Index: Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.CalculatedInput/WaternetCalculationService.cs
===================================================================
diff -u -r86594ccd7329d320872573a1d066fe18959d3cea -r71148524edf9415e4c488bcb41755cd1b3b49fd8
--- Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.CalculatedInput/WaternetCalculationService.cs	(.../WaternetCalculationService.cs)	(revision 86594ccd7329d320872573a1d066fe18959d3cea)
+++ Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.CalculatedInput/WaternetCalculationService.cs	(.../WaternetCalculationService.cs)	(revision 71148524edf9415e4c488bcb41755cd1b3b49fd8)
@@ -136,7 +136,6 @@
             {
                 WaternetCreationMode = WaternetCreationMode.CreateWaternet,
                 PlLineCreationMethod = PlLineCreationMethod.RingtoetsWti2017,
-                LandwardDirection = LandwardDirection.PositiveX,
                 SurfaceLine = input.SurfaceLine,
                 SoilProfile = SoilProfileConverter.Convert(input.SoilProfileUnderSurfaceLine),
                 DrainageConstruction = DrainageConstructionConverter.Convert(input),
Fisheye: Tag 71148524edf9415e4c488bcb41755cd1b3b49fd8 refers to a dead (removed) revision in file `Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.KernelWrapper/Calculators/Input/LandwardDirection.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Index: Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.KernelWrapper/Calculators/UpliftVan/Input/UpliftVanCalculatorInput.cs
===================================================================
diff -u -r86594ccd7329d320872573a1d066fe18959d3cea -r71148524edf9415e4c488bcb41755cd1b3b49fd8
--- Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.KernelWrapper/Calculators/UpliftVan/Input/UpliftVanCalculatorInput.cs	(.../UpliftVanCalculatorInput.cs)	(revision 86594ccd7329d320872573a1d066fe18959d3cea)
+++ Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.KernelWrapper/Calculators/UpliftVan/Input/UpliftVanCalculatorInput.cs	(.../UpliftVanCalculatorInput.cs)	(revision 71148524edf9415e4c488bcb41755cd1b3b49fd8)
@@ -86,7 +86,6 @@
             WaternetCreationMode = properties.WaternetCreationMode;
             PlLineCreationMethod = properties.PlLineCreationMethod;
             AssessmentLevel = properties.AssessmentLevel;
-            LandwardDirection = properties.LandwardDirection;
             SurfaceLine = properties.SurfaceLine;
             SoilProfile = properties.SoilProfile;
             DrainageConstruction = properties.DrainageConstruction;
@@ -126,7 +125,6 @@
                 WaternetCreationMode = WaternetCreationMode.CreateWaternet;
                 PlLineCreationMethod = PlLineCreationMethod.RingtoetsWti2017;
                 AssessmentLevel = double.NaN;
-                LandwardDirection = LandwardDirection.PositiveX;
                 WaterLevelRiverAverage = double.NaN;
                 WaterLevelPolderExtreme = double.NaN;
                 WaterLevelPolderDaily = double.NaN;
@@ -163,11 +161,6 @@
             public double AssessmentLevel { internal get; set; }
 
             /// <summary>
-            /// Gets or sets the landward direction of <see cref="SurfaceLine"/>.
-            /// </summary>
-            public LandwardDirection LandwardDirection { internal get; set; }
-
-            /// <summary>
             /// Gets or sets the surface line.
             /// </summary>
             public MacroStabilityInwardsSurfaceLine SurfaceLine { internal get; set; }
@@ -323,11 +316,6 @@
         public double AssessmentLevel { get; }
 
