diff --git a/src/one-body-sample.cc b/src/one-body-sample.cc
index 55dda18d421e12e2f3e32b7364460db31db170ab..e024ada19314633da713d86d9ae9e1a44c8d4607 100644
--- a/src/one-body-sample.cc
+++ b/src/one-body-sample.cc
@@ -72,7 +72,6 @@ void setup_boundary(GridView const &gridView,
   size_t frictional_nodes = 0;
   for (VertexLeafIterator it = gridView.template begin<dim>();
        it != gridView.template end<dim>(); ++it) {
-    Dune::GeometryType const gt = it->type();
     assert(it->geometry().corners() == 1);
     Dune::FieldVector<double, dim> const coordinates = it->geometry().corner(0);
     if (coordinates[1] == end_points[0]) {