Index: Ringtoets/Integration/src/Ringtoets.Integration.Forms/Merge/AssessmentSectionProviderDialog.cs
===================================================================
diff -u -r283277d753eec15fec834e7e24a0bf83342a5c09 -r3cc25843cfed925215b07a84c6b6f2d25ab4add6
--- Ringtoets/Integration/src/Ringtoets.Integration.Forms/Merge/AssessmentSectionProviderDialog.cs	(.../AssessmentSectionProviderDialog.cs)	(revision 283277d753eec15fec834e7e24a0bf83342a5c09)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Forms/Merge/AssessmentSectionProviderDialog.cs	(.../AssessmentSectionProviderDialog.cs)	(revision 3cc25843cfed925215b07a84c6b6f2d25ab4add6)
@@ -10,14 +10,9 @@
 {
     public partial class AssessmentSectionProviderDialog : DialogBase, IMergeDataProvider
     {
-        public AssessmentSectionProviderDialog(IWin32Window dialogParent, IEnumerable<AssessmentSection> assessmentSections)
+        public AssessmentSectionProviderDialog(IWin32Window dialogParent)
             : base(dialogParent, RingtoetsCommonFormsResources.SelectionDialogIcon, 500, 350)
         {
-            if (assessmentSections == null)
-            {
-                throw new ArgumentNullException(nameof(assessmentSections));
-            }
-
             InitializeComponent();
             InitializeDataGridView();
         }
Index: Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/Merge/AssessmentSectionProviderDialogTest.cs
===================================================================
diff -u -r283277d753eec15fec834e7e24a0bf83342a5c09 -r3cc25843cfed925215b07a84c6b6f2d25ab4add6
--- Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/Merge/AssessmentSectionProviderDialogTest.cs	(.../AssessmentSectionProviderDialogTest.cs)	(revision 283277d753eec15fec834e7e24a0bf83342a5c09)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/Merge/AssessmentSectionProviderDialogTest.cs	(.../AssessmentSectionProviderDialogTest.cs)	(revision 3cc25843cfed925215b07a84c6b6f2d25ab4add6)
@@ -29,42 +29,23 @@
         public void Constructor_DialogParentNull_ThrowsArgumentNullException()
         {
             // Call
-            TestDelegate call = () => new AssessmentSectionProviderDialog(null, Enumerable.Empty<AssessmentSection>());
+            TestDelegate call = () => new AssessmentSectionProviderDialog(null);
 
             // Assert
             var exception = Assert.Throws<ArgumentNullException>(call);
             Assert.AreEqual("dialogParent", exception.ParamName);
         }
 
         [Test]
-        public void Constructor_AssessmentSectionsNull_ThrowsArgumentNullException()
-        {
-            // Setup
-            var mocks = new MockRepository();
-            var dialogParent = mocks.Stub<IWin32Window>();
-            mocks.ReplayAll();
-
-            // Call
-            TestDelegate call = () => new AssessmentSectionProviderDialog(dialogParent, null);
-
-            // Assert
-            var exception = Assert.Throws<ArgumentNullException>(call);
-            Assert.AreEqual("assessmentSections", exception.ParamName);
-            mocks.VerifyAll();
-        }
-
-        [Test]
         public void Constructor_ExpectedValues()
         {
             // Setup
             var mocks = new MockRepository();
             var dialogParent = mocks.Stub<IWin32Window>();
             mocks.ReplayAll();
 
-            IEnumerable<AssessmentSection> assessmentSections = Enumerable.Empty<AssessmentSection>();
-
             // Call
-            using (var dialog = new AssessmentSectionProviderDialog(dialogParent, assessmentSections))
+            using (var dialog = new AssessmentSectionProviderDialog(dialogParent))
             {
                 // Assert
                 Assert.IsInstanceOf<DialogBase>(dialog);
@@ -86,7 +67,7 @@
         {
             // Setup
             using (var dialogParent = new Form())
-            using (var dialog = new AssessmentSectionProviderDialog(dialogParent, Enumerable.Empty<AssessmentSection>()))
+            using (var dialog = new AssessmentSectionProviderDialog(dialogParent))
             {
                 // Call
                 dialog.Show();