Index: Core/Plugins/src/Core.Plugins.Map/MapPlugin.cs
===================================================================
diff -u -rab7db01b8089b71da2356facc31b9bed75d59743 -r358d26e8ab6f5f6a2fa3dfd357d984607a00dc1c
--- Core/Plugins/src/Core.Plugins.Map/MapPlugin.cs	(.../MapPlugin.cs)	(revision ab7db01b8089b71da2356facc31b9bed75d59743)
+++ Core/Plugins/src/Core.Plugins.Map/MapPlugin.cs	(.../MapPlugin.cs)	(revision 358d26e8ab6f5f6a2fa3dfd357d984607a00dc1c)
@@ -73,7 +73,7 @@
         {
             yield return new PropertyInfo<MapDataCollectionContext, MapDataCollectionProperties>
             {
-                CreateInstance = context => new MapDataCollectionProperties((MapDataCollection) context.WrappedData, MapDataContextHelper.GetParentsFromContext(context))
+                CreateInstance = context => new MapDataCollectionProperties((MapDataCollection) context.WrappedData)
             };
             yield return new PropertyInfo<MapPointDataContext, MapPointDataProperties>
             {
Index: Core/Plugins/src/Core.Plugins.Map/PropertyClasses/MapDataCollectionProperties.cs
===================================================================
diff -u -r1842e169ca9a255a5d601409a93fed507e9327ca -r358d26e8ab6f5f6a2fa3dfd357d984607a00dc1c
--- Core/Plugins/src/Core.Plugins.Map/PropertyClasses/MapDataCollectionProperties.cs	(.../MapDataCollectionProperties.cs)	(revision 1842e169ca9a255a5d601409a93fed507e9327ca)
+++ Core/Plugins/src/Core.Plugins.Map/PropertyClasses/MapDataCollectionProperties.cs	(.../MapDataCollectionProperties.cs)	(revision 358d26e8ab6f5f6a2fa3dfd357d984607a00dc1c)
@@ -20,7 +20,6 @@
 // All rights reserved.
 
 using System;
-using System.Collections.Generic;
 using System.ComponentModel;
 using Core.Common.Gui.PropertyBag;
 using Core.Common.Util;
@@ -35,29 +34,19 @@
     /// </summary>
     public class MapDataCollectionProperties : ObjectProperties<MapDataCollection>
     {
-        private readonly IEnumerable<MapDataCollection> parents;
-
         /// <summary>
         /// Creates a new instance of <see cref="MapDataCollectionProperties"/>.
         /// </summary>
         /// <param name="mapDataCollection">The <see cref="MapDataCollection"/> to show the properties for.</param>
-        /// <param name="parents">A collection containing all parent <see cref="MapDataCollection"/> of
-        /// the <paramref name="mapDataCollection"/>.</param>
-        /// <exception cref="ArgumentNullException">Thrown when any parameter is <c>null</c>.</exception>
-        public MapDataCollectionProperties(MapDataCollection mapDataCollection, IEnumerable<MapDataCollection> parents)
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="mapDataCollection"/>
+        /// is <c>null</c>.</exception>
+        public MapDataCollectionProperties(MapDataCollection mapDataCollection)
         {
             if (mapDataCollection == null)
             {
                 throw new ArgumentNullException(nameof(mapDataCollection));
             }
 
-            if (parents == null)
-            {
-                throw new ArgumentNullException(nameof(parents));
-            }
-
-            this.parents = parents;
-
             Data = mapDataCollection;
         }
 
Index: Core/Plugins/test/Core.Plugins.Map.Test/PropertyClasses/MapDataCollectionPropertiesTest.cs
===================================================================
diff -u -r1842e169ca9a255a5d601409a93fed507e9327ca -r358d26e8ab6f5f6a2fa3dfd357d984607a00dc1c
--- Core/Plugins/test/Core.Plugins.Map.Test/PropertyClasses/MapDataCollectionPropertiesTest.cs	(.../MapDataCollectionPropertiesTest.cs)	(revision 1842e169ca9a255a5d601409a93fed507e9327ca)
+++ Core/Plugins/test/Core.Plugins.Map.Test/PropertyClasses/MapDataCollectionPropertiesTest.cs	(.../MapDataCollectionPropertiesTest.cs)	(revision 358d26e8ab6f5f6a2fa3dfd357d984607a00dc1c)
@@ -21,7 +21,6 @@
 
 using System;
 using System.ComponentModel;
-using System.Linq;
 using Core.Common.Gui.PropertyBag;
 using Core.Common.TestUtil;
 using Core.Common.Util;
@@ -42,33 +41,22 @@
         public void Constructor_MapDataCollectionNull_ThrowsArgumentNullException()
         {
             // Call
-            TestDelegate call = () => new MapDataCollectionProperties(null, Enumerable.Empty<MapDataCollection>());
+            TestDelegate call = () => new MapDataCollectionProperties(null);
 
             // Assert
             var exception = Assert.Throws<ArgumentNullException>(call);
             Assert.AreEqual("mapDataCollection", exception.ParamName);
         }
 
         [Test]
-        public void Constructor_ParentsNull_ThrowsArgumentNullException()
-        {
-            // Call
-            TestDelegate call = () => new MapDataCollectionProperties(new MapDataCollection("Test"), null);
-
-            // Assert
-            var exception = Assert.Throws<ArgumentNullException>(call);
-            Assert.AreEqual("parents", exception.ParamName);
-        }
-
-        [Test]
         public void Constructor_ExpectedValues()
         {
             // Setup
             var mapDataCollection = new MapDataCollection("Test");
             mapDataCollection.Add(new TestFeatureBasedMapData());
 
             // Call
-            var properties = new MapDataCollectionProperties(mapDataCollection, Enumerable.Empty<MapDataCollection>());
+            var properties = new MapDataCollectionProperties(mapDataCollection);
 
             // Assert
             Assert.IsInstanceOf<ObjectProperties<MapDataCollection>>(properties);
@@ -88,7 +76,7 @@
             var mapDataCollection = new MapDataCollection("Test");
 
             // Call
-            var properties = new MapDataCollectionProperties(mapDataCollection, Enumerable.Empty<MapDataCollection>());
+            var properties = new MapDataCollectionProperties(mapDataCollection);
 
             // Assert
             PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);