         /// <summary>
-        /// Gets the landward direction of <see cref="SurfaceLine"/>.
-        /// </summary>
-        public LandwardDirection LandwardDirection { get; }
-
-        /// <summary>
         /// Gets the surface line.
         /// </summary>
         public MacroStabilityInwardsSurfaceLine SurfaceLine { get; }
Index: Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.KernelWrapper/Calculators/UpliftVan/UpliftVanCalculator.cs
===================================================================
diff -u -rc40864eb1a9d292ad2b9058fb28e63811be38498 -r71148524edf9415e4c488bcb41755cd1b3b49fd8
--- Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.KernelWrapper/Calculators/UpliftVan/UpliftVanCalculator.cs	(.../UpliftVanCalculator.cs)	(revision c40864eb1a9d292ad2b9058fb28e63811be38498)
+++ Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.KernelWrapper/Calculators/UpliftVan/UpliftVanCalculator.cs	(.../UpliftVanCalculator.cs)	(revision 71148524edf9415e4c488bcb41755cd1b3b49fd8)
@@ -120,7 +120,7 @@
             upliftVanKernel.SetSoilProfile(SoilProfileCreator.Create(input.SoilProfile.PreconsolidationStresses, layersWithSoil));
             upliftVanKernel.SetLocationExtreme(UpliftVanStabilityLocationCreator.CreateExtreme(input));
             upliftVanKernel.SetLocationDaily(UpliftVanStabilityLocationCreator.CreateDaily(input));
-            upliftVanKernel.SetSurfaceLine(SurfaceLineCreator.Create(input.SurfaceLine, input.LandwardDirection));
+            upliftVanKernel.SetSurfaceLine(SurfaceLineCreator.Create(input.SurfaceLine));
             upliftVanKernel.SetSlipPlaneUpliftVan(SlipPlaneUpliftVanCreator.Create(input.SlipPlane));
             upliftVanKernel.SetSlipPlaneConstraints(SlipPlaneConstraintsCreator.Create(input.SlipPlaneConstraints));
             upliftVanKernel.SetGridAutomaticDetermined(input.SlipPlane.GridAutomaticDetermined);
Index: Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.KernelWrapper/Calculators/Waternet/Input/WaternetCalculatorInput.cs
===================================================================
diff -u -r86594ccd7329d320872573a1d066fe18959d3cea -r71148524edf9415e4c488bcb41755cd1b3b49fd8
--- Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.KernelWrapper/Calculators/Waternet/Input/WaternetCalculatorInput.cs	(.../WaternetCalculatorInput.cs)	(revision 86594ccd7329d320872573a1d066fe18959d3cea)
+++ Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.KernelWrapper/Calculators/Waternet/Input/WaternetCalculatorInput.cs	(.../WaternetCalculatorInput.cs)	(revision 71148524edf9415e4c488bcb41755cd1b3b49fd8)
@@ -74,7 +74,6 @@
             WaternetCreationMode = properties.WaternetCreationMode;
             PlLineCreationMethod = properties.PlLineCreationMethod;
             AssessmentLevel = properties.AssessmentLevel;
-            LandwardDirection = properties.LandwardDirection;
             SurfaceLine = properties.SurfaceLine;
             SoilProfile = properties.SoilProfile;
             DrainageConstruction = properties.DrainageConstruction;
@@ -107,7 +106,6 @@
                 WaternetCreationMode = WaternetCreationMode.CreateWaternet;
                 PlLineCreationMethod = PlLineCreationMethod.RingtoetsWti2017;
                 AssessmentLevel = double.NaN;
-                LandwardDirection = LandwardDirection.PositiveX;
                 WaterLevelRiverAverage = double.NaN;
                 WaterLevelPolder = double.NaN;
                 MinimumLevelPhreaticLineAtDikeTopRiver = double.NaN;
@@ -141,11 +139,6 @@
             public double AssessmentLevel { internal get; set; }
 
             /// <summary>
-            /// Gets or sets the landward direction of <see cref="SurfaceLine"/>.
-            /// </summary>
-            public LandwardDirection LandwardDirection { internal get; set; }
-
-            /// <summary>
             /// Gets or sets the surface line.
             /// </summary>
             public MacroStabilityInwardsSurfaceLine SurfaceLine { internal get; set; }
@@ -263,11 +256,6 @@
         public double AssessmentLevel { get; }
 
         /// <summary>
-        /// Gets the landward direction of <see cref="SurfaceLine"/>.
-        /// </summary>
-        public LandwardDirection LandwardDirection { get; }
-
-        /// <summary>
         /// Gets the surface line.
         /// </summary>
         public MacroStabilityInwardsSurfaceLine SurfaceLine { get; }
Index: Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.KernelWrapper/Calculators/Waternet/WaternetCalculator.cs
===================================================================
diff -u -r87b2859379de95fc1a835e27c2575009f196cd88 -r71148524edf9415e4c488bcb41755cd1b3b49fd8
--- Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.KernelWrapper/Calculators/Waternet/WaternetCalculator.cs	(.../WaternetCalculator.cs)	(revision 87b2859379de95fc1a835e27c2575009f196cd88)
+++ Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.KernelWrapper/Calculators/Waternet/WaternetCalculator.cs	(.../WaternetCalculator.cs)	(revision 71148524edf9415e4c488bcb41755cd1b3b49fd8)
@@ -109,7 +109,7 @@
             waternetKernel.SetLocation(WaternetStabilityLocationCreator.Create(Input));
             waternetKernel.SetSoilModel(SoilModelCreator.Create(layersWithSoil.Select(lws => lws.Soil).ToArray()));
             waternetKernel.SetSoilProfile(SoilProfileCreator.Create(Input.SoilProfile.PreconsolidationStresses, layersWithSoil));
-            waternetKernel.SetSurfaceLine(SurfaceLineCreator.Create(Input.SurfaceLine, Input.LandwardDirection));
+            waternetKernel.SetSurfaceLine(SurfaceLineCreator.Create(Input.SurfaceLine));
         }
     }
 }
\ No newline at end of file
Index: Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.KernelWrapper/Creators/Input/SurfaceLineCreator.cs
===================================================================
diff -u -rd11571aac4a3ec206f9a4279369d446859e9edbf -r71148524edf9415e4c488bcb41755cd1b3b49fd8
--- Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.KernelWrapper/Creators/Input/SurfaceLineCreator.cs	(.../SurfaceLineCreator.cs)	(revision d11571aac4a3ec206f9a4279369d446859e9edbf)
+++ Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.KernelWrapper/Creators/Input/SurfaceLineCreator.cs	(.../SurfaceLineCreator.cs)	(revision 71148524edf9415e4c488bcb41755cd1b3b49fd8)
@@ -26,8 +26,6 @@
 using Core.Common.Base.Geometry;
 using Deltares.MacroStability.Geometry;
 using Riskeer.MacroStabilityInwards.Primitives;
-using LandwardDirection = Riskeer.MacroStabilityInwards.KernelWrapper.Calculators.Input.LandwardDirection;
-using WtiStabilityLandwardDirection = Deltares.MacroStability.Geometry.LandwardDirection;
 
