Index: Riskeer/HydraRing/src/Riskeer.HydraRing.Calculation/Calculator/HydraRingCalculatorBase.cs
===================================================================
diff -u -r150b4c68d6b34500f78ad5b85d2bfe243c986fc4 -r9fc3c3d9675eedb6df867c4b7bbe369f93ff4de1
--- Riskeer/HydraRing/src/Riskeer.HydraRing.Calculation/Calculator/HydraRingCalculatorBase.cs	(.../HydraRingCalculatorBase.cs)	(revision 150b4c68d6b34500f78ad5b85d2bfe243c986fc4)
+++ Riskeer/HydraRing/src/Riskeer.HydraRing.Calculation/Calculator/HydraRingCalculatorBase.cs	(.../HydraRingCalculatorBase.cs)	(revision 9fc3c3d9675eedb6df867c4b7bbe369f93ff4de1)
@@ -103,10 +103,7 @@
         /// Gets the parsers that are executed on the output file(s) of Hydra-Ring.
         /// </summary>
         /// <returns>The parsers to execute.</returns>
-        protected virtual IEnumerable<IHydraRingFileParser> GetParsers()
-        {
-            yield break;
-        }
+        protected abstract IEnumerable<IHydraRingFileParser> GetParsers();
 
         /// <summary>
         /// Sets the values on the output parameters of the calculation.