Index: DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/Waternet.cs
===================================================================
diff -u -r2022 -r2046
--- DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/Waternet.cs	(.../Waternet.cs)	(revision 2022)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/Waternet.cs	(.../Waternet.cs)	(revision 2046)
@@ -20,7 +20,6 @@
 // All rights reserved.
 
 using System.Collections.Generic;
-using System.Xml.Serialization;
 
 namespace Deltares.DamEngine.Data.Geometry
 {
@@ -61,7 +60,6 @@
                 {
                     if (phreaticLine.Points.Count == 0 && phreaticLine.CalcPoints.Count > 0)
                         phreaticLine.SyncPoints();
-                    phreaticLine.Waternet = this;
                 }
             }
         }
@@ -72,7 +70,6 @@
         /// <value>
         /// The head line list.
         /// </value>
-        [XmlArray("HeadLines")]
         public List<HeadLine> HeadLineList
         {
             get
@@ -87,7 +84,6 @@
         /// <value>
         /// The waternet line list.
         /// </value>
-        [XmlArray("WaternetLines")]
         public List<WaternetLine> WaternetLineList
         {
             get
@@ -123,19 +119,6 @@
         public bool IsGenerated { get; set; }
 
         /// <summary>
-        /// The water level of the phreatic line at the left side
-        /// </summary>
-        public double ExternalWaterLevel
-        {
-            get
-            {               
-                if (PhreaticLine != null)
-                    return PhreaticLine.CalcPoints[0].Z;
-                return 0.0;
-            }
-        }
-
-        /// <summary>
         /// Adds the waternet line.
         /// </summary>
         /// <param name="aWaternetLine">A waternet line.</param>