Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/SoilProfile/MacroStabilityInwardsStochasticSoilProfile.cs
===================================================================
diff -u -r6545e28fb366f9bfdf71e776a404e9ce256df182 -r24b83255132a74a750cc322321b460c14e407917
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/SoilProfile/MacroStabilityInwardsStochasticSoilProfile.cs	(.../MacroStabilityInwardsStochasticSoilProfile.cs)	(revision 6545e28fb366f9bfdf71e776a404e9ce256df182)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/SoilProfile/MacroStabilityInwardsStochasticSoilProfile.cs	(.../MacroStabilityInwardsStochasticSoilProfile.cs)	(revision 24b83255132a74a750cc322321b460c14e407917)
@@ -100,19 +100,6 @@
             Probability = fromProfile.Probability;
         }
 
-        /// <summary>
-        /// Updates the probability of the <see cref="MacroStabilityInwardsStochasticSoilProfile"/> 
-        /// by adding <paramref name="probabilityToAdd"/>.
-        /// </summary>
-        /// <param name="probabilityToAdd">The amount to increase the <see cref="Probability"/>
-        /// with.</param>
-        /// <exception cref="ArgumentOutOfRangeException">Thrown when the <paramref name="probabilityToAdd"/>
-        /// is outside the range [0, 1].</exception>
-        public void AddProbability(double probabilityToAdd)
-        {
-            Probability += probabilityToAdd;
-        }
-
         public override string ToString()
         {
             return SoilProfile?.ToString() ?? string.Empty;
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/SoilProfile/MacroStabilityInwardsStochasticSoilProfileTest.cs
===================================================================
diff -u -r6545e28fb366f9bfdf71e776a404e9ce256df182 -r24b83255132a74a750cc322321b460c14e407917
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/SoilProfile/MacroStabilityInwardsStochasticSoilProfileTest.cs	(.../MacroStabilityInwardsStochasticSoilProfileTest.cs)	(revision 6545e28fb366f9bfdf71e776a404e9ce256df182)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/SoilProfile/MacroStabilityInwardsStochasticSoilProfileTest.cs	(.../MacroStabilityInwardsStochasticSoilProfileTest.cs)	(revision 24b83255132a74a750cc322321b460c14e407917)
@@ -87,58 +87,6 @@
         }
 
         [Test]
-        [SetCulture("nl-NL")]
-        [TestCase(-1)]
-        [TestCase(1)]
-        [TestCase(-0.51)]
-        [TestCase(0.51)]
-        [TestCase(double.NaN)]
-        public void AddProbability_ProbabilityToAddResultsInvalidProbability_ThrowsArgumentOutOfRangeException(double probabilityToAdd)
-        {
-            // Setup
-            const double probability = 0.5;
-
-            var mocks = new MockRepository();
-            var soilProfile = mocks.Stub<IMacroStabilityInwardsSoilProfile>();
-            mocks.ReplayAll();
-
-            var profile = new MacroStabilityInwardsStochasticSoilProfile(probability, soilProfile);
-
-            // Call
-            TestDelegate test = () => profile.AddProbability(probabilityToAdd);
-
-            // Assert
-            const string expectedMessage = "Het aandeel van de ondergrondschematisatie in het stochastische ondergrondmodel" +
-                                           " moet in het bereik [0,0, 1,0] liggen.";
-            TestHelper.AssertThrowsArgumentExceptionAndTestMessage<ArgumentOutOfRangeException>(test, expectedMessage);
-            mocks.VerifyAll();
-        }
-
-        [Test]
-        [TestCase(0.5)]
-        [TestCase(-0.5)]
-        [TestCase(-0.2)]
-        [TestCase(0.2)]
-        public void AddProbability_ProbabilityToAddResultsValidProbability_ReturnsExpectedProbability(double probabilityToAdd)
-        {
-            // Setup
-            const double probability = 0.5;
-
-            var mocks = new MockRepository();
-            var soilProfile = mocks.Stub<IMacroStabilityInwardsSoilProfile>();
-            mocks.ReplayAll();
-
-            var profile = new MacroStabilityInwardsStochasticSoilProfile(probability, soilProfile);
-
-            // Call
-            profile.AddProbability(probabilityToAdd);
-
-            // Assert
-            Assert.AreEqual(probability + probabilityToAdd, profile.Probability, 1e-6);
-            mocks.VerifyAll();
-        }
-
-        [Test]
         public void Update_WithNullProfile_ThrowsArgumentNullException()
         {
             // Setup
Index: Ringtoets/Piping/src/Ringtoets.Piping.Data/SoilProfile/PipingStochasticSoilProfile.cs
===================================================================
diff -u -r6545e28fb366f9bfdf71e776a404e9ce256df182 -r24b83255132a74a750cc322321b460c14e407917
--- Ringtoets/Piping/src/Ringtoets.Piping.Data/SoilProfile/PipingStochasticSoilProfile.cs	(.../PipingStochasticSoilProfile.cs)	(revision 6545e28fb366f9bfdf71e776a404e9ce256df182)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Data/SoilProfile/PipingStochasticSoilProfile.cs	(.../PipingStochasticSoilProfile.cs)	(revision 24b83255132a74a750cc322321b460c14e407917)
@@ -98,19 +98,6 @@
             Probability = fromProfile.Probability;
         }
 
