diff --git a/Polyhedron/demo/Polyhedron/Scene_polyhedron_item.cpp b/Polyhedron/demo/Polyhedron/Scene_polyhedron_item.cpp
index c813529a2de..f1cba5c3193 100644
--- a/Polyhedron/demo/Polyhedron/Scene_polyhedron_item.cpp
+++ b/Polyhedron/demo/Polyhedron/Scene_polyhedron_item.cpp
@@ -153,7 +153,7 @@ Scene_polyhedron_item::triangulate_facet(Facet_iterator fit)
         fit2->info().is_external = false;
     }
     //check if the facet is external or internal
-    std::queue<typename CDT::Face_handle> face_queue;
+    std::queue<CDT::Face_handle> face_queue;
     face_queue.push(cdt.infinite_vertex()->face());
     while(! face_queue.empty() ) {
         CDT::Face_handle fh = face_queue.front();
@@ -251,7 +251,7 @@ Scene_polyhedron_item::triangulate_facet_color(Facet_iterator fit)
         afit->info().is_external = false;
     }
     //check if the facet is external or internal
-    std::queue<typename CDT::Face_handle> face_queue;
+    std::queue<CDT::Face_handle> face_queue;
     face_queue.push(cdt.infinite_vertex()->face());
     while(! face_queue.empty() ) {
         CDT::Face_handle fh = face_queue.front();
@@ -469,7 +469,7 @@ Scene_polyhedron_item::compute_normals_and_vertices(void)
                 else if (cur_shading == Gouraud)
                 {
 
-                    Vector n = compute_vertex_normal<typename Polyhedron::Vertex,Kernel>(*he->vertex());
+                    Vector n = compute_vertex_normal<Polyhedron::Vertex,Kernel>(*he->vertex());
                     normals.push_back(n.x());
                     normals.push_back(n.y());
                     normals.push_back(n.z());
diff --git a/Polyhedron/demo/Polyhedron/include/Point_set_3.h b/Polyhedron/demo/Polyhedron/include/Point_set_3.h
index db351896c4a..ad65300c525 100644
--- a/Polyhedron/demo/Polyhedron/include/Point_set_3.h
+++ b/Polyhedron/demo/Polyhedron/include/Point_set_3.h
@@ -344,7 +344,6 @@ private:
     // Computes bounding sphere
     typedef CGAL::Min_sphere_of_points_d_traits_3<Gt,FT> Traits;
     typedef CGAL::Min_sphere_of_spheres_d<Traits> Min_sphere;
-    typedef typename Traits::Sphere Traits_sphere;
 
     Min_sphere ms(begin(),end());