 namespace Riskeer.MacroStabilityInwards.KernelWrapper.Creators.Input
 {
@@ -42,14 +40,9 @@
         /// </summary>
         /// <param name="surfaceLine">The <see cref="MacroStabilityInwardsSurfaceLine"/> from
         /// which to take the information.</param>
-        /// <param name="landwardDirection">The landward direction of the surface line.</param>
         /// <returns>A new <see cref="SurfaceLine2"/> with information taken from the <see cref="surfaceLine"/>.</returns>
         /// <exception cref="ArgumentNullException">Thrown when <paramref name="surfaceLine"/> is <c>null</c>.</exception>
-        /// <exception cref="InvalidEnumArgumentException">Thrown when <paramref name="landwardDirection"/>
-        /// is an invalid value.</exception>
-        /// <exception cref="NotSupportedException">Thrown when <paramref name="landwardDirection"/>
-        /// is a valid value, but unsupported.</exception>
-        public static SurfaceLine2 Create(MacroStabilityInwardsSurfaceLine surfaceLine, LandwardDirection landwardDirection)
+        public static SurfaceLine2 Create(MacroStabilityInwardsSurfaceLine surfaceLine)
         {
             if (surfaceLine == null)
             {
@@ -58,8 +51,7 @@
 
             var wtiSurfaceLine = new SurfaceLine2
             {
-                Name = surfaceLine.Name,
-                LandwardDirection = ConvertLandwardDirection(landwardDirection)
+                Name = surfaceLine.Name
             };
 
             if (surfaceLine.Points.Any())
@@ -79,35 +71,6 @@
             return wtiSurfaceLine;
         }
 
