Index: Ringtoets/Storage/src/Ringtoets.Storage.Core/Create/AssessmentSectionCreateExtensions.cs
===================================================================
diff -u -rba834431b63ea0985c60a0987ca8fb720f801ab6 -rdcec45815c8f82a7331bb0e83e33d46f227d8324
--- Ringtoets/Storage/src/Ringtoets.Storage.Core/Create/AssessmentSectionCreateExtensions.cs	(.../AssessmentSectionCreateExtensions.cs)	(revision ba834431b63ea0985c60a0987ca8fb720f801ab6)
+++ Ringtoets/Storage/src/Ringtoets.Storage.Core/Create/AssessmentSectionCreateExtensions.cs	(.../AssessmentSectionCreateExtensions.cs)	(revision dcec45815c8f82a7331bb0e83e33d46f227d8324)
@@ -123,15 +123,6 @@
                 entity.HydraulicDatabaseLocation = hydraulicBoundaryDatabase.FilePath.DeepClone();
                 entity.HydraulicDatabaseVersion = hydraulicBoundaryDatabase.Version.DeepClone();
 
-                if (hydraulicBoundaryDatabase.CanUsePreprocessor)
-                {
-                    entity.HydraRingPreprocessorEntities.Add(new HydraRingPreprocessorEntity
-                    {
-                        UsePreprocessor = Convert.ToByte(hydraulicBoundaryDatabase.UsePreprocessor),
-                        PreprocessorDirectory = hydraulicBoundaryDatabase.PreprocessorDirectory.DeepClone()
-                    });
-                }
-
                 for (var i = 0; i < hydraulicBoundaryDatabase.Locations.Count; i++)
                 {
                     HydraulicBoundaryLocation hydraulicBoundaryLocation = hydraulicBoundaryDatabase.Locations[i];
Index: Ringtoets/Storage/src/Ringtoets.Storage.Core/DbContext/PartialRingtoetsEntities.cs
===================================================================
diff -u -r92a7d5fbc462aa16be6eba11ba9e7b54fcd38622 -rdcec45815c8f82a7331bb0e83e33d46f227d8324
--- Ringtoets/Storage/src/Ringtoets.Storage.Core/DbContext/PartialRingtoetsEntities.cs	(.../PartialRingtoetsEntities.cs)	(revision 92a7d5fbc462aa16be6eba11ba9e7b54fcd38622)
+++ Ringtoets/Storage/src/Ringtoets.Storage.Core/DbContext/PartialRingtoetsEntities.cs	(.../PartialRingtoetsEntities.cs)	(revision dcec45815c8f82a7331bb0e83e33d46f227d8324)
@@ -85,7 +85,6 @@
                                                           .Load();
             HydraulicLocationCalculationEntities.Load();
             HydraulicLocationOutputEntities.Load();
-            HydraRingPreprocessorEntities.Load();
             MacroStabilityInwardsCharacteristicPointEntities.Load();
             MacroStabilityInwardsSectionResultEntities.Load();
             MacroStabilityInwardsFailureMechanismMetaEntities.Load();
Index: Ringtoets/Storage/src/Ringtoets.Storage.Core/Read/AssessmentSectionEntityReadExtensions.cs
===================================================================
diff -u -rba834431b63ea0985c60a0987ca8fb720f801ab6 -rdcec45815c8f82a7331bb0e83e33d46f227d8324
--- Ringtoets/Storage/src/Ringtoets.Storage.Core/Read/AssessmentSectionEntityReadExtensions.cs	(.../AssessmentSectionEntityReadExtensions.cs)	(revision ba834431b63ea0985c60a0987ca8fb720f801ab6)
+++ Ringtoets/Storage/src/Ringtoets.Storage.Core/Read/AssessmentSectionEntityReadExtensions.cs	(.../AssessmentSectionEntityReadExtensions.cs)	(revision dcec45815c8f82a7331bb0e83e33d46f227d8324)
@@ -122,20 +122,10 @@
         {
             if (entity.HydraulicDatabaseLocation != null)
             {
-                HydraRingPreprocessorEntity preprocessorEntity = entity.HydraRingPreprocessorEntities.FirstOrDefault();
-
                 HydraulicBoundaryDatabase hydraulicBoundaryDatabase = assessmentSection.HydraulicBoundaryDatabase;
-
                 hydraulicBoundaryDatabase.FilePath = entity.HydraulicDatabaseLocation;
                 hydraulicBoundaryDatabase.Version = entity.HydraulicDatabaseVersion;
 
