diff --git a/osu.Game/Online/RealtimeMultiplayer/IStatefulMultiplayerClient.cs b/osu.Game/Online/RealtimeMultiplayer/IStatefulMultiplayerClient.cs
deleted file mode 100644
index 578092662a..0000000000
--- a/osu.Game/Online/RealtimeMultiplayer/IStatefulMultiplayerClient.cs
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
-// See the LICENCE file in the repository root for full licence text.
-
-#nullable enable
-
-namespace osu.Game.Online.RealtimeMultiplayer
-{
-    /// <summary>
-    /// A multiplayer client which maintains local room and user state. Also provides a proxy to access the <see cref="IMultiplayerServer"/>.
-    /// </summary>
-    public interface IStatefulMultiplayerClient : IMultiplayerClient, IMultiplayerServer
-    {
-        MultiplayerUserState State { get; }
-
-        MultiplayerRoom? Room { get; }
-    }
-}