-        /// <summary>
-        /// Converts a <see cref="LandwardDirection"/> into a <see cref="WtiStabilityLandwardDirection"/>.
-        /// </summary>
-        /// <param name="landwardDirection">The <see cref="LandwardDirection"/> to convert.</param>
-        /// <returns>A <see cref="WtiStabilityLandwardDirection"/> based on <paramref name="landwardDirection"/>.</returns>
-        /// <exception cref="InvalidEnumArgumentException">Thrown when <paramref name="landwardDirection"/>
-        /// is an invalid value.</exception>
-        /// <exception cref="NotSupportedException">Thrown when <paramref name="landwardDirection"/>
-        /// is a valid value, but unsupported.</exception>
-        private static WtiStabilityLandwardDirection ConvertLandwardDirection(LandwardDirection landwardDirection)
-        {
-            if (!Enum.IsDefined(typeof(LandwardDirection), landwardDirection))
-            {
-                throw new InvalidEnumArgumentException(nameof(landwardDirection),
-                                                       (int) landwardDirection,
-                                                       typeof(LandwardDirection));
-            }
-
-            switch (landwardDirection)
-            {
-                case LandwardDirection.PositiveX:
-                    return WtiStabilityLandwardDirection.PositiveX;
-                case LandwardDirection.NegativeX:
-                    return WtiStabilityLandwardDirection.NegativeX;
-                default:
-                    throw new NotSupportedException();
-            }
-        }
-
         private static IEnumerable<CharacteristicPoint> CreateCharacteristicPoints(MacroStabilityInwardsSurfaceLine surfaceLine, GeometryPoint[] geometryPoints)
         {
             var characteristicPoints = new List<CharacteristicPoint>();
Index: Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.Service/MacroStabilityInwardsCalculationService.cs
===================================================================
diff -u -r77f595651b934a75a5625828a9027d7c48e8e5f9 -r71148524edf9415e4c488bcb41755cd1b3b49fd8
--- Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.Service/MacroStabilityInwardsCalculationService.cs	(.../MacroStabilityInwardsCalculationService.cs)	(revision 77f595651b934a75a5625828a9027d7c48e8e5f9)
+++ Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.Service/MacroStabilityInwardsCalculationService.cs	(.../MacroStabilityInwardsCalculationService.cs)	(revision 71148524edf9415e4c488bcb41755cd1b3b49fd8)
@@ -179,7 +179,6 @@
                     WaternetCreationMode = WaternetCreationMode.CreateWaternet,
                     PlLineCreationMethod = PlLineCreationMethod.RingtoetsWti2017,
                     AssessmentLevel = effectiveAssessmentLevel,
-                    LandwardDirection = LandwardDirection.PositiveX,
                     SurfaceLine = inputParameters.SurfaceLine,
                     SoilProfile = SoilProfileConverter.Convert(inputParameters.SoilProfileUnderSurfaceLine),
                     DrainageConstruction = DrainageConstructionConverter.Convert(inputParameters),
Index: Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.CalculatedInput.Test/WaternetCalculationServiceTest.cs
===================================================================
diff -u -r86594ccd7329d320872573a1d066fe18959d3cea -r71148524edf9415e4c488bcb41755cd1b3b49fd8
--- Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.CalculatedInput.Test/WaternetCalculationServiceTest.cs	(.../WaternetCalculationServiceTest.cs)	(revision 86594ccd7329d320872573a1d066fe18959d3cea)
+++ Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.CalculatedInput.Test/WaternetCalculationServiceTest.cs	(.../WaternetCalculationServiceTest.cs)	(revision 71148524edf9415e4c488bcb41755cd1b3b49fd8)
@@ -193,7 +193,6 @@
             CalculatorInputAssert.AssertDrainageConstruction(originalInput, actualInput.DrainageConstruction);
             Assert.AreEqual(WaternetCreationMode.CreateWaternet, actualInput.WaternetCreationMode);
             Assert.AreEqual(PlLineCreationMethod.RingtoetsWti2017, actualInput.PlLineCreationMethod);
-            Assert.AreEqual(LandwardDirection.PositiveX, actualInput.LandwardDirection);
             Assert.AreSame(originalInput.SurfaceLine, actualInput.SurfaceLine);
             Assert.AreEqual(originalInput.DikeSoilScenario, actualInput.DikeSoilScenario);
             Assert.AreEqual(originalInput.WaterLevelRiverAverage, actualInput.WaterLevelRiverAverage);
Fisheye: Tag 71148524edf9415e4c488bcb41755cd1b3b49fd8 refers to a dead (removed) revision in file `Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Calculators/Input/LandwardDirectionTest.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Index: Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Calculators/UpliftVan/Input/UpliftVanCalculatorInputTest.cs
===================================================================
diff -u -r86594ccd7329d320872573a1d066fe18959d3cea -r71148524edf9415e4c488bcb41755cd1b3b49fd8
--- Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Calculators/UpliftVan/Input/UpliftVanCalculatorInputTest.cs	(.../UpliftVanCalculatorInputTest.cs)	(revision 86594ccd7329d320872573a1d066fe18959d3cea)
+++ Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Calculators/UpliftVan/Input/UpliftVanCalculatorInputTest.cs	(.../UpliftVanCalculatorInputTest.cs)	(revision 71148524edf9415e4c488bcb41755cd1b3b49fd8)
@@ -58,7 +58,6 @@
             var slipPlaneConstraints = new UpliftVanSlipPlaneConstraints(random.NextDouble(), random.NextDouble(), random.NextBoolean());
             var waternetCreationMode = random.NextEnumValue<WaternetCreationMode>();
             var plLineCreationMethod = random.NextEnumValue<PlLineCreationMethod>();
-            var landwardDirection = random.NextEnumValue<LandwardDirection>();
             double waterLevelRiverAverage = random.NextDouble();
             double waterLevelPolderExtreme = random.NextDouble();
             double waterLevelPolderDaily = random.NextDouble();
@@ -84,7 +83,6 @@
                     WaternetCreationMode = waternetCreationMode,
                     PlLineCreationMethod = plLineCreationMethod,
                     AssessmentLevel = hRiverValue,
-                    LandwardDirection = landwardDirection,
                     SurfaceLine = surfaceLine,
                     SoilProfile = soilProfile,
                     DrainageConstruction = drainageConstruction,
@@ -116,7 +114,6 @@
             Assert.AreEqual(plLineCreationMethod, input.PlLineCreationMethod);
             Assert.AreEqual(hRiverValue, input.AssessmentLevel);
             Assert.AreSame(surfaceLine, input.SurfaceLine);
-            Assert.AreEqual(landwardDirection, input.LandwardDirection);
             Assert.AreSame(soilProfile, input.SoilProfile);
             Assert.AreSame(drainageConstruction, input.DrainageConstruction);
             Assert.AreSame(phreaticLineOffsets, input.PhreaticLineOffsetsDaily);
@@ -190,7 +187,6 @@
 
