diff --git a/src/MaaWpfGui/ViewModels/UI/SettingsViewModel.cs b/src/MaaWpfGui/ViewModels/UI/SettingsViewModel.cs
index 4176a1d73f..91a3726f83 100644
--- a/src/MaaWpfGui/ViewModels/UI/SettingsViewModel.cs
+++ b/src/MaaWpfGui/ViewModels/UI/SettingsViewModel.cs
@@ -50,7 +50,6 @@ using MaaWpfGui.WineCompat;
 using Microsoft.Win32;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
-using PropertyChanged;
 using Serilog;
 using Stylet;
 using ComboBox = System.Windows.Controls.ComboBox;