diff --git a/tests/workflow/test_base_workflows.py b/tests/workflow/test_base_workflows.py
index 99a97562..2ca65d0b 100644
--- a/tests/workflow/test_base_workflows.py
+++ b/tests/workflow/test_base_workflows.py
@@ -1,22 +1,3 @@
-#
-# Copyright The NOMAD Authors.
-#
-# This file is part of NOMAD. See https://nomad-lab.eu for further info.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-
 import pytest
 from nomad.datamodel.metainfo.workflow import Link, Task, TaskReference
 
diff --git a/tests/workflow/test_dft_plus_tb.py b/tests/workflow/test_dft_plus_tb.py
index f37bc4b0..c8730d4a 100644
--- a/tests/workflow/test_dft_plus_tb.py
+++ b/tests/workflow/test_dft_plus_tb.py
@@ -1,21 +1,3 @@
-#
-# Copyright The NOMAD Authors.
-#
-# This file is part of NOMAD. See https://nomad-lab.eu for further info.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
 from typing import Optional
 
 import pytest
@@ -25,7 +7,6 @@
 from nomad_simulations.schema_packages.model_method import (
     DFT,
     TB,
-    BaseModelMethod,
     ModelMethod,
 )
 from nomad_simulations.schema_packages.model_system import ModelSystem
diff --git a/tests/workflow/test_single_point.py b/tests/workflow/test_single_point.py
index 56f9c585..6de3d6c6 100644
--- a/tests/workflow/test_single_point.py
+++ b/tests/workflow/test_single_point.py
@@ -1,21 +1,3 @@
-#
-# Copyright The NOMAD Authors.
-#
-# This file is part of NOMAD. See https://nomad-lab.eu for further info.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
 from typing import Optional
 
 import pytest