diff --git a/Mesh_3/include/CGAL/Mesh_3/mesh_standard_cell_criteria.h b/Mesh_3/include/CGAL/Mesh_3/mesh_standard_cell_criteria.h
index 4c8f4ea29b2..5fed977c7ef 100644
--- a/Mesh_3/include/CGAL/Mesh_3/mesh_standard_cell_criteria.h
+++ b/Mesh_3/include/CGAL/Mesh_3/mesh_standard_cell_criteria.h
@@ -151,7 +151,7 @@ public:
   // Destructor
   ~Cell_uniform_size_criterion() {}
 
-  const bool is_lower_bound() const
+  bool is_lower_bound() const
   {
     return is_lower_bound_;
   }
diff --git a/Mesh_3/include/CGAL/Mesh_3/mesh_standard_facet_criteria.h b/Mesh_3/include/CGAL/Mesh_3/mesh_standard_facet_criteria.h
index 7c6160c534a..ed57357bda9 100644
--- a/Mesh_3/include/CGAL/Mesh_3/mesh_standard_facet_criteria.h
+++ b/Mesh_3/include/CGAL/Mesh_3/mesh_standard_facet_criteria.h
@@ -404,7 +404,7 @@ public:
    , is_lower_bound_(is_lower_bound)
    {}
 
-  const bool is_lower_bound() const
+  bool is_lower_bound() const
   {
     return is_lower_bound_;
   }