diff --git a/Lab/demo/Lab/Plugins/Convex_hull/Kernel_plugin.cpp b/Lab/demo/Lab/Plugins/Convex_hull/Kernel_plugin.cpp
index e59592c504b4..e5c91cfb9607 100644
--- a/Lab/demo/Lab/Plugins/Convex_hull/Kernel_plugin.cpp
+++ b/Lab/demo/Lab/Plugins/Convex_hull/Kernel_plugin.cpp
@@ -94,6 +94,7 @@ void CGAL_Lab_kernel_plugin::on_actionKernel_triggered()
 
     // get inside point
     Point inside_point = kernel.inside_point();
+    std::cout << std::setprecision(17) << inside_point << "\n";
     Vector translate = inside_point - CGAL::ORIGIN;
 
     // compute dual of translated polyhedron w.r.t. inside point.
@@ -131,9 +132,6 @@ void CGAL_Lab_kernel_plugin::on_actionKernel_triggered()
     typedef CGAL::Dual<SMesh> Dual;
     typedef boost::graph_traits<Dual>::vertex_descriptor dual_vertex_descriptor;
 
-    std::ofstream out("primal.off");
-    out << convex_hull << std::endl;
-    out.close();
     Dual dual(convex_hull);
 
     std::map<dual_vertex_descriptor,Point> vpm;