diff --git a/IRaCIS.Core.Application/Service/Document/DTO/SystemDocumentViewModel.cs b/IRaCIS.Core.Application/Service/Document/DTO/SystemDocumentViewModel.cs
index 0810dc8b5..2b63a668b 100644
--- a/IRaCIS.Core.Application/Service/Document/DTO/SystemDocumentViewModel.cs
+++ b/IRaCIS.Core.Application/Service/Document/DTO/SystemDocumentViewModel.cs
@@ -115,7 +115,6 @@ namespace IRaCIS.Core.Application.Contracts
 
     public class UserConfirmCommand
     {
-        [NotDefault]
         public Guid TrialId { get; set; }
 
         [NotDefault]