diff --git a/ApplicationLibCode/ProjectDataModel/Summary/RimCalculatedSummaryCurveReader.cpp b/ApplicationLibCode/ProjectDataModel/Summary/RimCalculatedSummaryCurveReader.cpp
index 22f0a32fca..a08e7bab13 100644
--- a/ApplicationLibCode/ProjectDataModel/Summary/RimCalculatedSummaryCurveReader.cpp
+++ b/ApplicationLibCode/ProjectDataModel/Summary/RimCalculatedSummaryCurveReader.cpp
@@ -19,6 +19,8 @@
 #include "RimCalculatedSummaryCurveReader.h"
 
 #include "RifEclipseSummaryAddress.h"
+
+#include "RimProject.h"
 #include "RimSummaryCalculation.h"
 #include "RimSummaryCalculationCollection.h"
 #include "RimUserDefinedCalculation.h"
@@ -26,9 +28,8 @@
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
-RifCalculatedSummaryCurveReader::RifCalculatedSummaryCurveReader( RimSummaryCalculationCollection* calculationCollection,
-                                                                  RimSummaryCase*                  summaryCase )
-    : m_calculationCollection( calculationCollection )
+RifCalculatedSummaryCurveReader::RifCalculatedSummaryCurveReader( RimSummaryCase* summaryCase )
+    : m_calculationCollection( RimProject::current()->calculationCollection() )
     , m_summaryCase( summaryCase )
 {
     CAF_ASSERT( summaryCase );
@@ -85,6 +86,8 @@ void RifCalculatedSummaryCurveReader::buildMetaData()
 {
     m_allResultAddresses.clear();
 
+    if ( !m_calculationCollection || !m_summaryCase ) return;
+
     for ( RimUserDefinedCalculation* calc : m_calculationCollection->calculations() )
     {
         auto* sumCalc = dynamic_cast<RimSummaryCalculation*>( calc );
diff --git a/ApplicationLibCode/ProjectDataModel/Summary/RimCalculatedSummaryCurveReader.h b/ApplicationLibCode/ProjectDataModel/Summary/RimCalculatedSummaryCurveReader.h
index 5eb786d75a..4448a9188d 100644
--- a/ApplicationLibCode/ProjectDataModel/Summary/RimCalculatedSummaryCurveReader.h
+++ b/ApplicationLibCode/ProjectDataModel/Summary/RimCalculatedSummaryCurveReader.h
@@ -21,8 +21,6 @@
 #include "RifSummaryReaderInterface.h"
 #include "RimSummaryCase.h"
 
-#include <memory>
-
 class RifCalculatedSummaryCurveReader;
 class RimSummaryCalculation;
 class RimSummaryCalculationCollection;
@@ -33,7 +31,7 @@ class RimSummaryCalculationCollection;
 class RifCalculatedSummaryCurveReader : public RifSummaryReaderInterface
 {
 public:
-    explicit RifCalculatedSummaryCurveReader( RimSummaryCalculationCollection* calculationCollection, RimSummaryCase* summaryCase );
+    explicit RifCalculatedSummaryCurveReader( RimSummaryCase* summaryCase );
 
     std::vector<time_t>                  timeSteps( const RifEclipseSummaryAddress& resultAddress ) const override;
     std::pair<bool, std::vector<double>> values( const RifEclipseSummaryAddress& resultAddress ) const override;
@@ -47,6 +45,6 @@ private:
     RimSummaryCalculation* findCalculationByName( const RifEclipseSummaryAddress& resultAddress ) const;
 
 private:
-    caf::PdmPointer<RimSummaryCalculationCollection> m_calculationCollection;
-    caf::PdmPointer<RimSummaryCase>                  m_summaryCase;
+    RimSummaryCalculationCollection* m_calculationCollection;
+    RimSummaryCase*                  m_summaryCase;
 };
diff --git a/ApplicationLibCode/ProjectDataModel/Summary/RimCsvUserData.cpp b/ApplicationLibCode/ProjectDataModel/Summary/RimCsvUserData.cpp
index 354d9cfacc..66143b2d21 100644
--- a/ApplicationLibCode/ProjectDataModel/Summary/RimCsvUserData.cpp
+++ b/ApplicationLibCode/ProjectDataModel/Summary/RimCsvUserData.cpp
@@ -30,8 +30,6 @@
 #include "SummaryPlotCommands/RicPasteAsciiDataToSummaryPlotFeatureUi.h"
 
