diff --git a/Countdown/GlobalUsings.cs b/Countdown/GlobalUsings.cs
index 95f8bb3..196a3c3 100644
--- a/Countdown/GlobalUsings.cs
+++ b/Countdown/GlobalUsings.cs
@@ -32,10 +32,8 @@
 
 global using Windows.ApplicationModel.DataTransfer;
 global using Windows.Foundation;
-global using Windows.Foundation.Collections;
 global using Windows.Graphics;
 global using Windows.Media.Playback;
-global using Windows.Storage;
 global using Windows.System;
 global using Windows.UI;
 global using Windows.Win32;
diff --git a/Countdown/Views/LettersView.xaml.cs b/Countdown/Views/LettersView.xaml.cs
index 4e57b33..b3395f6 100644
--- a/Countdown/Views/LettersView.xaml.cs
+++ b/Countdown/Views/LettersView.xaml.cs
@@ -7,7 +7,6 @@ internal sealed partial class LettersView : Page
     private bool firstLoad = true;
 
     private TreeViewList? treeViewList;
-    private TextBox? textBox;
     private LettersViewModel? viewModel;
 
     public LettersView()
@@ -16,23 +15,24 @@ public LettersView()
 
         Loaded += (s, e) =>
         {
-            textBox ??= FindChild<TextBox>(SuggestionBox);
-
-            if (textBox is not null)
+            if (firstLoad)
             {
-                textBox.CharacterCasing = CharacterCasing.Lower;
-                textBox.MaxLength = Models.WordModel.cMaxLetters;
+                firstLoad = false;
 
-                textBox.BeforeTextChanging += (s, a) =>
+                TextBox? textBox = FindChild<TextBox>(SuggestionBox);
+
+                if (textBox is not null)
                 {
-                    if (a.NewText.Length > 0)
-                        a.Cancel = a.NewText.Any(c => c is < 'a' or > 'z');
-                };
-            }
+                    textBox.CharacterCasing = CharacterCasing.Lower;
+                    textBox.MaxLength = Models.WordModel.cMaxLetters;
+
+                    textBox.BeforeTextChanging += (s, a) =>
+                    {
+                        if (a.NewText.Length > 0)
+                            a.Cancel = a.NewText.Any(c => c is < 'a' or > 'z');
+                    };
+                }
 
-            if (firstLoad)
-            {
-                firstLoad = false;
                 App.MainWindow?.AddDragRegionEventHandlers(this);
             }