Index: Riskeer/Common/src/Riskeer.Common.Forms/ChangeHandlers/FailureMechanismPropertyChangeHandler.cs
===================================================================
diff -u -r98435e06d93b63f51f1d72c832baec370c7fcad9 -r1303456faf1638a7b6e44c3de4ba4987c305adc4
--- Riskeer/Common/src/Riskeer.Common.Forms/ChangeHandlers/FailureMechanismPropertyChangeHandler.cs	(.../FailureMechanismPropertyChangeHandler.cs)	(revision 98435e06d93b63f51f1d72c832baec370c7fcad9)
+++ Riskeer/Common/src/Riskeer.Common.Forms/ChangeHandlers/FailureMechanismPropertyChangeHandler.cs	(.../FailureMechanismPropertyChangeHandler.cs)	(revision 1303456faf1638a7b6e44c3de4ba4987c305adc4)
@@ -48,11 +48,6 @@
                 throw new ArgumentNullException(nameof(failureMechanism));
             }
 
-            if (value == null)
-            {
-                throw new ArgumentNullException(nameof(value));
-            }
-
             if (setValue == null)
             {
                 throw new ArgumentNullException(nameof(setValue));
Index: Riskeer/Common/test/Riskeer.Common.Forms.Test/ChangeHandlers/FailureMechanismPropertyChangeHandlerTest.cs
===================================================================
diff -u -rd9119b8f4a74fb2a6f3ececeaea94f0e58513c52 -r1303456faf1638a7b6e44c3de4ba4987c305adc4
--- Riskeer/Common/test/Riskeer.Common.Forms.Test/ChangeHandlers/FailureMechanismPropertyChangeHandlerTest.cs	(.../FailureMechanismPropertyChangeHandlerTest.cs)	(revision d9119b8f4a74fb2a6f3ececeaea94f0e58513c52)
+++ Riskeer/Common/test/Riskeer.Common.Forms.Test/ChangeHandlers/FailureMechanismPropertyChangeHandlerTest.cs	(.../FailureMechanismPropertyChangeHandlerTest.cs)	(revision 1303456faf1638a7b6e44c3de4ba4987c305adc4)
@@ -62,20 +62,6 @@
         }
 
         [Test]
-        public void SetPropertyValueAfterConfirmation_WithoutValue_ThrowsArgumentNullException()
-        {
-            // Setup
-            var changeHandler = new FailureMechanismPropertyChangeHandler<ICalculatableFailureMechanism>();
-
-            // Call
-            void Call() => changeHandler.SetPropertyValueAfterConfirmation<int?>(new TestCalculatableFailureMechanism(), null, (f, v) => {});
-
-            // Assert
-            string paramName = Assert.Throws<ArgumentNullException>(Call).ParamName;
-            Assert.AreEqual("value", paramName);
-        }
-
-        [Test]
         public void SetPropertyValueAfterConfirmation_WithoutSetProperty_ThrowsArgumentNullException()
         {
             // Setup