--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/WINFOArtifact.java	Tue May 07 12:47:05 2013 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/WINFOArtifact.java	Tue May 07 17:32:33 2013 +0200
@@ -28,7 +28,6 @@
 import org.dive4elements.river.artifacts.model.Calculation3;
 import org.dive4elements.river.artifacts.model.Calculation4;
 import org.dive4elements.river.artifacts.model.Calculation5;
-import org.dive4elements.river.artifacts.model.Calculation6;
 import org.dive4elements.river.artifacts.model.Calculation;
 import org.dive4elements.river.artifacts.model.CalculationResult;
 import org.dive4elements.river.artifacts.model.DischargeTables;
@@ -536,29 +535,6 @@
     }
 
 
-    public CalculationResult getHistoricalDischargeData() {
-        Gauge  gauge        = RiverUtils.getReferenceGauge(this);
-        String rawTimerange = getDataAsString("year_range");
-        String rawValues    = getDataAsString("historical_values");
-        int    mode         = getDataAsInteger("historical_mode");
-
-        long[]   timerange = RiverUtils.longArrayFromString(rawTimerange);
-        double[] values    = RiverUtils.doubleArrayFromString(rawValues);
-
-        Calendar start = new GregorianCalendar();
-        start.setTimeInMillis(timerange[0]);
-        Calendar end   = new GregorianCalendar();
-        end.setTimeInMillis(timerange[1]);
-
-        Calculation6 calc = new Calculation6(
-            mode,
-            new long[] { start.getTimeInMillis(), end.getTimeInMillis() },
-            values);
-
-        return calc.calculate(gauge);
-    }
-
-
     /**
      * Get corrected waterline against surface/profile.
      */
@@ -574,8 +550,6 @@
         // Find W/C at km, linear naive approach.
         WQCKms triple = (WQCKms) wqckms[idx-1];
 
-        int old_idx = 0;
-
         if (triple.size() == 0) {
             logger.warn("Calculation of c/waterline is empty.");
             return Lines.createWaterLines(points, 0.0f);