diff --git a/ApplicationCode/ProjectDataModel/RimProject.cpp b/ApplicationCode/ProjectDataModel/RimProject.cpp
index 0b35296c79..e8fabc566f 100644
--- a/ApplicationCode/ProjectDataModel/RimProject.cpp
+++ b/ApplicationCode/ProjectDataModel/RimProject.cpp
@@ -541,10 +541,9 @@ void RimProject::allSummaryCases(std::vector<RimSummaryCase*>& sumCases)
         RimSummaryCaseMainCollection* sumCaseMainColl = oilField->summaryCaseMainCollection();
         if(sumCaseMainColl)
         {
-            for (size_t scIdx = 0; scIdx <  sumCaseMainColl->summaryCaseCount(); ++scIdx)
-            {
-                sumCases.push_back(sumCaseMainColl->summaryCase(scIdx));
-            }
+            sumCases.clear();
+            std::vector<RimSummaryCase*> allSummaryCases = sumCaseMainColl->allSummaryCases();
+            sumCases.insert(sumCases.end(), allSummaryCases.begin(), allSummaryCases.end());
         }
     }
 }
diff --git a/ApplicationCode/ProjectDataModel/Summary/RimSummaryCaseMainCollection.cpp b/ApplicationCode/ProjectDataModel/Summary/RimSummaryCaseMainCollection.cpp
index 530d0cf513..2a9a462b25 100644
--- a/ApplicationCode/ProjectDataModel/Summary/RimSummaryCaseMainCollection.cpp
+++ b/ApplicationCode/ProjectDataModel/Summary/RimSummaryCaseMainCollection.cpp
@@ -190,20 +190,10 @@ size_t RimSummaryCaseMainCollection::summaryCaseCount()
 //--------------------------------------------------------------------------------------------------
 std::vector<RimSummaryCase*> RimSummaryCaseMainCollection::allSummaryCases()
 {
-    std::vector<RimSummaryCase*> allCases;
-    
-    for (RimSummaryCaseCollection* summaryCaseCollection : m_caseCollections)
-    {
-        std::vector<RimSummaryCase*> cases;
-        summaryCaseCollection->descendantsIncludingThisOfType(cases);
-        allCases.insert(allCases.end(), cases.begin(), cases.end());
-    }
-    
     std::vector<RimSummaryCase*> cases;
     this->descendantsIncludingThisOfType(cases);
-    allCases.insert(allCases.end(), cases.begin(), cases.end());
 
-    return allCases;
+    return cases;
 }
 
 //--------------------------------------------------------------------------------------------------