diff --git a/osu.Game.Tournament.Tests/TournamentTestScene.cs b/osu.Game.Tournament.Tests/TournamentTestScene.cs
index d519915355..84e5da62f4 100644
--- a/osu.Game.Tournament.Tests/TournamentTestScene.cs
+++ b/osu.Game.Tournament.Tests/TournamentTestScene.cs
@@ -19,7 +19,8 @@ namespace osu.Game.Tournament.Tests
 {
     public abstract partial class TournamentTestScene : OsuManualInputManagerTestScene
     {
-        protected DialogOverlay DialogOverlay = null!;
+        [Cached(typeof(IDialogOverlay))]
+        protected readonly DialogOverlay DialogOverlay = new DialogOverlay { Depth = float.MinValue };
 
         [Cached]
         protected LadderInfo Ladder { get; private set; } = new LadderInfo();
@@ -47,9 +48,7 @@ namespace osu.Game.Tournament.Tests
             Ruleset.BindTo(Ladder.Ruleset);
             Dependencies.CacheAs(new StableInfo(storage));
 
-            Add(DialogOverlay = new DialogOverlay { Depth = -1 });
-
-            Dependencies.CacheAs<IDialogOverlay>(DialogOverlay);
+            Add(DialogOverlay);
         }
 
         [SetUpSteps]
diff --git a/osu.Game.Tournament/TournamentGame.cs b/osu.Game.Tournament/TournamentGame.cs
index ec920abbd6..c79cc9cd57 100644
--- a/osu.Game.Tournament/TournamentGame.cs
+++ b/osu.Game.Tournament/TournamentGame.cs
@@ -42,11 +42,8 @@ namespace osu.Game.Tournament
 
         private LoadingSpinner loadingSpinner;
 
+        [Cached(typeof(IDialogOverlay))]
         private readonly DialogOverlay dialogOverlay = new DialogOverlay();
-        private DependencyContainer dependencies;
-
-        protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent) =>
-            dependencies = new DependencyContainer(base.CreateChildDependencies(parent));
 
         [BackgroundDependencyLoader]
         private void load(FrameworkConfigManager frameworkConfig, GameHost host)
@@ -64,8 +61,6 @@ namespace osu.Game.Tournament
                 Margin = new MarginPadding(40),
             });
 
-            dependencies.CacheAs<IDialogOverlay>(dialogOverlay);
-
             // in order to have the OS mouse cursor visible, relative mode needs to be disabled.
             // can potentially be removed when https://github.com/ppy/osu-framework/issues/4309 is resolved.
             var mouseHandler = host.AvailableInputHandlers.OfType<MouseHandler>().FirstOrDefault();