diff --git a/osu.Game.Tests/Visual/Gameplay/TestSceneHUDOverlay.cs b/osu.Game.Tests/Visual/Gameplay/TestSceneHUDOverlay.cs
index c7a4071d54..5e1412d79b 100644
--- a/osu.Game.Tests/Visual/Gameplay/TestSceneHUDOverlay.cs
+++ b/osu.Game.Tests/Visual/Gameplay/TestSceneHUDOverlay.cs
@@ -213,7 +213,7 @@ namespace osu.Game.Tests.Visual.Gameplay
 
             AddStep("attempt seek", () =>
             {
-                InputManager.MoveMouseTo(getSongProgress() as Drawable);
+                InputManager.MoveMouseTo(getSongProgress());
                 InputManager.Click(MouseButton.Left);
             });
 
diff --git a/osu.Game.Tests/Visual/Multiplayer/TestSceneMultiSpectatorScreen.cs b/osu.Game.Tests/Visual/Multiplayer/TestSceneMultiSpectatorScreen.cs
index dd891b456c..e09496b6e9 100644
--- a/osu.Game.Tests/Visual/Multiplayer/TestSceneMultiSpectatorScreen.cs
+++ b/osu.Game.Tests/Visual/Multiplayer/TestSceneMultiSpectatorScreen.cs
@@ -121,7 +121,7 @@ namespace osu.Game.Tests.Visual.Multiplayer
             AddUntilStep("all interactive elements removed", () => this.ChildrenOfType<Player>().All(p =>
                 !p.ChildrenOfType<PlayerSettingsOverlay>().Any() &&
                 !p.ChildrenOfType<HoldForMenuButton>().Any() &&
-                p.ChildrenOfType<ISongProgressBar>().SingleOrDefault()?.Interactive == false));
+                p.ChildrenOfType<ArgonSongProgressBar>().SingleOrDefault()?.Interactive == false));
 
             AddStep("restore config hud visibility", () => config.SetValue(OsuSetting.HUDVisibilityMode, originalConfigValue));
         }
diff --git a/osu.Game/Screens/Play/HUD/ArgonSongProgressBar.cs b/osu.Game/Screens/Play/HUD/ArgonSongProgressBar.cs
index ff999aa6a3..a76b3d4b50 100644
--- a/osu.Game/Screens/Play/HUD/ArgonSongProgressBar.cs
+++ b/osu.Game/Screens/Play/HUD/ArgonSongProgressBar.cs
@@ -19,7 +19,7 @@ using osuTK.Graphics;
 
 namespace osu.Game.Screens.Play.HUD
 {
-    public partial class ArgonSongProgressBar : SliderBar<double>, ISongProgressBar
+    public partial class ArgonSongProgressBar : SliderBar<double>
     {
         private readonly float baseHeight;
         private readonly float catchupBaseDepth;
diff --git a/osu.Game/Screens/Play/HUD/ISongProgressBar.cs b/osu.Game/Screens/Play/HUD/ISongProgressBar.cs
deleted file mode 100644
index 683037577d..0000000000
--- a/osu.Game/Screens/Play/HUD/ISongProgressBar.cs
+++ /dev/null
@@ -1,20 +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.
-
-using System;
-
-namespace osu.Game.Screens.Play.HUD
-{
-    public interface ISongProgressBar
-    {
-        /// <summary>
-        /// Whether the progress bar should allow interaction, ie. to perform seek operations.
-        /// </summary>
-        public bool Interactive { get; set; }
-
-        /// <summary>
-        /// Action which is invoked when a seek is requested, with the proposed millisecond value for the seek operation.
-        /// </summary>
-        public Action<double>? OnSeek { get; set; }
-    }
-}
diff --git a/osu.Game/Screens/Play/HUD/SongProgressBar.cs b/osu.Game/Screens/Play/HUD/SongProgressBar.cs
index fade562e3c..c2889d7e8a 100644
--- a/osu.Game/Screens/Play/HUD/SongProgressBar.cs
+++ b/osu.Game/Screens/Play/HUD/SongProgressBar.cs
@@ -13,16 +13,16 @@ using osu.Framework.Threading;
 
 namespace osu.Game.Screens.Play.HUD
 {
-    public partial class SongProgressBar : SliderBar<double>, ISongProgressBar
+    public partial class SongProgressBar : SliderBar<double>
     {
+        /// <summary>
+        /// Action which is invoked when a seek is requested, with the proposed millisecond value for the seek operation.
+        /// </summary>
         public Action<double>? OnSeek { get; set; }
 
-        private readonly Box fill;
-        private readonly Container handleBase;
-        private readonly Container handleContainer;
-
-        private bool showHandle;
-
+        /// <summary>
+        /// Whether the progress bar should allow interaction, ie. to perform seek operations.
+        /// </summary>
         public bool Interactive
         {
             get => showHandle;
@@ -57,6 +57,12 @@ namespace osu.Game.Screens.Play.HUD
             set => CurrentNumber.Value = value;
         }
 
+        private readonly Box fill;
+        private readonly Container handleBase;
+        private readonly Container handleContainer;
+
+        private bool showHandle;
+
         public SongProgressBar(float barHeight, float handleBarHeight, Vector2 handleSize)
         {
             CurrentNumber.MinValue = 0;