diff --git a/Elwig/Windows/MainWindow.xaml.cs b/Elwig/Windows/MainWindow.xaml.cs
index d0bc904..a0c9211 100644
--- a/Elwig/Windows/MainWindow.xaml.cs
+++ b/Elwig/Windows/MainWindow.xaml.cs
@@ -1,4 +1,3 @@
-using System.ComponentModel;
 using System.Linq;
 using System.Windows;
 using Elwig.Documents;