diff --git a/Modules/Visualization/MonteverdiCore/include/mvdStackedLayerModel.h b/Modules/Visualization/MonteverdiCore/include/mvdStackedLayerModel.h
index 5d7a0079274e6a4411aed97f3df6364f1a4cbf37..5e9758156a76a3f5925b7da696c368b2aa0db2aa 100644
--- a/Modules/Visualization/MonteverdiCore/include/mvdStackedLayerModel.h
+++ b/Modules/Visualization/MonteverdiCore/include/mvdStackedLayerModel.h
@@ -295,8 +295,6 @@ private:
 
   LayerModelMap m_LayerModels;
   KeyVector     m_Keys;
-  SizeType      m_Current{0,0};
-  SizeType      m_Reference{0,0};
 
   // Usually, information is a singular term which denotes a
   // plural. Since there's a container of several pixel-infos and we