diff --git a/Kernel_d/include/CGAL/Kernel_d/function_objectsCd.h b/Kernel_d/include/CGAL/Kernel_d/function_objectsCd.h
index 3c82d134f6c..12321c69166 100644
--- a/Kernel_d/include/CGAL/Kernel_d/function_objectsCd.h
+++ b/Kernel_d/include/CGAL/Kernel_d/function_objectsCd.h
@@ -144,7 +144,6 @@ public:
     result_type operator()(Forward_iterator start, Forward_iterator end) const
     {
         CGAL_assertion(start!=end);
-        CGAL_USE(d);
         int d = start->dimension();
         Matrix M(d);
         Vector b(d);