diff --git a/src/OrchardCore.Modules/OrchardCore.Setup/Annotations/SiteNameValidAttribute.cs b/src/OrchardCore.Modules/OrchardCore.Setup/Annotations/SiteNameValidAttribute.cs
deleted file mode 100644
index d46fce4707d..00000000000
--- a/src/OrchardCore.Modules/OrchardCore.Setup/Annotations/SiteNameValidAttribute.cs
+++ /dev/null
@@ -1,26 +0,0 @@
-namespace OrchardCore.Setup.Annotations
-{
-    public class SiteNameValidAttribute : System.ComponentModel.DataAnnotations.RangeAttribute
-    {
-        private string _value;
-
-        public SiteNameValidAttribute(int maximumLength)
-            : base(1, maximumLength)
-        {
-        }
-
-        public override bool IsValid(object value)
-        {
-            _value = (value as string) ?? "";
-            return base.IsValid(_value.Trim().Length);
-        }
-
-        public override string FormatErrorMessage(string name)
-        {
-            if (string.IsNullOrWhiteSpace(_value))
-                return "Site name is required.";
-
-            return $"Site name can be no longer than {Maximum} characters.";
-        }
-    }
-}
diff --git a/src/OrchardCore.Modules/OrchardCore.Setup/ViewModels/SetupViewModel.cs b/src/OrchardCore.Modules/OrchardCore.Setup/ViewModels/SetupViewModel.cs
index a7a82d7c5d3..7cf87d9f8ef 100644
--- a/src/OrchardCore.Modules/OrchardCore.Setup/ViewModels/SetupViewModel.cs
+++ b/src/OrchardCore.Modules/OrchardCore.Setup/ViewModels/SetupViewModel.cs
@@ -4,14 +4,13 @@
 using Microsoft.AspNetCore.Mvc.ModelBinding;
 using OrchardCore.Data;
 using OrchardCore.Recipes.Models;
-using OrchardCore.Setup.Annotations;
 
 namespace OrchardCore.Setup.ViewModels
 {
     public class SetupViewModel
     {
         [Required]
-        [SiteNameValid(maximumLength: 70)]
+        [StringLength(70)]
         public string SiteName { get; set; }
 
         public string Description { get; set; }