-                if (preprocessorEntity != null)
-                {
-                    hydraulicBoundaryDatabase.CanUsePreprocessor = true;
-                    hydraulicBoundaryDatabase.UsePreprocessor = Convert.ToBoolean(preprocessorEntity.UsePreprocessor);
-                    hydraulicBoundaryDatabase.PreprocessorDirectory = preprocessorEntity.PreprocessorDirectory;
-                }
-
                 HydraulicBoundaryLocation[] readHydraulicBoundaryLocations = entity.HydraulicLocationEntities
                                                                                    .OrderBy(hl => hl.Order)
                                                                                    .Select(hle => hle.Read(collector))
Index: Ringtoets/Storage/test/Ringtoets.Storage.Core.Test/Create/AssessmentSectionCreateExtensionsTest.cs
===================================================================
diff -u -rba834431b63ea0985c60a0987ca8fb720f801ab6 -rdcec45815c8f82a7331bb0e83e33d46f227d8324
--- Ringtoets/Storage/test/Ringtoets.Storage.Core.Test/Create/AssessmentSectionCreateExtensionsTest.cs	(.../AssessmentSectionCreateExtensionsTest.cs)	(revision ba834431b63ea0985c60a0987ca8fb720f801ab6)
+++ Ringtoets/Storage/test/Ringtoets.Storage.Core.Test/Create/AssessmentSectionCreateExtensionsTest.cs	(.../AssessmentSectionCreateExtensionsTest.cs)	(revision dcec45815c8f82a7331bb0e83e33d46f227d8324)
@@ -196,7 +196,6 @@
             Assert.IsNull(entity.HydraulicDatabaseLocation);
             Assert.IsNull(entity.HydraulicDatabaseVersion);
             CollectionAssert.IsEmpty(entity.HydraulicLocationEntities);
-            CollectionAssert.IsEmpty(entity.HydraRingPreprocessorEntities);
 
             AssertHydraulicLocationCalculationCollectionEntities(assessmentSection, entity);
         }
@@ -239,72 +238,6 @@
         }
 
         [Test]
-        public void Create_HydraulicBoundaryDatabaseLinkedWithCanUsePreprocessorFalse_SetsExpectedPropertiesToEntity()
-        {
-            // Setup
-            const string testFilePath = "path";
-            const string testVersion = "1";
-
-            var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike)
-            {
-                HydraulicBoundaryDatabase =
-                {
-                    FilePath = testFilePath,
-                    Version = testVersion,
-                    Locations =
-                    {
-                        new HydraulicBoundaryLocation(-1, "name", 1, 2)
-                    }
-                }
-            };
-
-            var registry = new PersistenceRegistry();
-
-            // Call
-            AssessmentSectionEntity entity = assessmentSection.Create(registry, 0);
-
-            // Assert
-            CollectionAssert.IsEmpty(entity.HydraRingPreprocessorEntities);
-        }
-
-        [Test]
-        public void Create_HydraulicBoundaryDatabaseLinkedWithCanUsePreprocessorTrue_SetsExpectedPropertiesToEntity()
-        {
-            // Setup
-            const string testFilePath = "path";
-            const string testVersion = "1";
-            const bool usePreprocessor = true;
-            const string preprocessorDirectory = "directory";
-
-            var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike)
-            {
-                HydraulicBoundaryDatabase =
-                {
-                    FilePath = testFilePath,
-                    Version = testVersion,
-                    Locations =
-                    {
-                        new HydraulicBoundaryLocation(-1, "name", 1, 2)
-                    },
-                    CanUsePreprocessor = true,
-                    UsePreprocessor = usePreprocessor,
-                    PreprocessorDirectory = preprocessorDirectory
-                }
-            };
-
-            var registry = new PersistenceRegistry();
-
-            // Call
-            AssessmentSectionEntity entity = assessmentSection.Create(registry, 0);
-
-            // Assert
-            Assert.AreEqual(1, entity.HydraRingPreprocessorEntities.Count);
-            HydraRingPreprocessorEntity preprocessorEntity = entity.HydraRingPreprocessorEntities.First();
-            Assert.AreEqual(Convert.ToByte(usePreprocessor), preprocessorEntity.UsePreprocessor);
-            Assert.AreEqual(preprocessorDirectory, preprocessorEntity.PreprocessorDirectory);
-        }
-
-        [Test]
         public void Create_WithReferenceLine_AddsReferenceLinePointEntities()
         {
             // Setup
Index: Ringtoets/Storage/test/Ringtoets.Storage.Core.Test/Read/AssessmentSectionEntityReadExtensionsTest.cs
===================================================================
diff -u -rba834431b63ea0985c60a0987ca8fb720f801ab6 -rdcec45815c8f82a7331bb0e83e33d46f227d8324
--- Ringtoets/Storage/test/Ringtoets.Storage.Core.Test/Read/AssessmentSectionEntityReadExtensionsTest.cs	(.../AssessmentSectionEntityReadExtensionsTest.cs)	(revision ba834431b63ea0985c60a0987ca8fb720f801ab6)
+++ Ringtoets/Storage/test/Ringtoets.Storage.Core.Test/Read/AssessmentSectionEntityReadExtensionsTest.cs	(.../AssessmentSectionEntityReadExtensionsTest.cs)	(revision dcec45815c8f82a7331bb0e83e33d46f227d8324)
@@ -387,7 +387,7 @@
         }
 
