From dbae008a35eb4add03a118a290d68a32c05220b8 Mon Sep 17 00:00:00 2001
From: Timo Heister <timo.heister@gmail.com>
Date: Fri, 10 Jan 2020 13:37:48 -0500
Subject: [PATCH] address comment

---
 source/multigrid/mg_transfer_block.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/multigrid/mg_transfer_block.cc b/source/multigrid/mg_transfer_block.cc
index 388718b0bc..da99f90a95 100644
--- a/source/multigrid/mg_transfer_block.cc
+++ b/source/multigrid/mg_transfer_block.cc
@@ -205,7 +205,7 @@ MGTransferBlock<number>::copy_to_mg(
 template <int dim, int spacedim>
 void
 MGTransferBlockBase::build_matrices(
-  const DoFHandler<dim, spacedim> &dof,
+  const DoFHandler<dim, spacedim> & /*dof*/,
   const DoFHandler<dim, spacedim> &mg_dof_handler)
 {
   build(mg_dof_handler);
-- 
2.39.5