diff --git a/library/PolyVoxCore/include/PolyVoxCore/CubicSurfaceExtractorWithNormals.h b/library/PolyVoxCore/include/PolyVoxCore/CubicSurfaceExtractorWithNormals.h
index 70266813..cf5bd70e 100644
--- a/library/PolyVoxCore/include/PolyVoxCore/CubicSurfaceExtractorWithNormals.h
+++ b/library/PolyVoxCore/include/PolyVoxCore/CubicSurfaceExtractorWithNormals.h
@@ -40,7 +40,6 @@ namespace PolyVox
 		void execute();
 
 	private:
-		//polyvox_function<bool(typename VolumeType::VoxelType voxel0, typename VolumeType::VoxelType voxel1, float& materialToUse)> m_funcIsQuadNeededCallback;
 		IsQuadNeeded m_funcIsQuadNeededCallback;
 
 		//The volume data and a sampler to access it.
diff --git a/library/PolyVoxCore/include/PolyVoxImpl/TypeDef.h b/library/PolyVoxCore/include/PolyVoxImpl/TypeDef.h
index d8ab9229..5720b126 100644
--- a/library/PolyVoxCore/include/PolyVoxImpl/TypeDef.h
+++ b/library/PolyVoxCore/include/PolyVoxImpl/TypeDef.h
@@ -69,9 +69,6 @@ freely, subject to the following restrictions:
 	#include <boost/function.hpp>
 	#define polyvox_function boost::function
 
-	#include <boost/functional/hash.hpp>
-	#define polyvox_hash boost::hash
-
 	#include <boost/bind.hpp>
 	#define polyvox_bind boost::bind
 	#define polyvox_placeholder_1 _1
@@ -100,7 +97,6 @@ freely, subject to the following restrictions:
 	#define polyvox_bind std::bind
 	#define polyvox_placeholder_1 std::placeholders::_1
 	#define polyvox_placeholder_2 std::placeholders::_2
-	#define polyvox_hash std::hash
 	//#define static_assert static_assert //we can use this
 #endif