diff --git a/Demos/GameImpl.cs b/Demos/GameImpl.cs
index 55dcfd2..6eb6930 100644
--- a/Demos/GameImpl.cs
+++ b/Demos/GameImpl.cs
@@ -48,15 +48,6 @@ namespace Demos {
         }
 
         protected override void LoadContent() {
-            // TODO remove with MonoGame 3.8.1 https://github.com/MonoGame/MonoGame/issues/7298
-            #if !FNA
-            if (PlatformInfo.MonoGamePlatform == MonoGamePlatform.DesktopGL) {
-                this.GraphicsDeviceManager.PreferredBackBufferWidth = 1280;
-                this.GraphicsDeviceManager.PreferredBackBufferHeight = 720;
-                this.GraphicsDeviceManager.ApplyChanges();
-            }
-            #endif
-
             base.LoadContent();
             this.UiSystem.AutoScaleReferenceSize = new Point(1280, 720);
             this.UiSystem.AutoScaleWithScreen = true;