diff --git a/Modules/Nonunit/Review/test/itkVectorCentralDifferenceImageFunctionTest.cxx b/Modules/Nonunit/Review/test/itkVectorCentralDifferenceImageFunctionTest.cxx
index 73d0975244..559354c1b7 100644
--- a/Modules/Nonunit/Review/test/itkVectorCentralDifferenceImageFunctionTest.cxx
+++ b/Modules/Nonunit/Review/test/itkVectorCentralDifferenceImageFunctionTest.cxx
@@ -40,11 +40,11 @@ int itkVectorCentralDifferenceImageFunctionTest(int, char* [] )
   iter.GoToBegin();
   unsigned int counter = 0;
 
-  while ( !iter.IsAtEnd() )
-    {
-    iter.Set( counter++ );
-    ++iter;
-    }
+  //  while ( !iter.IsAtEnd() )
+  //    {
+  //    iter.Set( counter++ );
+  //    ++iter;
+  //    }
 
   // set up central difference calculator
   typedef float CoordRepType;