diff --git a/X10D/src/StringExtensions/StringExtensions.cs b/X10D/src/StringExtensions/StringExtensions.cs
index 9f08c43..34eb091 100644
--- a/X10D/src/StringExtensions/StringExtensions.cs
+++ b/X10D/src/StringExtensions/StringExtensions.cs
@@ -477,28 +477,6 @@ public static class StringExtensions
             : default;
     }
 
-    /// <summary>
-    ///     Returns the current string, or an alternative value if the current string is null or empty, or optionally if the
-    ///     current string consists of only whitespace.
-    /// </summary>
-    /// <param name="value">The value to check.</param>
-    /// <param name="alternative">The alternative value if <paramref name="value" /> does not meet the criteria.</param>
-    /// <param name="includeWhiteSpace">
-    ///     Optional. If set to <see langword="true" />, <paramref name="alternative" /> will be returned also if
-    ///     <paramref name="value" /> only consists of whitespace.
-    /// </param>
-    /// <returns>Returns <paramref name="value" /> or <paramref name="alternative" />.</returns>
-    /// <exception cref="ArgumentNullException"><paramref name="alternative" /> is <see langword="null" />.</exception>
-    public static string WithAlternative(this string? value, string alternative, bool includeWhiteSpace = false)
-    {
-        if (alternative is null)
-        {
-            throw new ArgumentNullException(nameof(alternative));
-        }
-
-        return (includeWhiteSpace ? value?.AsNullIfWhiteSpace() : value?.AsNullIfEmpty()) ?? alternative;
-    }
-
     /// <summary>
     ///     Normalizes a string which may be either <see langword="null" /> or empty to a specified alternative.
     /// </summary>