;
     ChartCellCollectionBase cells_;
     ChartParser parser_;
-    Owner owner_;
 
     std::string output_;
 };
diff --git a/moses/src/Incremental/Owner.h b/moses/src/Incremental/Owner.h
deleted file mode 100644
index a7292afc9..000000000
--- a/moses/src/Incremental/Owner.h
+++ /dev/null
@@ -1,19 +0,0 @@
-#pragma once
-
-#include "search/vertex.hh"
-
-#include <boost/pool/object_pool.hpp>
-
-namespace Moses {
-namespace Incremental {
-
-class Owner {
-  public:
-    boost::object_pool<search::Vertex> &VertexPool() { return vertices_; }
-
-  private:
-    boost::object_pool<search::Vertex> vertices_;
-};
-
-} // namespace Incremental
-} // namespace Moses