diff --git a/src/osgUtil/CullVisitor.cpp b/src/osgUtil/CullVisitor.cpp
index e9e5b4789..b80e63430 100644
--- a/src/osgUtil/CullVisitor.cpp
+++ b/src/osgUtil/CullVisitor.cpp
@@ -1108,9 +1108,9 @@ void CullVisitor::apply(Billboard& node)
                                     <<"    depth="<<depth<<", pos=("<<pos<<"),"<<std::endl
                                     <<"    *billboard_matrix="<<*billboard_matrix<<std::endl;
             OSG_DEBUG << "    NodePath:" << std::endl;
-            for (NodePath::const_iterator i = getNodePath().begin(); i != getNodePath().end(); ++i)
+            for (NodePath::const_iterator itr = getNodePath().begin(); itr != getNodePath().end(); ++itr)
             {
-                OSG_DEBUG << "        \"" << (*i)->getName() << "\"" << std::endl;
+                OSG_DEBUG << "        \"" << (*itr)->getName() << "\"" << std::endl;
             }
         }
         else
diff --git a/src/osgUtil/DelaunayTriangulator.cpp b/src/osgUtil/DelaunayTriangulator.cpp
index b4539ebef..7c8539d31 100644
--- a/src/osgUtil/DelaunayTriangulator.cpp
+++ b/src/osgUtil/DelaunayTriangulator.cpp
@@ -838,11 +838,10 @@ bool DelaunayTriangulator::triangulate()
 
     // begin triangulation
     GLuint pidx = 0;
-    osg::Vec3Array::const_iterator i;
 
     OSG_INFO << "DelaunayTriangulator: triangulating vertex grid (" << (points->size()-3) <<" points)\n";
 
-    for (i=points->begin(); i!=points->end(); ++i, ++pidx)
+    for (osg::Vec3Array::const_iterator i=points->begin(); i!=points->end(); ++i, ++pidx)
     {
 
         // don't process supertriangle vertices
diff --git a/src/osgUtil/IncrementalCompileOperation.cpp b/src/osgUtil/IncrementalCompileOperation.cpp
index 78914f445..8cf2a2c78 100644
--- a/src/osgUtil/IncrementalCompileOperation.cpp
+++ b/src/osgUtil/IncrementalCompileOperation.cpp
@@ -677,9 +677,6 @@ void IncrementalCompileOperation::operator () (osg::GraphicsContext* context)
     OSG_NOTIFY(level)<<"    currentTime = "<<currentTime<<std::endl;
     OSG_NOTIFY(level)<<"    currentElapsedFrameTime = "<<currentElapsedFrameTime<<std::endl;
 
-    double _flushTimeRatio(0.5);
-    double _conservativeTimeRatio(0.5);
-
     double availableTime = std::max((targetFrameTime - currentElapsedFrameTime)*_conservativeTimeRatio,
                                     minimumTimeAvailableForGLCompileAndDeletePerFrame);