diff --git a/src/Moonglade.Function.Email/TestEmail.cs b/src/Moonglade.Function.Email/TestEmail.cs
index bde95c7..a12c315 100644
--- a/src/Moonglade.Function.Email/TestEmail.cs
+++ b/src/Moonglade.Function.Email/TestEmail.cs
@@ -42,9 +42,6 @@ public async Task<IActionResult> Run(
 
 public class TestEmailRequest
 {
-    [Required]
-    public string EmailDisplayName { get; set; }
-
     [Required]
     [MinLength(1)]
     [MaxLength(20)]