Index: Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/RingtoetsPipingSurfaceLineTest.cs
===================================================================
diff -u -r26da131fa5dbcf95f9a16de6f81eb4acc8d1be14 -r583456a0f5395189a54a8cedf4e4a7b40945d990
--- Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/RingtoetsPipingSurfaceLineTest.cs	(.../RingtoetsPipingSurfaceLineTest.cs)	(revision 26da131fa5dbcf95f9a16de6f81eb4acc8d1be14)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/RingtoetsPipingSurfaceLineTest.cs	(.../RingtoetsPipingSurfaceLineTest.cs)	(revision 583456a0f5395189a54a8cedf4e4a7b40945d990)
@@ -990,36 +990,6 @@
             Assert.AreEqual(hashCodeOne, hashCodeTwo);
         }
 
-        [Test]
-        public void GetHashCode_DifferentSurfaceLines_ReturnDifferentHashCode()
-        {
-            // Setup
-            var surfaceLineOne = new RingtoetsPipingSurfaceLine
-            {
-                Name = "Name A"
-            };
-            surfaceLineOne.SetGeometry(new[]
-            {
-                new Point3D(1, 2, 3)
-            });
-
-            var surfaceLineTwo = new RingtoetsPipingSurfaceLine
-            {
-                Name = "Name A"
-            };
-            surfaceLineTwo.SetGeometry(new[]
-            {
-                new Point3D(3, 4, 5)
-            });
-
-            // Call
-            int hashCodeOne = surfaceLineOne.GetHashCode();
-            int hashCodeTwo = surfaceLineTwo.GetHashCode();
-
-            // Assert
-            Assert.AreNotEqual(hashCodeOne, hashCodeTwo);
-        }
-
         private static void CreateTestGeometry(Point3D testPoint, RingtoetsPipingSurfaceLine surfaceLine)
         {
             var random = new Random(21);