diff --git a/vcg/complex/trimesh/clustering.h b/vcg/complex/trimesh/clustering.h
index 39e480b0..7becb097 100644
--- a/vcg/complex/trimesh/clustering.h
+++ b/vcg/complex/trimesh/clustering.h
@@ -269,7 +269,7 @@ class Clustering
   }
   
   
-  BasicGrid<CellType,ScalarType> Grid;
+  BasicGrid<ScalarType> Grid;
 
 #ifdef _MSC_VER
   STDEXT::hash_set<SimpleTri> TriSet;
diff --git a/vcg/space/index/grid_static_obj.h b/vcg/space/index/grid_static_obj.h
index ae1da114..a8847119 100644
--- a/vcg/space/index/grid_static_obj.h
+++ b/vcg/space/index/grid_static_obj.h
@@ -59,7 +59,7 @@ and contains one istance of the template class.
 */
 
 template < class ObjType, class FLT=float  >
-class GridStaticObj : public BasicGrid<ObjType, FLT>
+class GridStaticObj : public BasicGrid<FLT>
 {
  public: