DotvvmChildEventCallback

diff --git a/src/Web/ViewModels/DefaultViewModel.cs b/src/Web/ViewModels/DefaultViewModel.cs
index e8e77bd..e4409d7 100644
--- a/src/Web/ViewModels/DefaultViewModel.cs
+++ b/src/Web/ViewModels/DefaultViewModel.cs
@@ -2,7 +2,6 @@ namespace Web.ViewModels
 {
     using System;
     using System.Collections.Generic;
-    using System.Threading.Tasks;
     using static DefaultViewModelEvents;
 
     public static class DefaultViewModelEvents
@@ -72,7 +71,7 @@ namespace Web.ViewModels
         public string ConfirmationMessage { get; set; }
         public bool IsInitialized { get; set; }
         public bool IsNextEnabled { get; set; }
-        
+
         public bool ShowConfirmationModal { get; set; }
 
         public void Initialize(ToggleNext toggleNext)