             Assert.AreEqual(WaternetCreationMode.CreateWaternet, input.WaternetCreationMode);
             Assert.AreEqual(PlLineCreationMethod.RingtoetsWti2017, input.PlLineCreationMethod);
-            Assert.AreEqual(LandwardDirection.PositiveX, input.LandwardDirection);
             Assert.AreEqual(MacroStabilityInwardsDikeSoilScenario.ClayDikeOnClay, input.DikeSoilScenario);
         }
 
Index: Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Calculators/UpliftVan/UpliftVanCalculatorTest.cs
===================================================================
diff -u -r7bf51f030527be41ccb8043bbe8aaea16e58ac9d -r71148524edf9415e4c488bcb41755cd1b3b49fd8
--- Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Calculators/UpliftVan/UpliftVanCalculatorTest.cs	(.../UpliftVanCalculatorTest.cs)	(revision 7bf51f030527be41ccb8043bbe8aaea16e58ac9d)
+++ Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Calculators/UpliftVan/UpliftVanCalculatorTest.cs	(.../UpliftVanCalculatorTest.cs)	(revision 71148524edf9415e4c488bcb41755cd1b3b49fd8)
@@ -145,7 +145,7 @@
                 KernelInputAssert.AssertSoilProfiles(SoilProfileCreator.Create(input.SoilProfile.PreconsolidationStresses, layersWithSoil), upliftVanKernel.SoilProfile);
                 KernelInputAssert.AssertStabilityLocations(UpliftVanStabilityLocationCreator.CreateExtreme(input), upliftVanKernel.LocationExtreme);
                 KernelInputAssert.AssertStabilityLocations(UpliftVanStabilityLocationCreator.CreateDaily(input), upliftVanKernel.LocationDaily);
-                KernelInputAssert.AssertSurfaceLines(SurfaceLineCreator.Create(input.SurfaceLine, input.LandwardDirection), upliftVanKernel.SurfaceLine);
+                KernelInputAssert.AssertSurfaceLines(SurfaceLineCreator.Create(input.SurfaceLine), upliftVanKernel.SurfaceLine);
                 UpliftVanKernelInputAssert.AssertSlipPlanesUpliftVan(SlipPlaneUpliftVanCreator.Create(input.SlipPlane), upliftVanKernel.SlipPlaneUpliftVan);
                 UpliftVanKernelInputAssert.AssertSlipPlaneConstraints(SlipPlaneConstraintsCreator.Create(input.SlipPlaneConstraints), upliftVanKernel.SlipPlaneConstraints);
                 Assert.AreEqual(input.SlipPlane.GridAutomaticDetermined, upliftVanKernel.GridAutomaticDetermined);
Index: Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Calculators/Waternet/Input/WaternetCalculatorInputTest.cs
===================================================================
diff -u -r86594ccd7329d320872573a1d066fe18959d3cea -r71148524edf9415e4c488bcb41755cd1b3b49fd8
--- Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Calculators/Waternet/Input/WaternetCalculatorInputTest.cs	(.../WaternetCalculatorInputTest.cs)	(revision 86594ccd7329d320872573a1d066fe18959d3cea)
+++ Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Calculators/Waternet/Input/WaternetCalculatorInputTest.cs	(.../WaternetCalculatorInputTest.cs)	(revision 71148524edf9415e4c488bcb41755cd1b3b49fd8)
@@ -57,7 +57,6 @@
 
             var waternetCreationMode = random.NextEnumValue<WaternetCreationMode>();
             var plLineCreationMethod = random.NextEnumValue<PlLineCreationMethod>();
-            var landwardDirection = random.NextEnumValue<LandwardDirection>();
             double waterLevelRiverAverage = random.NextDouble();
             double waterLevelPolder = random.NextDouble();
             double minimumLevelPhreaticLineAtDikeTopRiver = random.NextDouble();
@@ -79,7 +78,6 @@
                     WaternetCreationMode = waternetCreationMode,
                     PlLineCreationMethod = plLineCreationMethod,
                     AssessmentLevel = assessmentLevel,
-                    LandwardDirection = landwardDirection,
                     SurfaceLine = surfaceLine,
                     SoilProfile = soilProfile,
                     DrainageConstruction = drainageConstruction,
@@ -104,7 +102,6 @@
             Assert.AreEqual(plLineCreationMethod, input.PlLineCreationMethod);
             Assert.AreEqual(assessmentLevel, input.AssessmentLevel);
             Assert.AreSame(surfaceLine, input.SurfaceLine);
-            Assert.AreEqual(landwardDirection, input.LandwardDirection);
             Assert.AreSame(soilProfile, input.SoilProfile);
             Assert.AreSame(drainageConstruction, input.DrainageConstruction);
             Assert.AreSame(phreaticLineOffsets, input.PhreaticLineOffsets);
@@ -161,7 +158,6 @@
 
