Index: Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/RingtoetsPipingSurfaceLineTest.cs
===================================================================
diff -u -r081badaad87a6e2a6d5c861de9ee95fa1ca6dea3 -rb8976a5e3cf525e419227e409e44ac69a430711a
--- Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/RingtoetsPipingSurfaceLineTest.cs	(.../RingtoetsPipingSurfaceLineTest.cs)	(revision 081badaad87a6e2a6d5c861de9ee95fa1ca6dea3)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/RingtoetsPipingSurfaceLineTest.cs	(.../RingtoetsPipingSurfaceLineTest.cs)	(revision b8976a5e3cf525e419227e409e44ac69a430711a)
@@ -129,71 +129,6 @@
         }
 
         [Test]
-        public void ProjectGeometryToLZ_EmptyCollection_ReturnEmptyCollection()
-        {
-            // Setup
-            var surfaceLine = new RingtoetsPipingSurfaceLine();
-
-            // Call
-            RoundedPoint2DCollection lzCoordinates = surfaceLine.ProjectGeometryToLZ();
-
-            // Assert
-            CollectionAssert.IsEmpty(lzCoordinates);
-            Assert.AreEqual(2, lzCoordinates.NumberOfDecimalPlaces);
-        }
-
-        [Test]
-        public void ProjectGeometryToLZ_GeometryWithOnePoint_ReturnSinglePointAtZeroXAndOriginalZ()
-        {
-            // Setup
-            var surfaceLine = new RingtoetsPipingSurfaceLine();
-            const double originalZ = 3.3;
-            surfaceLine.SetGeometry(new[]
-            {
-                new Point3D(1.1, 2.2, originalZ)
-            });
-
-            // Call
-            RoundedPoint2DCollection lzCoordinates = surfaceLine.ProjectGeometryToLZ();
-
-            // Assert
-            CollectionAssert.AreEqual(new[]
-            {
-                new Point2D(0.0, originalZ)
-            }, lzCoordinates);
-            Assert.AreEqual(2, lzCoordinates.NumberOfDecimalPlaces);
-        }
-
-        [Test]
-        public void ProjectGeometryToLZ_GeometryWithMultiplePoints_ProjectPointsOntoLzPlaneKeepingOriginalZ()
-        {
-            // Setup
-            var surfaceLine = new RingtoetsPipingSurfaceLine();
-            surfaceLine.SetGeometry(new[]
-            {
-                new Point3D(1.0, 1.0, 2.2),
-                new Point3D(2.0, 3.0, 4.4), // Outlier from line specified by extrema
-                new Point3D(3.0, 4.0, 7.7)
-            });
-
-            // Call
-            RoundedPoint2DCollection actual = surfaceLine.ProjectGeometryToLZ();
-
-            // Assert
-            double length = Math.Sqrt(2 * 2 + 3 * 3);
-            const double secondCoordinateFactor = (2.0 * 1.0 + 3.0 * 2.0) / (2.0 * 2.0 + 3.0 * 3.0);
-            var expectedCoordinatesX = new[]
-            {
-                0.0,
-                secondCoordinateFactor * length,
-                length
-            };
-            CollectionAssert.AreEqual(expectedCoordinatesX, actual.Select(p => p.X).ToArray(), new DoubleWithToleranceComparer(actual.GetAccuracy()));
-            CollectionAssert.AreEqual(surfaceLine.Points.Select(p => p.Z).ToArray(), actual.Select(p => p.Y).ToArray());
-            Assert.AreEqual(2, actual.NumberOfDecimalPlaces);
-        }
-
-        [Test]
         public void SetGeometry_GeometryIsNull_ThrowsArgumentNullException()
         {
             // Setup