diff --git a/ApplicationCode/Commands/SummaryPlotCommands/RicPasteAsciiDataToSummaryPlotFeature.cpp b/ApplicationCode/Commands/SummaryPlotCommands/RicPasteAsciiDataToSummaryPlotFeature.cpp
index 7208182813..3369536087 100644
--- a/ApplicationCode/Commands/SummaryPlotCommands/RicPasteAsciiDataToSummaryPlotFeature.cpp
+++ b/ApplicationCode/Commands/SummaryPlotCommands/RicPasteAsciiDataToSummaryPlotFeature.cpp
@@ -161,18 +161,15 @@ std::vector<RimAsciiDataCurve*> RicPasteAsciiDataToSummaryPlotFeature::parseCurv
         return curves;
     }
 
-    int numColumns = static_cast<int>(parser.headers().size());
-
     std::map< CurveType, std::vector<RimAsciiDataCurve*> > curveToTypeMap;
 
     QString curvePrefix = settings.curvePrefix();
-    std::vector< std::vector<double> > values = parser.values();
 
-    for (size_t i = 0; i < parser.values().size(); ++i)
+    for (size_t i = 0; i < parser.headers().size(); i++)
     {
         RimAsciiDataCurve* curve = new RimAsciiDataCurve();
         curve->setTimeSteps(parser.timeSteps());
-        curve->setValues(parser.values()[i]);
+        curve->setValues(parser.columnValues(i));
         if (curvePrefix.isEmpty())
         {
             curve->setTitle(parser.headers()[i]);
diff --git a/ApplicationCode/FileInterface/RifColumnBasedAsciiParser.cpp b/ApplicationCode/FileInterface/RifColumnBasedAsciiParser.cpp
index 43a7b9dbe0..1b8dcc6c89 100644
--- a/ApplicationCode/FileInterface/RifColumnBasedAsciiParser.cpp
+++ b/ApplicationCode/FileInterface/RifColumnBasedAsciiParser.cpp
@@ -20,6 +20,8 @@
 
 #include "RiaLogging.h"
 
+#include "cvfAssert.h"
+
 #include <QString>
 #include <QStringList>
 #include <QTextStream>
@@ -51,33 +53,13 @@ const std::vector<QDateTime>& RifColumnBasedAsciiParser::timeSteps() const
 //--------------------------------------------------------------------------------------------------
 /// 
 //--------------------------------------------------------------------------------------------------
-const std::vector<double> RifColumnBasedAsciiParser::columnValues(size_t columnIndex) const
+const std::vector<double>& RifColumnBasedAsciiParser::columnValues(size_t columnIndex) const
 {
-    if (m_data.m_values.size() <= columnIndex)
-    {
-        std::vector<double> dummy;
-        return dummy;
-    }
+    CVF_TIGHT_ASSERT(m_data.m_values.size() <= columnIndex);
 
     return m_data.m_values[columnIndex];
 }
 
-//--------------------------------------------------------------------------------------------------
-/// 
-//--------------------------------------------------------------------------------------------------
-const std::vector< std::vector<double> >& RifColumnBasedAsciiParser::values() const
-{
-    return m_data.m_values;
-}
-
-//--------------------------------------------------------------------------------------------------
-/// 
-//--------------------------------------------------------------------------------------------------
-const size_t RifColumnBasedAsciiParser::columnCount() const
-{
-    return m_data.m_values.size();
-}
-
 //--------------------------------------------------------------------------------------------------
 /// 
 //--------------------------------------------------------------------------------------------------
diff --git a/ApplicationCode/FileInterface/RifColumnBasedAsciiParser.h b/ApplicationCode/FileInterface/RifColumnBasedAsciiParser.h
index 1fb28551d6..29f53d114f 100644
--- a/ApplicationCode/FileInterface/RifColumnBasedAsciiParser.h
+++ b/ApplicationCode/FileInterface/RifColumnBasedAsciiParser.h
@@ -35,9 +35,7 @@ public:
 
     const std::vector<QString>&                     headers() const;
     const std::vector<QDateTime>&                   timeSteps() const;
-    const std::vector<double>                       columnValues(size_t columnIndex) const;
-    const std::vector<std::vector<double>>&         values() const;
-    const size_t                                    columnCount() const;
+    const std::vector<double>&                      columnValues(size_t columnIndex) const;
 
 private:
     void parseData(QString& data, QString dateFormat, QLocale decimalLocale, QString cellSeparator);