diff --git a/Flow.Launcher/ViewModel/SettingWindowViewModel.cs b/Flow.Launcher/ViewModel/SettingWindowViewModel.cs
index b6fd9555b..4468b7865 100644
--- a/Flow.Launcher/ViewModel/SettingWindowViewModel.cs
+++ b/Flow.Launcher/ViewModel/SettingWindowViewModel.cs
@@ -58,11 +58,5 @@ public partial class SettingWindowViewModel : BaseModel
             }
         }
     }
-
-    public event PropertyChangedEventHandler PropertyChanged;
-
-    protected virtual void OnPropertyChanged(string propertyName)
-    {
-        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
-    }
+    
 }