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;