diff --git a/decoimpact/crosscutting/delft3d_specific_data.py b/decoimpact/crosscutting/delft3d_specific_data.py
index 3bcb328b..3295a8ed 100644
--- a/decoimpact/crosscutting/delft3d_specific_data.py
+++ b/decoimpact/crosscutting/delft3d_specific_data.py
@@ -1,3 +1,13 @@
-interfaces_name = "mesh2d_interface_z"
-bed_level_name = "mesh2d_flowelem_bl"
-water_level_name = "mesh2d_s1"
+# This file is part of D-EcoImpact
+# Copyright (C) 2022-2024 Stichting Deltares
+# This program is free software distributed under the
+# GNU Affero General Public License version 3.0
+# A copy of the GNU Affero General Public License can be found at
+# https://github.com/Deltares/D-EcoImpact/blob/main/LICENSE.md
+"""
+Configuration file for hardcoded delft3d variable names
+"""
+
+INTERFACES_NAME = "mesh2d_interface_z"
+BED_LEVEL_NAME = "mesh2d_flowelem_bl"
+WATER_LEVEL_NAME = "mesh2d_s1"
diff --git a/tests/business/entities/rules/test_depth_average_rule.py b/tests/business/entities/rules/test_depth_average_rule.py
index f215af5a..2048cc5a 100644
--- a/tests/business/entities/rules/test_depth_average_rule.py
+++ b/tests/business/entities/rules/test_depth_average_rule.py
@@ -38,7 +38,6 @@ def test_no_validate_error_with_correct_rule():
     """Test a correct depth average rule validates without error"""
 
     # Arrange
-    logger = Mock(ILogger)
     rule = DepthAverageRule(
         "test_rule_name",
         ["foo", "hello"],