diff --git a/ApplicationLibCode/ProjectDataModel/Completions/RimPerforationCollection.cpp b/ApplicationLibCode/ProjectDataModel/Completions/RimPerforationCollection.cpp
index b5b813cb0f..6e203fa39a 100644
--- a/ApplicationLibCode/ProjectDataModel/Completions/RimPerforationCollection.cpp
+++ b/ApplicationLibCode/ProjectDataModel/Completions/RimPerforationCollection.cpp
@@ -185,3 +185,14 @@ void RimPerforationCollection::fieldChangedByUi( const caf::PdmFieldHandle* chan
         proj->scheduleCreateDisplayModelAndRedrawAllViews();
     }
 }
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RimPerforationCollection::onChildDeleted( caf::PdmChildArrayFieldHandle* childArray, std::vector<caf::PdmObjectHandle*>& referringObjects )
+{
+    RimProject* proj = RimProject::current();
+    proj->reloadCompletionTypeResultsInAllViews();
+
+    updateConnectedEditors();
+}
diff --git a/ApplicationLibCode/ProjectDataModel/Completions/RimPerforationCollection.h b/ApplicationLibCode/ProjectDataModel/Completions/RimPerforationCollection.h
index bc9e6c4074..f327d42edd 100644
--- a/ApplicationLibCode/ProjectDataModel/Completions/RimPerforationCollection.h
+++ b/ApplicationLibCode/ProjectDataModel/Completions/RimPerforationCollection.h
@@ -51,6 +51,7 @@ public:
 private:
     void defineUiOrdering( QString uiConfigName, caf::PdmUiOrdering& uiOrdering ) override;
     void fieldChangedByUi( const caf::PdmFieldHandle* changedField, const QVariant& oldValue, const QVariant& newValue ) override;
+    void onChildDeleted( caf::PdmChildArrayFieldHandle* childArray, std::vector<caf::PdmObjectHandle*>& referringObjects ) override;
 
     friend class RiuEditPerforationCollectionWidget;