diff --git a/dumux/boxmodels/common/boxproblem.hh b/dumux/boxmodels/common/boxproblem.hh
index 4aeb1514d65bd3ef2cc6aa936a5000a03d959aa9..d64a04d0ce85bb8067115738980a95a4acaa680c 100644
--- a/dumux/boxmodels/common/boxproblem.hh
+++ b/dumux/boxmodels/common/boxproblem.hh
@@ -70,12 +70,7 @@ private:
         dimWorld = GridView::dimensionworld
     };
 
-    typedef typename GridView::template Codim<dim>::Entity Vertex;
-    typedef typename GridView::template Codim<dim>::Iterator VertexIterator;
-
-
     typedef typename GridView::template Codim<0>::Entity Element;
-    typedef typename GridView::Intersection Intersection;
 
     typedef typename GridView::template Codim<dim>::Entity Vertex;
     typedef typename GridView::template Codim<dim>::Iterator VertexIterator;
@@ -405,15 +400,6 @@ public:
                    "a initial() method.");
     }
 
-
-    /*!
-     * \brief Returns the maximum allowed time step size [s]
-     *
-     * By default this the time step size is unrestricted.
-     */
-    Scalar maxTimeStepSize() const 
-    { return std::numeric_limits<Scalar>::infinity(); }
-
     /*!
      * \brief If model coupling is used, this updates the parameters
      *        required to calculate the coupling fluxes between the