Index: Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.IO/Importers/GrassCoverErosionInwardsCalculationConfigurationImporter.cs
===================================================================
diff -u -r332fd224ce5cd9c737e72f945271c52ae6d64c0d -r133c79b0999dee3f9c2f02c5382687c0a173d2a4
--- Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.IO/Importers/GrassCoverErosionInwardsCalculationConfigurationImporter.cs	(.../GrassCoverErosionInwardsCalculationConfigurationImporter.cs)	(revision 332fd224ce5cd9c737e72f945271c52ae6d64c0d)
+++ Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.IO/Importers/GrassCoverErosionInwardsCalculationConfigurationImporter.cs	(.../GrassCoverErosionInwardsCalculationConfigurationImporter.cs)	(revision 133c79b0999dee3f9c2f02c5382687c0a173d2a4)
@@ -261,7 +261,7 @@
         /// </summary>
         /// <param name="readCalculation">The calculation read from the imported file.</param>
         /// <param name="calculation">The calculation to configure.</param>
-        private void ReadDikeHeightCalculationType(ReadGrassCoverErosionInwardsCalculation readCalculation, GrassCoverErosionInwardsCalculation calculation)
+        private static void ReadDikeHeightCalculationType(ReadGrassCoverErosionInwardsCalculation readCalculation, GrassCoverErosionInwardsCalculation calculation)
         {
             if (readCalculation.DikeHeightCalculationType.HasValue)
             {
Index: Ringtoets/Revetment/src/Ringtoets.Revetment.IO/Importers/WaveConditionsCalculationConfigurationImporter.cs
===================================================================
diff -u -rd347acb3d57c61fd3baa1e883551807417db6698 -r133c79b0999dee3f9c2f02c5382687c0a173d2a4
--- Ringtoets/Revetment/src/Ringtoets.Revetment.IO/Importers/WaveConditionsCalculationConfigurationImporter.cs	(.../WaveConditionsCalculationConfigurationImporter.cs)	(revision d347acb3d57c61fd3baa1e883551807417db6698)
+++ Ringtoets/Revetment/src/Ringtoets.Revetment.IO/Importers/WaveConditionsCalculationConfigurationImporter.cs	(.../WaveConditionsCalculationConfigurationImporter.cs)	(revision 133c79b0999dee3f9c2f02c5382687c0a173d2a4)
@@ -176,7 +176,7 @@
             return true;
         }
 
-        private void ReadStepSize(ReadWaveConditionsCalculation readCalculation, IWaveConditionsCalculation calculation)
+        private static void ReadStepSize(ReadWaveConditionsCalculation readCalculation, IWaveConditionsCalculation calculation)
         {
             if (readCalculation.StepSize.HasValue)
             {