Index: Ringtoets/Common/src/Ringtoets.Common.Forms/PresentationObjects/ReferenceLineContext.cs
===================================================================
diff -u -rb79e419a1fcdf3d80760ea4bc35ac354525911d2 -rf03b38fb7ef00a60db346246b2fb738f960841c9
--- Ringtoets/Common/src/Ringtoets.Common.Forms/PresentationObjects/ReferenceLineContext.cs	(.../ReferenceLineContext.cs)	(revision b79e419a1fcdf3d80760ea4bc35ac354525911d2)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/PresentationObjects/ReferenceLineContext.cs	(.../ReferenceLineContext.cs)	(revision f03b38fb7ef00a60db346246b2fb738f960841c9)
@@ -29,7 +29,7 @@
     /// <summary>
     /// Presentation object for <see cref="ReferenceLine"/> instances.
     /// </summary>
-    public class ReferenceLineContext : Observable, IEquatable<ReferenceLineContext>
+    public class ReferenceLineContext : Observable
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="ReferenceLineContext"/> class.
@@ -63,16 +63,8 @@
 
         #region Implementation: IEquatable<ReferenceLineContext>
 
-        public bool Equals(ReferenceLineContext other)
+        private bool Equals(ReferenceLineContext other)
         {
-            if (ReferenceEquals(null, other))
-            {
-                return false;
-            }
-            if (ReferenceEquals(this, other))
-            {
-                return true;
-            }
             return Parent.Equals(other.Parent);
         }