Index: Riskeer/Common/src/Riskeer.Common.Service/TargetProbabilityCalculationService.cs
===================================================================
diff -u -r4d7c9c8f257857bc491477d9f6dedbfe1adbc684 -r26be491ed8bf03f6c1f0641a03c26ed8022da78c
--- Riskeer/Common/src/Riskeer.Common.Service/TargetProbabilityCalculationService.cs	(.../TargetProbabilityCalculationService.cs)	(revision 4d7c9c8f257857bc491477d9f6dedbfe1adbc684)
+++ Riskeer/Common/src/Riskeer.Common.Service/TargetProbabilityCalculationService.cs	(.../TargetProbabilityCalculationService.cs)	(revision 26be491ed8bf03f6c1f0641a03c26ed8022da78c)
@@ -68,17 +68,6 @@
                 isValid = false;
             }
 
-            string preprocessorDirectoryValidationProblem = HydraulicBoundaryDataHelper.ValidatePreprocessorDirectory(preprocessorDirectory);
-            if (!string.IsNullOrEmpty(preprocessorDirectoryValidationProblem))
-            {
-                CalculationServiceHelper.LogMessagesAsError(new[]
-                {
-                    preprocessorDirectoryValidationProblem
-                });
-
-                isValid = false;
-            }
-
             CalculationServiceHelper.LogValidationEnd();
 
             return isValid;