diff --git a/vcg/simplex/faceplus/component_ocf.h b/vcg/simplex/faceplus/component_ocf.h
index aedce687..467f8d48 100644
--- a/vcg/simplex/faceplus/component_ocf.h
+++ b/vcg/simplex/faceplus/component_ocf.h
@@ -612,6 +612,7 @@ public:
   static bool HasWedgeTexCoordOcf()   { return false; }
   static bool HasFFAdjacencyOcf()   { return false; }
   static bool HasVFAdjacencyOcf()   { return false; }
+  //static bool HasFaceQualityOcf()   { return false; }
 
   inline int Index() const {
     typename T::FaceType const *tp=static_cast<typename T::FaceType const *>(this);