--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/model/WQKms.java	Wed Oct 01 15:42:55 2014 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/WQKms.java	Wed Oct 01 15:54:47 2014 +0200
@@ -57,25 +57,18 @@
         this(kms, qs, ws, "");
     }
 
-
-    public WQKms(double [] kms, double [] qs, double [] ws, String name) {
-        this(kms, qs, ws, name, 0);
-    }
-
     public WQKms(double []kms, WQ wq) {
-        this(kms, wq.getQs(), wq.getWs(), wq.getName(), wq.getReferenceSystem());
+        this(kms, wq.getQs(), wq.getWs(), wq.getName());
     }
 
     public WQKms(TDoubleArrayList kms, TDoubleArrayList qs, TDoubleArrayList ws, String name) {
         super(qs, ws, name);
         this.kms = kms;
-        setReferenceSystem(0);
     }
 
-    public WQKms(double [] kms, double [] qs, double [] ws, String name, int wReferenceSystem) {
+    public WQKms(double [] kms, double [] qs, double [] ws, String name) {
         super(qs, ws, name);
         this.kms = new TDoubleArrayList(kms);
-        setReferenceSystem(wReferenceSystem);
     }
 
     /** Create a WQKms from WKms, filling the Qs with given q. */