diff --git a/tests/test_trivial.py b/tests/test_trivial.py
index 9b51757..9ff68ba 100644
--- a/tests/test_trivial.py
+++ b/tests/test_trivial.py
@@ -1,22 +1,5 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-
-# For tlm_adjoint copyright information see ACKNOWLEDGEMENTS in the tlm_adjoint
-# root directory
-
-# This file is part of tlm_adjoint.
-#
-# tlm_adjoint is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License as published by
-# the Free Software Foundation, version 3 of the License.
-# tlm_adjoint 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 Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public License
-# along with tlm_adjoint.  If not, see <https://www.gnu.org/licenses/>.
-
 import functools
 import pytest
 from checkpoint_schedules.schedule import \