Index: Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Forms/Views/GrassCoverErosionInwardsInputView.cs
===================================================================
diff -u -r93036b575ee81b4517b29db51f1eadf81454fb93 -r7938567fa945e26d2e66bba8101841eb12d01d88
--- Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Forms/Views/GrassCoverErosionInwardsInputView.cs	(.../GrassCoverErosionInwardsInputView.cs)	(revision 93036b575ee81b4517b29db51f1eadf81454fb93)
+++ Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Forms/Views/GrassCoverErosionInwardsInputView.cs	(.../GrassCoverErosionInwardsInputView.cs)	(revision 7938567fa945e26d2e66bba8101841eb12d01d88)
@@ -21,6 +21,7 @@
 
 using System.Windows.Forms;
 using Core.Common.Base;
+using Core.Common.Utils.Extensions;
 using Core.Components.Chart.Data;
 using Core.Components.Chart.Forms;
 using Ringtoets.Common.Data.DikeProfiles;
@@ -123,9 +124,7 @@
         {
             SetChartData();
 
-            foreshoreChartData.NotifyObservers();
-            dikeGeometryChartData.NotifyObservers();
-            dikeHeightChartData.NotifyObservers();
+            chartDataCollection.Collection.ForEachElementDo(cd => cd.NotifyObservers());
         }
 
         private void SetChartData()
Index: Ringtoets/Piping/src/Ringtoets.Piping.Forms/Views/PipingInputView.cs
===================================================================
diff -u -r83c8f376bcd0ebf1bdfc1301d5fea953e98a3f12 -r7938567fa945e26d2e66bba8101841eb12d01d88
--- Ringtoets/Piping/src/Ringtoets.Piping.Forms/Views/PipingInputView.cs	(.../PipingInputView.cs)	(revision 83c8f376bcd0ebf1bdfc1301d5fea953e98a3f12)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Forms/Views/PipingInputView.cs	(.../PipingInputView.cs)	(revision 7938567fa945e26d2e66bba8101841eb12d01d88)
@@ -160,16 +160,7 @@
         {
             SetChartData();
 
-            surfaceLineChartData.NotifyObservers();
-            ditchPolderSideChartData.NotifyObservers();
-            bottomDitchPolderSideChartData.NotifyObservers();
-            bottomDitchDikeSideChartData.NotifyObservers();
-            ditchDikeSideChartData.NotifyObservers();
-            dikeToeAtPolderChartData.NotifyObservers();
-            dikeToeAtRiverChartData.NotifyObservers();
-            exitPointChartData.NotifyObservers();
-            entryPointChartData.NotifyObservers();
-            soilProfileChartData.NotifyObservers();
+            chartDataCollection.Collection.ForEachElementDo(cd => cd.NotifyObservers());
             soilProfileChartData.Collection.ForEachElementDo(md => md.NotifyObservers());
         }
 
Index: Ringtoets/Revetment/src/Ringtoets.Revetment.Forms/Views/WaveConditionsInputView.cs
===================================================================
diff -u -r93036b575ee81b4517b29db51f1eadf81454fb93 -r7938567fa945e26d2e66bba8101841eb12d01d88
--- Ringtoets/Revetment/src/Ringtoets.Revetment.Forms/Views/WaveConditionsInputView.cs	(.../WaveConditionsInputView.cs)	(revision 93036b575ee81b4517b29db51f1eadf81454fb93)
+++ Ringtoets/Revetment/src/Ringtoets.Revetment.Forms/Views/WaveConditionsInputView.cs	(.../WaveConditionsInputView.cs)	(revision 7938567fa945e26d2e66bba8101841eb12d01d88)
@@ -22,6 +22,7 @@
 using System;
 using System.Windows.Forms;
 using Core.Common.Base;
+using Core.Common.Utils.Extensions;
 using Core.Components.Chart.Data;
 using Core.Components.Chart.Forms;
 using Ringtoets.Common.Data.Calculation;
@@ -155,15 +156,7 @@
         {
             SetChartData();
 
-            foreshoreChartData.NotifyObservers();
-            lowerBoundaryRevetmentChartData.NotifyObservers();
-            upperBoundaryRevetmentChartData.NotifyObservers();
-            lowerBoundaryWaterLevelsChartData.NotifyObservers();
-            upperBoundaryWaterLevelsChartData.NotifyObservers();
-            designWaterLevelChartData.NotifyObservers();
-            waterLevelsChartData.NotifyObservers();
-            revetmentBaseChartData.NotifyObservers();
-            revetmentChartData.NotifyObservers();
+            chartDataCollection.Collection.ForEachElementDo(cd => cd.NotifyObservers());
         }
 
         private void UpdateChartTitle()