         [Test]
-        public void Read_WithHydraulicDatabaseLocationWithoutPreprocessor_ReturnsNewAssessmentSectionWithHydraulicDatabaseSet()
+        public void Read_WithHydraulicBoundaryLocationDatabase_ReturnsNewAssessmentSectionWithHydraulicDatabaseSet()
         {
             // Setup
             AssessmentSectionEntity entity = CreateAssessmentSectionEntity();
@@ -420,46 +420,6 @@
         }
 
         [Test]
-        public void Read_WithHydraulicDatabaseLocationAndPreprocessor_ReturnsNewAssessmentSectionWithHydraulicDatabaseSet()
-        {
-            // Setup
-            AssessmentSectionEntity entity = CreateAssessmentSectionEntity();
-
-            const string testLocation = "testLocation";
-            const string testVersion = "testVersion";
-            const byte usePreprocessor = 1;
-            const string preprocessorDirectory = "preprocessorLocation";
-            entity.HydraulicDatabaseLocation = testLocation;
-            entity.HydraulicDatabaseVersion = testVersion;
-            entity.BackgroundDataEntities.Add(CreateBackgroundDataEntity());
-            entity.HydraRingPreprocessorEntities.Add(new HydraRingPreprocessorEntity
-            {
-                UsePreprocessor = usePreprocessor,
-                PreprocessorDirectory = preprocessorDirectory
-            });
-            entity.HydraulicLocationCalculationCollectionEntity = new HydraulicLocationCalculationCollectionEntity();
-            entity.HydraulicLocationCalculationCollectionEntity1 = new HydraulicLocationCalculationCollectionEntity();
-            entity.HydraulicLocationCalculationCollectionEntity2 = new HydraulicLocationCalculationCollectionEntity();
-            entity.HydraulicLocationCalculationCollectionEntity3 = new HydraulicLocationCalculationCollectionEntity();
-            entity.HydraulicLocationCalculationCollectionEntity4 = new HydraulicLocationCalculationCollectionEntity();
-            entity.HydraulicLocationCalculationCollectionEntity5 = new HydraulicLocationCalculationCollectionEntity();
-            entity.HydraulicLocationCalculationCollectionEntity6 = new HydraulicLocationCalculationCollectionEntity();
-            entity.HydraulicLocationCalculationCollectionEntity7 = new HydraulicLocationCalculationCollectionEntity();
-
-            var collector = new ReadConversionCollector();
-
-            // Call
-            AssessmentSection section = entity.Read(collector);
-
-            // Assert
-            Assert.AreEqual(testLocation, section.HydraulicBoundaryDatabase.FilePath);
-            Assert.AreEqual(testVersion, section.HydraulicBoundaryDatabase.Version);
-            Assert.IsTrue(section.HydraulicBoundaryDatabase.CanUsePreprocessor);
-            Assert.AreEqual(Convert.ToBoolean(usePreprocessor), section.HydraulicBoundaryDatabase.UsePreprocessor);
-            Assert.AreEqual(preprocessorDirectory, section.HydraulicBoundaryDatabase.PreprocessorDirectory);
-        }
-
-        [Test]
         public void Read_WithPipingFailureMechanismProperties_ReturnsNewAssessmentSectionWithPropertiesInPipingFailureMechanism()
         {
             // Setup