Index: dam classic/trunk/src/Stability/StabilityDikeLocationInfo.cs
===================================================================
diff -u -r190 -r230
--- dam classic/trunk/src/Stability/StabilityDikeLocationInfo.cs	(.../StabilityDikeLocationInfo.cs)	(revision 190)
+++ dam classic/trunk/src/Stability/StabilityDikeLocationInfo.cs	(.../StabilityDikeLocationInfo.cs)	(revision 230)
@@ -2,7 +2,6 @@
 using System.Collections;
 using System.Collections.Generic;
 using System.ComponentModel;
-using System.Diagnostics.Contracts;
 using System.Linq;
 using System.Xml.Serialization;
 
@@ -729,8 +728,6 @@
         /// </summary>
         public void ApplySettings()
         {
-            Contract.Requires(Settings != null);
-
             StabilityModel.SlipPlaneConstraints.CreateZones = Settings.CreateZones;
             StabilityModel.MaximumSliceWidth = Settings.MaximumSlideWidth;
             StabilityModel.SlipPlaneConstraints.SlipPlaneMinDepth = Settings.MinimalPlaneDepth;