             Assert.AreEqual(WaternetCreationMode.CreateWaternet, input.WaternetCreationMode);
             Assert.AreEqual(PlLineCreationMethod.RingtoetsWti2017, input.PlLineCreationMethod);
-            Assert.AreEqual(LandwardDirection.PositiveX, input.LandwardDirection);
             Assert.AreEqual(MacroStabilityInwardsDikeSoilScenario.ClayDikeOnClay, input.DikeSoilScenario);
         }
 
Index: Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Calculators/Waternet/WaternetDailyCalculatorTest.cs
===================================================================
diff -u -rd11571aac4a3ec206f9a4279369d446859e9edbf -r71148524edf9415e4c488bcb41755cd1b3b49fd8
--- Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Calculators/Waternet/WaternetDailyCalculatorTest.cs	(.../WaternetDailyCalculatorTest.cs)	(revision d11571aac4a3ec206f9a4279369d446859e9edbf)
+++ Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Calculators/Waternet/WaternetDailyCalculatorTest.cs	(.../WaternetDailyCalculatorTest.cs)	(revision 71148524edf9415e4c488bcb41755cd1b3b49fd8)
@@ -77,7 +77,7 @@
                 KernelInputAssert.AssertSoilModels(SoilModelCreator.Create(layersWithSoil.Select(lws => lws.Soil).ToArray()), waternetKernel.SoilModel);
                 KernelInputAssert.AssertSoilProfiles(SoilProfileCreator.Create(input.SoilProfile.PreconsolidationStresses, layersWithSoil), waternetKernel.SoilProfile);
                 KernelInputAssert.AssertStabilityLocations(WaternetStabilityLocationCreator.Create(input), waternetKernel.Location);
-                KernelInputAssert.AssertSurfaceLines(SurfaceLineCreator.Create(input.SurfaceLine, input.LandwardDirection), waternetKernel.SurfaceLine);
+                KernelInputAssert.AssertSurfaceLines(SurfaceLineCreator.Create(input.SurfaceLine), waternetKernel.SurfaceLine);
             }
         }
 
Index: Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Calculators/Waternet/WaternetExtremeCalculatorTest.cs
===================================================================
diff -u -rd11571aac4a3ec206f9a4279369d446859e9edbf -r71148524edf9415e4c488bcb41755cd1b3b49fd8
--- Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Calculators/Waternet/WaternetExtremeCalculatorTest.cs	(.../WaternetExtremeCalculatorTest.cs)	(revision d11571aac4a3ec206f9a4279369d446859e9edbf)
+++ Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Calculators/Waternet/WaternetExtremeCalculatorTest.cs	(.../WaternetExtremeCalculatorTest.cs)	(revision 71148524edf9415e4c488bcb41755cd1b3b49fd8)
@@ -77,7 +77,7 @@
                 KernelInputAssert.AssertSoilModels(SoilModelCreator.Create(layersWithSoil.Select(lws => lws.Soil).ToArray()), waternetKernel.SoilModel);
                 KernelInputAssert.AssertSoilProfiles(SoilProfileCreator.Create(input.SoilProfile.PreconsolidationStresses, layersWithSoil), waternetKernel.SoilProfile);
                 KernelInputAssert.AssertStabilityLocations(WaternetStabilityLocationCreator.Create(input), waternetKernel.Location);
-                KernelInputAssert.AssertSurfaceLines(SurfaceLineCreator.Create(input.SurfaceLine, input.LandwardDirection), waternetKernel.SurfaceLine);
+                KernelInputAssert.AssertSurfaceLines(SurfaceLineCreator.Create(input.SurfaceLine), waternetKernel.SurfaceLine);
             }
         }
 
Index: Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Creators/Input/SurfaceLineCreatorTest.cs
===================================================================
diff -u -rd11571aac4a3ec206f9a4279369d446859e9edbf -r71148524edf9415e4c488bcb41755cd1b3b49fd8
--- Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Creators/Input/SurfaceLineCreatorTest.cs	(.../SurfaceLineCreatorTest.cs)	(revision d11571aac4a3ec206f9a4279369d446859e9edbf)
+++ Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Creators/Input/SurfaceLineCreatorTest.cs	(.../SurfaceLineCreatorTest.cs)	(revision 71148524edf9415e4c488bcb41755cd1b3b49fd8)
@@ -28,8 +28,6 @@
 using NUnit.Framework;
 using Riskeer.MacroStabilityInwards.KernelWrapper.Creators.Input;
 using Riskeer.MacroStabilityInwards.Primitives;
-using LandwardDirection = Riskeer.MacroStabilityInwards.KernelWrapper.Calculators.Input.LandwardDirection;
-using WtiStabilityLandwardDirection = Deltares.MacroStability.Geometry.LandwardDirection;
 
 namespace Riskeer.MacroStabilityInwards.KernelWrapper.Test.Creators.Input
 {
@@ -40,7 +38,7 @@
         public void Create_SurfaceLineNull_ThrowsArgumentNullException()
         {
             // Call
-            TestDelegate call = () => SurfaceLineCreator.Create(null, LandwardDirection.PositiveX);
+            TestDelegate call = () => SurfaceLineCreator.Create(null);
 
