diff --git a/src/one-body-sample.cc b/src/one-body-sample.cc
index f7dedf7750f30841c45b1b79b00fbdba2e11c4b7..a815fb4b38573cc977d005ba4e83595796a216d9 100644
--- a/src/one-body-sample.cc
+++ b/src/one-body-sample.cc
@@ -84,24 +84,18 @@ void setup_boundary(GridView const &gridView,
   Dune::MultipleCodimMultipleGeomTypeMapper<
       GridView, Dune::MCMGVertexLayout> const myVertexMapper(gridView);
 
-  size_t dirichlet_nodes = 0;
-  size_t neumann_nodes = 0;
-  size_t frictional_nodes = 0;
   for (auto it = gridView.template begin<dim>();
        it != gridView.template end<dim>(); ++it) {
     assert(it->geometry().corners() == 1);
     Dune::FieldVector<double, dim> const coordinates = it->geometry().corner(0);
     if (coordinates[1] == 1) {
-      ++dirichlet_nodes;
       size_t const id = myVertexMapper.map(*it);
       ignoreNodes[id] = true;
     } else if (coordinates[1] == 0) {
-      ++frictional_nodes;
       size_t const id = myVertexMapper.map(*it);
       frictionalNodes[id] = true;
       ignoreNodes[id][1] = true; // Zero displacement in direction y
     } else if (coordinates[0] == 0 || coordinates[0] == 1) {
-      ++neumann_nodes;
       size_t const id = myVertexMapper.map(*it);
       neumannNodes[id] = true;
     }