diff --git a/src/OBJECT/SMESH_Actor.cxx b/src/OBJECT/SMESH_Actor.cxx
index 5b4d9b375..16cd3666a 100644
--- a/src/OBJECT/SMESH_Actor.cxx
+++ b/src/OBJECT/SMESH_Actor.cxx
@@ -1281,7 +1281,6 @@ vtkUnstructuredGrid* SMESH_ActorDef::GetUnstructuredGrid(){
 
 bool SMESH_ActorDef::IsInfinitive(){
   vtkDataSet *aDataSet = myPickableActor->GetUnstructuredGrid();
-  //aDataSet->Update(); // OUV_PORTING_VTK6: seems to be useless
   myIsInfinite = aDataSet->GetNumberOfCells() == 0 ||
     ( aDataSet->GetNumberOfCells() == 1 && 
     aDataSet->GetCell(0)->GetCellType() == VTK_VERTEX );
diff --git a/src/OBJECT/SMESH_DeviceActor.cxx b/src/OBJECT/SMESH_DeviceActor.cxx
index e04be9967..dc878600a 100644
--- a/src/OBJECT/SMESH_DeviceActor.cxx
+++ b/src/OBJECT/SMESH_DeviceActor.cxx
@@ -250,7 +250,6 @@ SMESH_DeviceActor
     myPassFilter[ anId + 1 ]->SetInputConnection( myPassFilter[ anId ]->GetOutputPort() );
 
     anId++; // 5
-    // OUV_PORTING_VTK6: to check
     myMapper->SetInputConnection( myPassFilter[ anId ]->GetOutputPort() );
 
     vtkLODActor::SetMapper( myMapper );