Index: src/Deltares.DSoilModel.Forms/DSoilModelContext.cs
===================================================================
diff -u -r647 -r652
--- src/Deltares.DSoilModel.Forms/DSoilModelContext.cs	(.../DSoilModelContext.cs)	(revision 647)
+++ src/Deltares.DSoilModel.Forms/DSoilModelContext.cs	(.../DSoilModelContext.cs)	(revision 652)
@@ -413,6 +413,19 @@
                 }
             }
 
+            var geometryEditor = source as GeometryEditor;
+            if (geometryEditor != null)
+            {
+                if (member == "DeleteSelectedObjects")
+                {
+                    var selection = geometryEditor.SpatialEditor.EmptySelection;
+                    if (selection != null && (selection.DataObject is ConePenetrationTestData || selection.DataObject is Boring))
+                    {
+                        return false;
+                    }
+                }
+            }
+
             return base.IsEnabled(source, member);
         }
 
@@ -524,7 +537,6 @@
             {
                 return ParameterView != ParameterViewSettings.ProbabilisticParameters;
             }
-
             return null;
         }
     }
Index: src/Deltares.DSoilModel.Forms.Tests/DSoilModelContextTest.cs
===================================================================
diff -u -r647 -r652
--- src/Deltares.DSoilModel.Forms.Tests/DSoilModelContextTest.cs	(.../DSoilModelContextTest.cs)	(revision 647)
+++ src/Deltares.DSoilModel.Forms.Tests/DSoilModelContextTest.cs	(.../DSoilModelContextTest.cs)	(revision 652)
@@ -8,6 +8,7 @@
 using Deltares.Geotechnics.Mechanisms;
 using Deltares.Standard;
 using Deltares.Standard.Attributes;
+using Deltares.Standard.Forms;
 using Deltares.Standard.Forms.DExpress;
 using Deltares.Standard.Reflection;
 using NUnit.Framework;
@@ -472,11 +473,27 @@
 
         [TestCase(typeof(CharacteristicPoint), "X", false)]
         [TestCase(typeof(CharacteristicPoint), "Z", false)]
-        public void IsEnabledTest(Type senderType, string memberName, bool expectedVisible)
+        public void IsEnabledTest(Type senderType, string memberName, bool? expectedVisible)
         {
             var sender = Activator.CreateInstance(senderType);
             var context = new DSoilModelContext();
             Assert.AreEqual(expectedVisible, context.IsEnabled(sender, memberName));
         }
+
+        [TestCase(typeof(ConePenetrationTestData))]
+        [TestCase(typeof(Boring))]
+        public void DisableDeletingSelectedObjectInGeometryEditor(Type selectedType)
+        {
+            var geometryEditor = new GeometryEditor();
+            var context = new DSoilModelContext();
+            
+            // response depends on selected object in geometry editor
+            Assert.AreEqual(null, context.IsEnabled(geometryEditor, "DeleteSelectedObjects"));
+
+            var selection = Activator.CreateInstance(selectedType);
+            geometryEditor.SpatialEditor.EmptySelection = new Shape { DataObject = selection };
+            
+            Assert.AreEqual(false, context.IsEnabled(geometryEditor, "DeleteSelectedObjects"));
+        }
     }
 }