diff --git a/include/osgUtil/CullVisitor b/include/osgUtil/CullVisitor
index 802e1275b..34ae7ffbe 100644
--- a/include/osgUtil/CullVisitor
+++ b/include/osgUtil/CullVisitor
@@ -354,8 +354,6 @@ class OSGUTIL_EXPORT CullVisitor : public osg::NodeVisitor, public osg::CullStac
         RenderBin*                _currentRenderBin;
         std::vector<RenderBin*>   _renderBinStack;
 
-        unsigned int             _traversalNumber;
-
         value_type               _computed_znear;
         value_type               _computed_zfar;
 
diff --git a/src/osgUtil/CullVisitor.cpp b/src/osgUtil/CullVisitor.cpp
index 9f8c36b0c..187bf3ceb 100644
--- a/src/osgUtil/CullVisitor.cpp
+++ b/src/osgUtil/CullVisitor.cpp
@@ -48,7 +48,6 @@ CullVisitor::CullVisitor():
     osg::NodeVisitor(CULL_VISITOR,TRAVERSE_ACTIVE_CHILDREN),
     _currentStateGraph(NULL),
     _currentRenderBin(NULL),
-    _traversalNumber(0),
     _computed_znear(FLT_MAX),
     _computed_zfar(-FLT_MAX),
     _currentReuseRenderLeafIndex(0),
@@ -63,7 +62,6 @@ CullVisitor::CullVisitor(const CullVisitor& rhs):
     CullStack(rhs),
     _currentStateGraph(NULL),
     _currentRenderBin(NULL),
-    _traversalNumber(0),
     _computed_znear(FLT_MAX),
     _computed_zfar(-FLT_MAX),
     _currentReuseRenderLeafIndex(0),