diff --git a/Orthtree/include/CGAL/Orthtree_traits_base_for_dimension.h b/Orthtree/include/CGAL/Orthtree_traits_base_for_dimension.h
index fb7d4f6b2f9..55692b2ffba 100644
--- a/Orthtree/include/CGAL/Orthtree_traits_base_for_dimension.h
+++ b/Orthtree/include/CGAL/Orthtree_traits_base_for_dimension.h
@@ -119,7 +119,6 @@ template <typename K>
 struct Orthtree_traits_base_for_dimension<K, Dimension_tag<3>> {
   /// \name Types
   /// @{
-  using GeomTraits = K;
   using Dimension = Dimension_tag<3>;
   using FT = typename K::FT;
   using Point_d = typename K::Point_3;
diff --git a/Shape_detection/include/CGAL/Shape_detection/Efficient_RANSAC/Octree.h b/Shape_detection/include/CGAL/Shape_detection/Efficient_RANSAC/Octree.h
index 12de48cc60f..0aa26c50521 100644
--- a/Shape_detection/include/CGAL/Shape_detection/Efficient_RANSAC/Octree.h
+++ b/Shape_detection/include/CGAL/Shape_detection/Efficient_RANSAC/Octree.h
@@ -56,7 +56,7 @@ class RANSAC_octree {
   typedef std::vector<std::size_t> Input_range;
   typedef Random_index_access_property_map<Input_iterator, Point_map> Indexed_point_map;
 
-  typedef Orthtree_traits_point_3<typename Traits_base<Traits>::type, Input_range, Indexed_point_map> OTraits;
+  typedef Orthtree_traits_point<typename Traits_base<Traits>::type, Input_range, Indexed_point_map, Dimension_tag<3>> OTraits;
 
   typedef CGAL::Orthtree<OTraits> Octree;