Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Primitives/MacroStabilityInwardsPreconsolidationStress.cs
===================================================================
diff -u -r49bb14e91d1ff06ec08b52f2e76c11dcf54e5ee0 -r9e30e12fca09606a7b294f015009c969fb1872ed
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Primitives/MacroStabilityInwardsPreconsolidationStress.cs	(.../MacroStabilityInwardsPreconsolidationStress.cs)	(revision 49bb14e91d1ff06ec08b52f2e76c11dcf54e5ee0)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Primitives/MacroStabilityInwardsPreconsolidationStress.cs	(.../MacroStabilityInwardsPreconsolidationStress.cs)	(revision 9e30e12fca09606a7b294f015009c969fb1872ed)
@@ -52,10 +52,10 @@
                                                            double preconsolidationStressMean,
                                                            double preconsolidationStressCoefficientOfVariation)
         {
-            ValidateParameter(xCoordinate, Resources.MacroStabilityInwardsPreconsolidationStress_XCoordinate_ParameterName);
-            ValidateParameter(zCoordinate, Resources.MacroStabilityInwardsPreconsolidationStress_ZCoordinate_ParameterName);
-            ValidateParameter(preconsolidationStressMean, Resources.MacroStabilityInwardsPreconsolidationStress_PreconsolidationStressMean_ParameterName);
-            ValidateParameter(preconsolidationStressCoefficientOfVariation, Resources.MacroStabilityInwardsPreconsolidationStress_PreconsolidationStressCoefficientOfVariation_ParameterName);
+            ValidateParameterNaN(xCoordinate, Resources.MacroStabilityInwardsPreconsolidationStress_XCoordinate_ParameterName);
+            ValidateParameterNaN(zCoordinate, Resources.MacroStabilityInwardsPreconsolidationStress_ZCoordinate_ParameterName);
+            ValidateParameterNaN(preconsolidationStressMean, Resources.MacroStabilityInwardsPreconsolidationStress_PreconsolidationStressMean_ParameterName);
+            ValidateParameterNaN(preconsolidationStressCoefficientOfVariation, Resources.MacroStabilityInwardsPreconsolidationStress_PreconsolidationStressCoefficientOfVariation_ParameterName);
 
             XCoordinate = new RoundedDouble(2, xCoordinate);
             ZCoordinate = new RoundedDouble(2, zCoordinate);
@@ -114,12 +114,12 @@
         }
 
         /// <summary>
-        /// Validates that the <paramref name="value"/> is a valid value.
+        /// Validates that the <paramref name="value"/> is not a <see cref="double.NaN"/>.
         /// </summary>
         /// <param name="value">The value to validate.</param>
         /// <param name="parameterName">The name of the parameter to validate.</param>
         /// <exception cref="ArgumentException">Thrown if the parameter value is <see cref="double.NaN"/>.</exception>
-        private static void ValidateParameter(double value, string parameterName)
+        private static void ValidateParameterNaN(double value, string parameterName)
         {
             if (double.IsNaN(value))
             {
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Primitives.Test/MacroStabilityInwardsSoilProfile2DTest.cs
===================================================================
diff -u -r49bb14e91d1ff06ec08b52f2e76c11dcf54e5ee0 -r9e30e12fca09606a7b294f015009c969fb1872ed
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Primitives.Test/MacroStabilityInwardsSoilProfile2DTest.cs	(.../MacroStabilityInwardsSoilProfile2DTest.cs)	(revision 49bb14e91d1ff06ec08b52f2e76c11dcf54e5ee0)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Primitives.Test/MacroStabilityInwardsSoilProfile2DTest.cs	(.../MacroStabilityInwardsSoilProfile2DTest.cs)	(revision 9e30e12fca09606a7b294f015009c969fb1872ed)
@@ -132,22 +132,6 @@
         }
 
         [Test]
-        public void GetHashCode_EqualProfiles_AreEqual()
-        {
-            // Setup
-            MacroStabilityInwardsSoilProfile2D profileA = CreateRandomProfile(21);
-            MacroStabilityInwardsSoilProfile2D profileB = CreateRandomProfile(21);
-
-            // Precondition
-            Assert.AreEqual(profileA, profileB);
-            Assert.AreEqual(profileB, profileA);
-
-            // Call & Assert
-            Assert.AreEqual(profileA.GetHashCode(), profileB.GetHashCode());
-            Assert.AreEqual(profileB.GetHashCode(), profileA.GetHashCode());
-        }
-
-        [Test]
         public void Equals_Null_ReturnsFalse()
         {
             // Setup