 #include "RimCalculatedSummaryCurveReader.h"
-#include "RimProject.h"
-#include "RimSummaryCalculationCollection.h"
 
 #include "cafUtils.h"
 
@@ -76,8 +74,7 @@ void RimCsvUserData::createSummaryReaderInterface()
             m_multiSummaryReader = new RifMultipleSummaryReaders;
             m_multiSummaryReader->addReader( m_summaryReader.p() );
 
-            RimSummaryCalculationCollection* calcColl = RimProject::current()->calculationCollection();
-            m_calculatedSummaryReader                 = new RifCalculatedSummaryCurveReader( calcColl, this );
+            m_calculatedSummaryReader = new RifCalculatedSummaryCurveReader( this );
 
             m_multiSummaryReader->addReader( m_calculatedSummaryReader.p() );
         }
diff --git a/ApplicationLibCode/ProjectDataModel/Summary/RimFileSummaryCase.cpp b/ApplicationLibCode/ProjectDataModel/Summary/RimFileSummaryCase.cpp
index ee981c2da6..4a604ddc17 100644
--- a/ApplicationLibCode/ProjectDataModel/Summary/RimFileSummaryCase.cpp
+++ b/ApplicationLibCode/ProjectDataModel/Summary/RimFileSummaryCase.cpp
@@ -33,7 +33,6 @@
 #include "RimCalculatedSummaryCurveReader.h"
 #include "RimProject.h"
 #include "RimRftCase.h"
-#include "RimSummaryCalculationCollection.h"
 
 #include "cafPdmFieldScriptingCapability.h"
 #include "cafPdmObjectScriptingCapability.h"
@@ -113,8 +112,7 @@ void RimFileSummaryCase::createSummaryReaderInterfaceThreadSafe( RiaThreadSafeLo
 
     openAndAttachAdditionalReader();
 
-    RimSummaryCalculationCollection* calcColl = RimProject::current()->calculationCollection();
-    m_calculatedSummaryReader                 = new RifCalculatedSummaryCurveReader( calcColl, this );
+    m_calculatedSummaryReader = new RifCalculatedSummaryCurveReader( this );
 
     m_multiSummaryReader->addReader( m_calculatedSummaryReader.p() );
 }
diff --git a/ApplicationLibCode/ProjectDataModel/Summary/RimObservedEclipseUserData.cpp b/ApplicationLibCode/ProjectDataModel/Summary/RimObservedEclipseUserData.cpp
index 1dedf17471..27e3a455c1 100644
--- a/ApplicationLibCode/ProjectDataModel/Summary/RimObservedEclipseUserData.cpp
+++ b/ApplicationLibCode/ProjectDataModel/Summary/RimObservedEclipseUserData.cpp
@@ -28,8 +28,6 @@
 #include "RifSummaryReaderInterface.h"
 
 #include "RimCalculatedSummaryCurveReader.h"
-#include "RimProject.h"
-#include "RimSummaryCalculationCollection.h"
 
 #include "cafUtils.h"
 
@@ -97,8 +95,7 @@ void RimObservedEclipseUserData::createSummaryReaderInterface()
             m_multiSummaryReader = new RifMultipleSummaryReaders;
             m_multiSummaryReader->addReader( m_summaryReader.p() );
 
-            RimSummaryCalculationCollection* calcColl = RimProject::current()->calculationCollection();
-            m_calculatedSummaryReader                 = new RifCalculatedSummaryCurveReader( calcColl, this );
+            m_calculatedSummaryReader = new RifCalculatedSummaryCurveReader( this );
 
             m_multiSummaryReader->addReader( m_calculatedSummaryReader.p() );
         }