diff --git a/demo/WalkingTec.Mvvm.Demo/DataContext.cs b/demo/WalkingTec.Mvvm.Demo/DataContext.cs
index dab61b1d1..70be7f3e9 100644
--- a/demo/WalkingTec.Mvvm.Demo/DataContext.cs
+++ b/demo/WalkingTec.Mvvm.Demo/DataContext.cs
@@ -177,7 +177,6 @@ private void SetTestData(Type modelType, Dictionary<string, List<object>> data,
                     }
                 }
                 int a = dc.SaveChanges();
-                int x = 0;
             }
         }