diff --git a/src/Constants.cs b/src/Constants.cs
index 9936f30..69b8bda 100644
--- a/src/Constants.cs
+++ b/src/Constants.cs
@@ -67,9 +67,6 @@ internal static partial class Constants
         [AttributeUsage(@Class | @Struct, Inherited = false, AllowMultiple = false)]
         {{{GeneratedCodeAttributesList}}}
         internal sealed class RegexDtoAttribute(
-            #if NET7_0_OR_GREATER
-            [@StringSyntax(StringSyntax.Regex)]
-            #endif
             string Regex, System.Type? BaseType = null, RegexOptions RegexOptions = Compiled | CultureInvariant | ExplicitCapture | IgnoreCase | IgnorePatternWhitespace | Singleline) : System.Attribute
         {
             public string Regex { get; } = Regex;