Index: Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Service.Test/DuneErosionDataSynchronizationServiceTest.cs
===================================================================
diff -u -rcea1f2491818434e4a7030a2e059bc74aa3e0116 -r9e9789b7d71ba1bcf4f648f4131855e266756877
--- Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Service.Test/DuneErosionDataSynchronizationServiceTest.cs	(.../DuneErosionDataSynchronizationServiceTest.cs)	(revision cea1f2491818434e4a7030a2e059bc74aa3e0116)
+++ Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Service.Test/DuneErosionDataSynchronizationServiceTest.cs	(.../DuneErosionDataSynchronizationServiceTest.cs)	(revision 9e9789b7d71ba1bcf4f648f4131855e266756877)
@@ -242,7 +242,7 @@
 
             // Call
             IEnumerable<IObservable> affected = DuneErosionDataSynchronizationService.ClearDuneLocationOutput(
-                new ObservableList<DuneLocation>
+                new []
                 {
                     location
                 });