diff --git a/src/surface/isopowerlaw.cpp b/src/surface/isopowerlaw.cpp
index 5567cab..90784b6 100644
--- a/src/surface/isopowerlaw.cpp
+++ b/src/surface/isopowerlaw.cpp
@@ -1,102 +1,101 @@
/**
* @file
* @section LICENSE
*
* Copyright (©) 2016-2020 EPFL (École Polytechnique Fédérale de Lausanne),
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*
*/
/* -------------------------------------------------------------------------- */
#include "isopowerlaw.hh"
-#include "fftransform.hh"
#include