From e6c97d95f33ff507ecad0cd2e207180b994c7c75 Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Wed, 10 May 2017 16:40:33 -0600
Subject: [PATCH] Avoid warnings about unused function arguments.

---
 source/geometry_model/interface.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/geometry_model/interface.cc b/source/geometry_model/interface.cc
index cc816377eaf..d772b06c088 100644
--- a/source/geometry_model/interface.cc
+++ b/source/geometry_model/interface.cc
@@ -66,7 +66,7 @@ namespace aspect
 
     template <int dim>
     std::array<double,dim>
-    Interface<dim>::cartesian_to_natural_coodinates(const Point<dim> &position) const
+    Interface<dim>::cartesian_to_natural_coodinates(const Point<dim> &) const
     {
       Assert (false,
               ExcMessage ("The cartesian_to_natural_coodinates function has "
@@ -75,7 +75,7 @@ namespace aspect
 
     template <int dim>
     Point<dim>
-    Interface<dim>::natural_to_cartesian_coodinates(const std::array<double,dim> &position) const
+    Interface<dim>::natural_to_cartesian_coodinates(const std::array<double,dim> &) const
     {
       Assert (false,
               ExcMessage ("The natural_to_cartesian_coodinates function has "