Index: Ringtoets/WaveImpactAsphaltCover/src/Ringtoets.WaveImpactAsphaltCover.Plugin/WaveImpactAsphaltCoverPlugin.cs
===================================================================
diff -u -rbdfdac3498b97ecf6bf04d53c581f557e7e87795 -rfc825a5843b4afaf40b941b39fe36c54aa342efd
--- Ringtoets/WaveImpactAsphaltCover/src/Ringtoets.WaveImpactAsphaltCover.Plugin/WaveImpactAsphaltCoverPlugin.cs	(.../WaveImpactAsphaltCoverPlugin.cs)	(revision bdfdac3498b97ecf6bf04d53c581f557e7e87795)
+++ Ringtoets/WaveImpactAsphaltCover/src/Ringtoets.WaveImpactAsphaltCover.Plugin/WaveImpactAsphaltCoverPlugin.cs	(.../WaveImpactAsphaltCoverPlugin.cs)	(revision fc825a5843b4afaf40b941b39fe36c54aa342efd)
@@ -351,9 +351,14 @@
 
             builder.AddCreateCalculationGroupItem(group)
                    .AddCreateCalculationItem(nodeData, AddWaveConditionsCalculation)
-                   .AddSeparator()
-                   .AddRenameItem()
-                   .AddValidateAllCalculationsInGroupItem(nodeData,
+                   .AddSeparator();
+
+            if (isNestedGroup)
+            {
+                builder.AddRenameItem();
+            }
+
+            builder.AddValidateAllCalculationsInGroupItem(nodeData,
                                                           ValidateAll,
                                                           ValidateAllDataAvailableAndGetErrorMessageForCalculationGroup)
                    .AddPerformAllCalculationsInGroupItem(group, nodeData, CalculateAll, ValidateAllDataAvailableAndGetErrorMessageForCalculationGroup)