diff --git a/CHANGELOG.md b/CHANGELOG.md
index 851973c2a..ff8f8f6f4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - X10D: Removed `IEnumerable<T>.LowestCommonMultiple` for all integer types in favour of generic math.
 - X10D: Removed `IEnumerable<T>.Product` for all integer types in favour of generic math.
 - X10D: Removed `IEnumerable<T>.RangeTo` for all integer types in favour of generic math.
+- X10D: Removed `T.Sign` for all numeric types in favour of generic math.
 
 ### Removed
 
diff --git a/X10D/src/Math/DecimalExtensions.cs b/X10D/src/Math/DecimalExtensions.cs
index 1aa678dd8..56bddc396 100644
--- a/X10D/src/Math/DecimalExtensions.cs
+++ b/X10D/src/Math/DecimalExtensions.cs
@@ -90,40 +90,6 @@ public static decimal Saturate(this decimal value)
         return System.Math.Clamp(value, 0.0m, 1.0m);
     }
 
-    /// <summary>
-    ///     Returns an integer that indicates the sign of this decimal number.
-    /// </summary>
-    /// <param name="value">A signed number.</param>
-    /// <returns>
-    ///     A number that indicates the sign of <paramref name="value" />, as shown in the following table.
-    ///
-    ///     <list type="table">
-    ///         <listheader>
-    ///             <term>Return value</term>
-    ///             <description>Meaning</description>
-    ///         </listheader>
-    ///
-    ///         <item>
-    ///             <term>-1</term>
-    ///             <description><paramref name="value" /> is less than zero.</description>
-    ///         </item>
-    ///         <item>
-    ///             <term>0</term>
-    ///             <description><paramref name="value" /> is equal to zero.</description>
-    ///         </item>
-    ///         <item>
-    ///             <term>1</term>
-    ///             <description><paramref name="value" /> is greater than zero.</description>
-    ///         </item>
-    ///     </list>
-    /// </returns>
-    [Pure]
-    [MethodImpl(CompilerResources.MaxOptimization)]
-    public static int Sign(this decimal value)
-    {
-        return System.Math.Sign(value);
-    }
-
     /// <summary>
     ///     Returns the square root of this decimal number.
     /// </summary>
diff --git a/X10D/src/Math/DoubleExtensions.cs b/X10D/src/Math/DoubleExtensions.cs
index 51a7b7ac7..06abc82ed 100644
--- a/X10D/src/Math/DoubleExtensions.cs
+++ b/X10D/src/Math/DoubleExtensions.cs
@@ -300,41 +300,6 @@ public static double Sinh(this double value)
         return System.Math.Sinh(value);
     }
 
-    /// <summary>
-    ///     Returns an integer that indicates the sign of this double-precision floating-point number.
-    /// </summary>
-    /// <param name="value">A signed number.</param>
-    /// <returns>
-    ///     A number that indicates the sign of <paramref name="value" />, as shown in the following table.
-    ///
-    ///     <list type="table">
-    ///         <listheader>
-    ///             <term>Return value</term>
-    ///             <description>Meaning</description>
-    ///         </listheader>
-    ///
-    ///         <item>
-    ///             <term>-1</term>
-    ///             <description><paramref name="value" /> is less than zero.</description>
-    ///         </item>
-    ///         <item>
-    ///             <term>0</term>
-    ///             <description><paramref name="value" /> is equal to zero.</description>
-    ///         </item>
-    ///         <item>
-    ///             <term>1</term>
-    ///             <description><paramref name="value" /> is greater than zero.</description>
-    ///         </item>
-    ///     </list>
-    /// </returns>
-    /// <exception cref="ArithmeticException"><paramref name="value" /> is equal to <see cref="double.NaN" />.</exception>
-    [Pure]
-    [MethodImpl(CompilerResources.MaxOptimization)]
-    public static int Sign(this double value)
-    {
-        return System.Math.Sign(value);
-    }
-
     /// <summary>
     ///     Returns the square root of this double-precision floating-point number.
     /// </summary>
diff --git a/X10D/src/Math/Int16Extensions.cs b/X10D/src/Math/Int16Extensions.cs
index d2f07076b..71594a553 100644
--- a/X10D/src/Math/Int16Extensions.cs
+++ b/X10D/src/Math/Int16Extensions.cs
@@ -38,40 +38,6 @@ public static int MultiplicativePersistence(this short value)
         return ((long)value).MultiplicativePersistence();
     }
 
-    /// <summary>
-    ///     Returns an integer that indicates the sign of this 16-bit signed integer.
-    /// </summary>
-    /// <param name="value">A signed number.</param>
-    /// <returns>
-    ///     A number that indicates the sign of <paramref name="value" />, as shown in the following table.
-    ///
-    ///     <list type="table">
-    ///         <listheader>
-    ///             <term>Return value</term>
-    ///             <description>Meaning</description>
-    ///         </listheader>
-    ///
-    ///         <item>
-    ///             <term>-1</term>
-    ///             <description><paramref name="value" /> is less than zero.</description>
-    ///         </item>
-    ///         <item>
-    ///             <term>0</term>
-    ///             <description><paramref name="value" /> is equal to zero.</description>
-    ///         </item>
-    ///         <item>
-    ///             <term>1</term>
-    ///             <description><paramref name="value" /> is greater than zero.</description>
-    ///         </item>
-    ///     </list>
-    /// </returns>
-    [Pure]
-    [MethodImpl(CompilerResources.MaxOptimization)]
-    public static int Sign(this short value)
-    {
-        return System.Math.Sign(value);
-    }
-
     /// <summary>
     ///     Wraps the current 16-bit signed integer between a low and a high value.
     /// </summary>
diff --git a/X10D/src/Math/Int32Extensions.cs b/X10D/src/Math/Int32Extensions.cs
index 8f235e15a..b4fefe4a0 100644
--- a/X10D/src/Math/Int32Extensions.cs
+++ b/X10D/src/Math/Int32Extensions.cs
@@ -38,40 +38,6 @@ public static int MultiplicativePersistence(this int value)
         return ((long)value).MultiplicativePersistence();
     }
 
