diff --git a/Polygon_mesh_processing/test/Polygon_mesh_processing/test_corefinement_and_constraints.cpp b/Polygon_mesh_processing/test/Polygon_mesh_processing/test_corefinement_and_constraints.cpp
index 7642f81f493..6508c453337 100644
--- a/Polygon_mesh_processing/test/Polygon_mesh_processing/test_corefinement_and_constraints.cpp
+++ b/Polygon_mesh_processing/test/Polygon_mesh_processing/test_corefinement_and_constraints.cpp
@@ -165,7 +165,6 @@ void test_bool_op_no_copy(
   assert( count_constrained_edges(tm2, ecm2)==307 );
 
   typedef std::optional<Triangle_mesh*> OTM;
-  Triangle_mesh *ptr = nullptr;
   const std::array<OTM,4> output =
     reverse ? CGAL::make_array(OTM(&tm2), OTM(&tm1), std::optional<Triangle_mesh*>(), std::optional<Triangle_mesh*>())
             : CGAL::make_array(OTM(&tm1), OTM(&tm2), std::optional<Triangle_mesh*>(), std::optional<Triangle_mesh*>());