             // Assert
             var exception = Assert.Throws<ArgumentNullException>(call);
@@ -55,7 +53,7 @@
             var surfaceLine = new MacroStabilityInwardsSurfaceLine(name);
 
             // Call
-            SurfaceLine2 actual = SurfaceLineCreator.Create(surfaceLine, LandwardDirection.PositiveX);
+            SurfaceLine2 actual = SurfaceLineCreator.Create(surfaceLine);
 
             // Assert
             AssertGeneralValues(name, actual);
@@ -76,7 +74,7 @@
             });
 
             // Call
-            SurfaceLine2 actual = SurfaceLineCreator.Create(surfaceLine, LandwardDirection.PositiveX);
+            SurfaceLine2 actual = SurfaceLineCreator.Create(surfaceLine);
 
             // Assert
             AssertGeneralValues(name, actual);
@@ -100,7 +98,7 @@
             });
 
             // Call
-            SurfaceLine2 actual = SurfaceLineCreator.Create(surfaceLine, LandwardDirection.PositiveX);
+            SurfaceLine2 actual = SurfaceLineCreator.Create(surfaceLine);
 
             // Assert
             AssertGeneralValues(name, actual);
@@ -126,7 +124,7 @@
             });
 
             // Call
-            SurfaceLine2 actual = SurfaceLineCreator.Create(surfaceLine, LandwardDirection.PositiveX);
+            SurfaceLine2 actual = SurfaceLineCreator.Create(surfaceLine);
 
             // Assert
             AssertGeneralValues(name, actual);
@@ -157,7 +155,7 @@
             });
 
             // Call
-            SurfaceLine2 actual = SurfaceLineCreator.Create(surfaceLine, LandwardDirection.PositiveX);
+            SurfaceLine2 actual = SurfaceLineCreator.Create(surfaceLine);
 
             // Assert
             AssertGeneralValues(name, actual);
@@ -209,7 +207,7 @@
             surfaceLine.SetDikeTopAtRiverAt(geometry[11]);
 
             // Call
-            SurfaceLine2 actual = SurfaceLineCreator.Create(surfaceLine, LandwardDirection.PositiveX);
+            SurfaceLine2 actual = SurfaceLineCreator.Create(surfaceLine);
 
             // Assert
             AssertGeneralValues(name, actual);
@@ -239,38 +237,6 @@
             Assert.IsTrue(actualCharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeTopAtRiver).LocationEquals(ToGeometryPoint(geometry[11])));
         }
 
-        [Test]
-        public void Create_InvalidLandwardDirection_ThrowInvalidEnumArgumentException()
-        {
-            // Setup
-            const string name = "Surface line with landward direction";
-            var surfaceLine = new MacroStabilityInwardsSurfaceLine(name);
-
-            // Call
-            TestDelegate test = () => SurfaceLineCreator.Create(surfaceLine, (LandwardDirection) 99);
-
-            // Assert
-            string message = $"The value of argument 'landwardDirection' ({99}) is invalid for Enum type '{typeof(LandwardDirection).Name}'.";
-            TestHelper.AssertThrowsArgumentExceptionAndTestMessage<InvalidEnumArgumentException>(test, message);
-        }
-
-        [TestCase(LandwardDirection.PositiveX, WtiStabilityLandwardDirection.PositiveX)]
-        [TestCase(LandwardDirection.NegativeX, WtiStabilityLandwardDirection.NegativeX)]
-        public void Create_ValidLandwardDirection_CreateSurfaceLineWithLandwardDirection(LandwardDirection landwardDirection,
-                                                                                         WtiStabilityLandwardDirection expectedLandwardDirection)
-        {
-            // Setup
-            const string name = "Surface line with landward direction";
-            var surfaceLine = new MacroStabilityInwardsSurfaceLine(name);
-
-            // Call
-            SurfaceLine2 actual = SurfaceLineCreator.Create(surfaceLine, landwardDirection);
-
-            // Assert
-            AssertGeneralValues(name, actual);
-            Assert.AreEqual(expectedLandwardDirection, actual.LandwardDirection);
-        }
-
         private static void AssertGeneralValues(string name, SurfaceLine2 actual)
         {
             Assert.AreEqual(name, actual.Name); // Unused property
Index: Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.TestUtil.Test/Calculators/Waternet/Input/WaternetCalculatorInputTestFactoryTest.cs
===================================================================
diff -u -r86594ccd7329d320872573a1d066fe18959d3cea -r71148524edf9415e4c488bcb41755cd1b3b49fd8
--- Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.TestUtil.Test/Calculators/Waternet/Input/WaternetCalculatorInputTestFactoryTest.cs	(.../WaternetCalculatorInputTestFactoryTest.cs)	(revision 86594ccd7329d320872573a1d066fe18959d3cea)
+++ Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.TestUtil.Test/Calculators/Waternet/Input/WaternetCalculatorInputTestFactoryTest.cs	(.../WaternetCalculatorInputTestFactoryTest.cs)	(revision 71148524edf9415e4c488bcb41755cd1b3b49fd8)
@@ -60,7 +60,6 @@
 