-    /// <summary>
-    ///     Returns an integer that indicates the sign of this 32-bit signed integer.
-    /// </summary>
-    /// <param name="value">A signed number.</param>
-    /// <returns>
-    ///     A number that indicates the sign of <paramref name="value" />, as shown in the following table.
-    ///
-    ///     <list type="table">
-    ///         <listheader>
-    ///             <term>Return value</term>
-    ///             <description>Meaning</description>
-    ///         </listheader>
-    ///
-    ///         <item>
-    ///             <term>-1</term>
-    ///             <description><paramref name="value" /> is less than zero.</description>
-    ///         </item>
-    ///         <item>
-    ///             <term>0</term>
-    ///             <description><paramref name="value" /> is equal to zero.</description>
-    ///         </item>
-    ///         <item>
-    ///             <term>1</term>
-    ///             <description><paramref name="value" /> is greater than zero.</description>
-    ///         </item>
-    ///     </list>
-    /// </returns>
-    [Pure]
-    [MethodImpl(CompilerResources.MaxOptimization)]
-    public static int Sign(this int value)
-    {
-        return System.Math.Sign(value);
-    }
-
     /// <summary>
     ///     Wraps the current 32-bit signed integer between a low and a high value.
     /// </summary>
diff --git a/X10D/src/Math/Int64Extensions.cs b/X10D/src/Math/Int64Extensions.cs
index dd0d3988d..e06907ef1 100644
--- a/X10D/src/Math/Int64Extensions.cs
+++ b/X10D/src/Math/Int64Extensions.cs
@@ -88,40 +88,6 @@ public static int MultiplicativePersistence(this long value)
         return persistence;
     }
 
-    /// <summary>
-    ///     Returns an integer that indicates the sign of this 64-bit signed integer.
-    /// </summary>
-    /// <param name="value">A signed number.</param>
-    /// <returns>
-    ///     A number that indicates the sign of <paramref name="value" />, as shown in the following table.
-    ///
-    ///     <list type="table">
-    ///         <listheader>
-    ///             <term>Return value</term>
-    ///             <description>Meaning</description>
-    ///         </listheader>
-    ///
-    ///         <item>
-    ///             <term>-1</term>
-    ///             <description><paramref name="value" /> is less than zero.</description>
-    ///         </item>
-    ///         <item>
-    ///             <term>0</term>
-    ///             <description><paramref name="value" /> is equal to zero.</description>
-    ///         </item>
-    ///         <item>
-    ///             <term>1</term>
-    ///             <description><paramref name="value" /> is greater than zero.</description>
-    ///         </item>
-    ///     </list>
-    /// </returns>
-    [Pure]
-    [MethodImpl(CompilerResources.MaxOptimization)]
-    public static int Sign(this long value)
-    {
-        return System.Math.Sign(value);
-    }
-
     /// <summary>
     ///     Wraps the current 64-bit signed integer between a low and a high value.
     /// </summary>
diff --git a/X10D/src/Math/SingleExtensions.cs b/X10D/src/Math/SingleExtensions.cs
index 9e70592b9..fa90dbfae 100644
--- a/X10D/src/Math/SingleExtensions.cs
+++ b/X10D/src/Math/SingleExtensions.cs
@@ -268,40 +268,6 @@ public static float Saturate(this float value)
         return System.Math.Clamp(value, 0.0f, 1.0f);
     }
 
-    /// <summary>
-    ///     Returns an integer that indicates the sign of this single-precision floating-point number.
-    /// </summary>
-    /// <param name="value">A signed number.</param>
-    /// <returns>
-    ///     A number that indicates the sign of <paramref name="value" />, as shown in the following table.
-    ///
-    ///     <list type="table">
-    ///         <listheader>
-    ///             <term>Return value</term>
-    ///             <description>Meaning</description>
-    ///         </listheader>
-    ///
-    ///         <item>
-    ///             <term>-1</term>
-    ///             <description><paramref name="value" /> is less than zero.</description>
-    ///         </item>
-    ///         <item>
-    ///             <term>0</term>
-    ///             <description><paramref name="value" /> is equal to zero.</description>
-    ///         </item>
-    ///         <item>
-    ///             <term>1</term>
-    ///             <description><paramref name="value" /> is greater than zero.</description>
-    ///         </item>
-    ///     </list>
-    /// </returns>
-    [Pure]
-    [MethodImpl(CompilerResources.MaxOptimization)]
-    public static int Sign(this float value)
-    {
-        return MathF.Sign(value);
-    }
-
     /// <summary>
     ///     Returns the square root of this single-precision floating-point number.
     /// </summary>