-        /// <summary>
-        /// Updates the probability of the <see cref="PipingStochasticSoilProfile"/> 
-        /// by adding <paramref name="probabilityToAdd"/>.
-        /// </summary>
-        /// <param name="probabilityToAdd">The amount to increase the <see cref="Probability"/>
-        /// with.</param>
-        /// <exception cref="ArgumentOutOfRangeException">Thrown when the <paramref name="probabilityToAdd"/>
-        /// is outside the range [0, 1].</exception>
-        public void AddProbability(double probabilityToAdd)
-        {
-            Probability += probabilityToAdd;
-        }
-
         public override string ToString()
         {
             return SoilProfile.ToString();
Index: Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/SoilProfile/PipingStochasticSoilProfileTest.cs
===================================================================
diff -u -r6545e28fb366f9bfdf71e776a404e9ce256df182 -r24b83255132a74a750cc322321b460c14e407917
--- Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/SoilProfile/PipingStochasticSoilProfileTest.cs	(.../PipingStochasticSoilProfileTest.cs)	(revision 6545e28fb366f9bfdf71e776a404e9ce256df182)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/SoilProfile/PipingStochasticSoilProfileTest.cs	(.../PipingStochasticSoilProfileTest.cs)	(revision 24b83255132a74a750cc322321b460c14e407917)
@@ -84,50 +84,6 @@
         }
 
         [Test]
-        [SetCulture("nl-NL")]
-        [TestCase(-1)]
-        [TestCase(1)]
-        [TestCase(-0.51)]
-        [TestCase(0.51)]
-        [TestCase(double.NaN)]
-        public void AddProbability_ProbabilityToAddResultsInvalidProbability_ThrowsArgumentOutOfRangeException(double probabilityToAdd)
-        {
-            // Setup
-            const double probability = 0.5;
-
-            PipingSoilProfile profile = PipingSoilProfileTestFactory.CreatePipingSoilProfile();
-            var stochasticSoilProfile = new PipingStochasticSoilProfile(probability, profile);
-
-            // Call
-            TestDelegate test = () => stochasticSoilProfile.AddProbability(probabilityToAdd);
-
-            // Assert
-            const string expectedMessage = "Het aandeel van de ondergrondschematisatie in het stochastische ondergrondmodel" +
-                                           " moet in het bereik [0,0, 1,0] liggen.";
-            TestHelper.AssertThrowsArgumentExceptionAndTestMessage<ArgumentOutOfRangeException>(test, expectedMessage);
-        }
-
-        [Test]
-        [TestCase(0.5)]
-        [TestCase(-0.5)]
-        [TestCase(-0.2)]
-        [TestCase(0.2)]
-        public void AddProbability_ProbabilityToAddResultsValidProbability_ReturnsExpectedProbability(double probabilityToAdd)
-        {
-            // Setup
-            const double probability = 0.5;
-
-            PipingSoilProfile profile = PipingSoilProfileTestFactory.CreatePipingSoilProfile();
-            var stochasticSoilProfile = new PipingStochasticSoilProfile(probability, profile);
-
-            // Call
-            stochasticSoilProfile.AddProbability(probabilityToAdd);
-
-            // Assert
-            Assert.AreEqual(probability + probabilityToAdd, stochasticSoilProfile.Probability, 1e-6);
-        }
-
-        [Test]
         public void Update_SoilProfileNull_ThrowsArgumentNullException()
         {
             // Setup