diff --git a/Orthtree/include/CGAL/Orthtree_traits_base.h b/Orthtree/include/CGAL/Orthtree_traits_base.h
index cd0669f3545..dc31ba2dd2f 100644
--- a/Orthtree/include/CGAL/Orthtree_traits_base.h
+++ b/Orthtree/include/CGAL/Orthtree_traits_base.h
@@ -91,7 +91,7 @@ struct Orthtree_traits_base {
 
   struct Construct_point_d {
     template <typename ...Args, typename T = std::common_type_t<Args...>>
-    typename Point_d operator()(Args ...args) {
+    Point_d operator()(Args ...args) {
       std::initializer_list<T> args_list{ args... };
       return Point_d{ static_cast<int>(args_list.size()), args_list.begin(), args_list.end() };
     }
diff --git a/Orthtree/include/CGAL/Orthtree_traits_point.h b/Orthtree/include/CGAL/Orthtree_traits_point.h
index b1277be1122..130d6f2a187 100644
--- a/Orthtree/include/CGAL/Orthtree_traits_point.h
+++ b/Orthtree/include/CGAL/Orthtree_traits_point.h
@@ -171,7 +171,7 @@ struct Orthtree_traits_point : public Orthtree_traits_base<GeomTraits, dimension
   struct Distribute_node_contents {
     const PointMap m_point_map;
     Distribute_node_contents(const PointMap& point_map) : m_point_map(point_map) {}
-    typename void operator()(Node_index n, Tree& tree, const typename Self::Point_d& center) {
+    void operator()(Node_index n, Tree& tree, const typename Self::Point_d& center) {
       CGAL_precondition(!tree.is_leaf(n));
       reassign_points(tree, m_point_map, n, center, tree.data(n));
     };