diff --git a/OwnChar.App.Desktop/UI/Windows/MainWindow.Designer.cs b/OwnChar.App.Desktop/UI/Windows/MainWindow.Designer.cs
index 51d44ef..3e56389 100644
--- a/OwnChar.App.Desktop/UI/Windows/MainWindow.Designer.cs
+++ b/OwnChar.App.Desktop/UI/Windows/MainWindow.Designer.cs
@@ -32,10 +32,8 @@ namespace OwnChar.App.Desktop.UI.Windows
         {
             radTabbedFormControl1 = new RadTabbedFormControl();
             radTabbedFormControl2 = new RadTabbedFormControl();
-            radTabbedFormControlTab1 = new RadTabbedFormControlTab();
             ((System.ComponentModel.ISupportInitialize)radTabbedFormControl1).BeginInit();
             ((System.ComponentModel.ISupportInitialize)radTabbedFormControl2).BeginInit();
-            radTabbedFormControl2.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)this).BeginInit();
             SuspendLayout();
             // 
@@ -54,21 +52,12 @@ namespace OwnChar.App.Desktop.UI.Windows
             // 
             // radTabbedFormControl2
             // 
-            radTabbedFormControl2.Controls.Add(radTabbedFormControlTab1);
             radTabbedFormControl2.Location = new System.Drawing.Point(0, 0);
             radTabbedFormControl2.Name = "radTabbedFormControl2";
-            radTabbedFormControl2.SelectedTab = radTabbedFormControlTab1;
             radTabbedFormControl2.Size = new System.Drawing.Size(780, 589);
             radTabbedFormControl2.TabIndex = 1;
             radTabbedFormControl2.Text = "RadForm1";
             // 
-            // radTabbedFormControlTab1
-            // 
-            radTabbedFormControlTab1.Location = new System.Drawing.Point(1, 31);
-            radTabbedFormControlTab1.Name = "radTabbedFormControlTab1";
-            radTabbedFormControlTab1.Size = new System.Drawing.Size(780, 559);
-            radTabbedFormControlTab1.Text = "Tab 1";
-            // 
             // MainWindow
             // 
             AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
@@ -81,7 +70,6 @@ namespace OwnChar.App.Desktop.UI.Windows
             Load += MainWindow_Load;
             ((System.ComponentModel.ISupportInitialize)radTabbedFormControl1).EndInit();
             ((System.ComponentModel.ISupportInitialize)radTabbedFormControl2).EndInit();
-            radTabbedFormControl2.ResumeLayout(false);
             ((System.ComponentModel.ISupportInitialize)this).EndInit();
             ResumeLayout(false);
         }
@@ -90,6 +78,5 @@ namespace OwnChar.App.Desktop.UI.Windows
 
         private Telerik.WinControls.UI.RadTabbedFormControl radTabbedFormControl1;
         private RadTabbedFormControl radTabbedFormControl2;
-        private RadTabbedFormControlTab radTabbedFormControlTab1;
     }
 }
\ No newline at end of file
diff --git a/OwnChar.App.Desktop/UI/Windows/MainWindow.cs b/OwnChar.App.Desktop/UI/Windows/MainWindow.cs
index 8fe176f..c5da214 100644
--- a/OwnChar.App.Desktop/UI/Windows/MainWindow.cs
+++ b/OwnChar.App.Desktop/UI/Windows/MainWindow.cs
@@ -18,7 +18,6 @@ namespace OwnChar.App.Desktop.UI.Windows
     public partial class MainWindow : RadTabbedForm
     {
         private readonly OwnCharManager manager = new();
-        private readonly IDataManager dataManager = new DefaultDataManager(new JsonFileDataProvider("test.json"));
 
         public MainWindowApi Api { get; }