diff --git a/src/Humanizer/Inflections/Vocabulary.cs b/src/Humanizer/Inflections/Vocabulary.cs
index 745742d10..d80d7e6de 100644
--- a/src/Humanizer/Inflections/Vocabulary.cs
+++ b/src/Humanizer/Inflections/Vocabulary.cs
@@ -187,7 +187,7 @@ string LetterS(string word)
 
     class Rule(string pattern, string replacement)
     {
-        readonly Regex regex = new(pattern, RegexOptions.IgnoreCase | RegexOptionsUtil.Compiled);
+        readonly Regex regex = new(pattern, RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
         public string Apply(string word)
         {
diff --git a/src/Humanizer/RegexOptionsUtil.cs b/src/Humanizer/RegexOptionsUtil.cs
deleted file mode 100644
index ee2f22dec..000000000
--- a/src/Humanizer/RegexOptionsUtil.cs
+++ /dev/null
@@ -1,10 +0,0 @@
-namespace Humanizer
-{
-    static class RegexOptionsUtil
-    {
-        static RegexOptionsUtil() =>
-            Compiled = Enum.TryParse("Compiled", out RegexOptions compiled) ? compiled : RegexOptions.None;
-
-        public static RegexOptions Compiled { get; }
-    }
-}
diff --git a/src/Humanizer/RomanNumeralExtensions.cs b/src/Humanizer/RomanNumeralExtensions.cs
index 6c5d3c94d..306af6bc0 100644
--- a/src/Humanizer/RomanNumeralExtensions.cs
+++ b/src/Humanizer/RomanNumeralExtensions.cs
@@ -30,7 +30,7 @@ public static class RomanNumeralExtensions
         static readonly Regex ValidRomanNumeral =
             new(
                 "^(?i:(?=[MDCLXVI])((M{0,3})((C[DM])|(D?C{0,3}))?((X[LC])|(L?XX{0,2})|L)?((I[VX])|(V?(II{0,2}))|V)?))$",
-                RegexOptionsUtil.Compiled);
+                RegexOptions.Compiled);
 
         /// <summary>
         /// Converts Roman numbers into integer
diff --git a/src/Humanizer/StringHumanizeExtensions.cs b/src/Humanizer/StringHumanizeExtensions.cs
index dfdaea676..4e09bb33e 100644
--- a/src/Humanizer/StringHumanizeExtensions.cs
+++ b/src/Humanizer/StringHumanizeExtensions.cs
@@ -18,8 +18,8 @@ static StringHumanizeExtensions()
         {
             PascalCaseWordPartsRegex = new(
                 $"({OptionallyCapitalizedWord}|{IntegerAndOptionalLowercaseLetters}|{Acronym}|{SequenceOfOtherLetters}){MidSentencePunctuation}",
-                RegexOptions.IgnorePatternWhitespace | RegexOptions.ExplicitCapture | RegexOptionsUtil.Compiled);
-            FreestandingSpacingCharRegex = new(@"\s[-_]|[-_]\s", RegexOptionsUtil.Compiled);
+                RegexOptions.IgnorePatternWhitespace | RegexOptions.ExplicitCapture | RegexOptions.Compiled);
+            FreestandingSpacingCharRegex = new(@"\s[-_]|[-_]\s", RegexOptions.Compiled);
         }
 
         static string FromUnderscoreDashSeparatedWords(string input) =>