Index: Ringtoets/Integration/src/Ringtoets.Integration.Forms/Merge/AssessmentSectionMergeDataProviderDialog.cs
===================================================================
diff -u -re0476d8c340b412a22c14d0869888a84e0e4fe5f -r9f96ab926e3b3738ea9b2f566b5682250ec1b76c
--- Ringtoets/Integration/src/Ringtoets.Integration.Forms/Merge/AssessmentSectionMergeDataProviderDialog.cs	(.../AssessmentSectionMergeDataProviderDialog.cs)	(revision e0476d8c340b412a22c14d0869888a84e0e4fe5f)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Forms/Merge/AssessmentSectionMergeDataProviderDialog.cs	(.../AssessmentSectionMergeDataProviderDialog.cs)	(revision 9f96ab926e3b3738ea9b2f566b5682250ec1b76c)
@@ -43,6 +43,8 @@
         private FailureMechanismMergeDataRow[] failureMechanismMergeDataRows;
         private bool assessmentSectionComboBoxUpdating;
         private bool isDataSelected;
+        private AssessmentSection selectedAssessmentSection;
+        private IEnumerable<IFailureMechanism> selectedFailureMechanisms;
 
         /// <summary>
         /// Creates a new instance of the <see cref="AssessmentSectionMergeDataProviderDialog"/>.
@@ -58,9 +60,6 @@
             InitializeDataGridView();
         }
 
-        public AssessmentSection SelectedAssessmentSection { get; private set; }
-        public IEnumerable<IFailureMechanism> SelectedFailureMechanisms { get; private set; }
-
         public AssessmentSectionMergeData SelectData(IEnumerable<AssessmentSection> assessmentSections)
         {
             if (assessmentSections == null)
@@ -71,8 +70,8 @@
             SetComboBoxData(assessmentSections);
             ShowDialog();
 
-            return isDataSelected 
-                       ? new AssessmentSectionMergeData(SelectedAssessmentSection, SelectedFailureMechanisms) 
+            return isDataSelected
+                       ? new AssessmentSectionMergeData(selectedAssessmentSection, selectedFailureMechanisms)
                        : null;
         }
 
@@ -178,8 +177,8 @@
 
         private void OnImportButtonClick(object sender, EventArgs eventArgs)
         {
-            SelectedAssessmentSection = (AssessmentSection) assessmentSectionComboBox.SelectedItem;
-            SelectedFailureMechanisms = failureMechanismMergeDataRows?.Where(row => row.IsSelected)
+            selectedAssessmentSection = (AssessmentSection) assessmentSectionComboBox.SelectedItem;
+            selectedFailureMechanisms = failureMechanismMergeDataRows?.Where(row => row.IsSelected)
                                                                      .Select(row => row.FailureMechanism)
                                                                      .ToArray();
 
Index: Ringtoets/Integration/src/Ringtoets.Integration.Forms/Merge/IAssessmentSectionMergeDataProvider.cs
===================================================================
diff -u -re0476d8c340b412a22c14d0869888a84e0e4fe5f -r9f96ab926e3b3738ea9b2f566b5682250ec1b76c
--- Ringtoets/Integration/src/Ringtoets.Integration.Forms/Merge/IAssessmentSectionMergeDataProvider.cs	(.../IAssessmentSectionMergeDataProvider.cs)	(revision e0476d8c340b412a22c14d0869888a84e0e4fe5f)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Forms/Merge/IAssessmentSectionMergeDataProvider.cs	(.../IAssessmentSectionMergeDataProvider.cs)	(revision 9f96ab926e3b3738ea9b2f566b5682250ec1b76c)
@@ -21,7 +21,6 @@
 
 using System;
 using System.Collections.Generic;
-using Ringtoets.Common.Data.FailureMechanism;
 using Ringtoets.Integration.Data;
 using Ringtoets.Integration.Data.Merge;
 
@@ -33,16 +32,6 @@
     public interface IAssessmentSectionMergeDataProvider
     {
         /// <summary>
-        /// Gets the selected <see cref="AssessmentSection"/>.
-        /// </summary>
-        AssessmentSection SelectedAssessmentSection { get; }
-
-        /// <summary>
-        /// Gets the collection of selected <see cref="IFailureMechanism"/>.
-        /// </summary>
-        IEnumerable<IFailureMechanism> SelectedFailureMechanisms { get; }
-
-        /// <summary>
         /// Select the data to merge.
         /// </summary>
         /// <param name="assessmentSections">The collection of assessment sections to select from.</param>