             Assert.AreEqual(WaternetCreationMode.CreateWaternet, input.WaternetCreationMode);
             Assert.AreEqual(PlLineCreationMethod.RingtoetsWti2017, input.PlLineCreationMethod);
-            Assert.AreEqual(LandwardDirection.PositiveX, input.LandwardDirection);
             Assert.IsTrue(Enum.IsDefined(typeof(MacroStabilityInwardsDikeSoilScenario), input.DikeSoilScenario));
         }
 
@@ -91,7 +90,6 @@
 
             Assert.AreEqual(WaternetCreationMode.CreateWaternet, input.WaternetCreationMode);
             Assert.AreEqual(PlLineCreationMethod.RingtoetsWti2017, input.PlLineCreationMethod);
-            Assert.AreEqual(LandwardDirection.PositiveX, input.LandwardDirection);
             Assert.IsTrue(Enum.IsDefined(typeof(MacroStabilityInwardsDikeSoilScenario), input.DikeSoilScenario));
         }
 
Index: Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.TestUtil/Kernels/UpliftVan/Input/KernelInputAssert.cs
===================================================================
diff -u -rc768b280255959d107b292acb654b67ece32eb1f -r71148524edf9415e4c488bcb41755cd1b3b49fd8
--- Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.TestUtil/Kernels/UpliftVan/Input/KernelInputAssert.cs	(.../KernelInputAssert.cs)	(revision c768b280255959d107b292acb654b67ece32eb1f)
+++ Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.TestUtil/Kernels/UpliftVan/Input/KernelInputAssert.cs	(.../KernelInputAssert.cs)	(revision 71148524edf9415e4c488bcb41755cd1b3b49fd8)
@@ -73,7 +73,6 @@
         /// is not equal to <paramref name="expected"/>.</exception>
         public static void AssertStabilityLocations(Location expected, Location actual)
         {
-            Assert.AreEqual(expected.StabilityModel, actual.StabilityModel);
             Assert.AreEqual(expected.DikeSoilScenario, actual.DikeSoilScenario);
             Assert.AreEqual(expected.WaternetCreationMode, actual.WaternetCreationMode);
             Assert.AreEqual(expected.PlLineCreationMethod, actual.PlLineCreationMethod);
@@ -115,7 +114,6 @@
         public static void AssertSurfaceLines(SurfaceLine2 expected, SurfaceLine2 actual)
         {
             Assert.AreEqual(expected.Name, actual.Name);
-            Assert.AreEqual(expected.LandwardDirection, actual.LandwardDirection);
             AssertGeometryPointStrings(expected.Geometry, actual.Geometry);
             AssertCharacteristicPointSets(expected.CharacteristicPoints, actual.CharacteristicPoints);
         }
Index: Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.Service.Test/MacroStabilityInwardsCalculationServiceTest.cs
===================================================================
diff -u -rd692babe7fb771c8c016700f7c9b09a1ccf780c3 -r71148524edf9415e4c488bcb41755cd1b3b49fd8
--- Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.Service.Test/MacroStabilityInwardsCalculationServiceTest.cs	(.../MacroStabilityInwardsCalculationServiceTest.cs)	(revision d692babe7fb771c8c016700f7c9b09a1ccf780c3)
+++ Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.Service.Test/MacroStabilityInwardsCalculationServiceTest.cs	(.../MacroStabilityInwardsCalculationServiceTest.cs)	(revision 71148524edf9415e4c488bcb41755cd1b3b49fd8)
@@ -728,7 +728,6 @@
             AssertSlipPlaneConstraints(originalInput, actualInput.SlipPlaneConstraints);
             Assert.AreEqual(WaternetCreationMode.CreateWaternet, actualInput.WaternetCreationMode);
             Assert.AreEqual(PlLineCreationMethod.RingtoetsWti2017, actualInput.PlLineCreationMethod);
-            Assert.AreEqual(LandwardDirection.PositiveX, actualInput.LandwardDirection);
             Assert.AreSame(originalInput.SurfaceLine, actualInput.SurfaceLine);
             Assert.AreEqual(expectedAssessmentLevel, actualInput.AssessmentLevel);
             Assert.AreEqual(originalInput.DikeSoilScenario, actualInput.DikeSoilScenario);