diff --git a/src/lclayout/place/eulertours.py b/src/lclayout/place/eulertours.py
index 968a405be065f0397cce33432f4e424fc7f6bf9e..791c6a211b3d2f106bb77946f6b1e7330dd760c5 100644
--- a/src/lclayout/place/eulertours.py
+++ b/src/lclayout/place/eulertours.py
@@ -1,4 +1,3 @@
-# Copyright 2019-2020 Thomas Kramer.
 # SPDX-FileCopyrightText: 2022 Thomas Kramer
 #
 # SPDX-License-Identifier: CERN-OHL-S-2.0