diff --git a/osu.Game/Rulesets/UI/RulesetInputManager.cs b/osu.Game/Rulesets/UI/RulesetInputManager.cs
index 2c403139b6..a8a5962762 100644
--- a/osu.Game/Rulesets/UI/RulesetInputManager.cs
+++ b/osu.Game/Rulesets/UI/RulesetInputManager.cs
@@ -248,10 +248,6 @@ namespace osu.Game.Rulesets.UI
         void Attach(ClicksPerSecondCalculator calculator);
     }
 
-    public interface IAttachableSkinComponent
-    {
-    }
-
     public class RulesetInputManagerInputState<T> : InputState
         where T : struct
     {
diff --git a/osu.Game/Screens/Play/HUD/ClicksPerSecond/ClicksPerSecondCalculator.cs b/osu.Game/Screens/Play/HUD/ClicksPerSecond/ClicksPerSecondCalculator.cs
index 3e55e11f1c..ba0c47dc8b 100644
--- a/osu.Game/Screens/Play/HUD/ClicksPerSecond/ClicksPerSecondCalculator.cs
+++ b/osu.Game/Screens/Play/HUD/ClicksPerSecond/ClicksPerSecondCalculator.cs
@@ -8,7 +8,7 @@ using osu.Game.Rulesets.UI;
 
 namespace osu.Game.Screens.Play.HUD.ClicksPerSecond
 {
-    public partial class ClicksPerSecondCalculator : Component, IAttachableSkinComponent
+    public partial class ClicksPerSecondCalculator : Component
     {
         private readonly List<double> timestamps = new List<double>();
 
diff --git a/osu.Game/Screens/Play/HUD/KeyCounterController.cs b/osu.Game/Screens/Play/HUD/KeyCounterController.cs
index 0fa02afbb4..f64a0306c6 100644
--- a/osu.Game/Screens/Play/HUD/KeyCounterController.cs
+++ b/osu.Game/Screens/Play/HUD/KeyCounterController.cs
@@ -6,11 +6,10 @@ using System.Collections.Generic;
 using osu.Framework.Bindables;
 using osu.Framework.Extensions.IEnumerableExtensions;
 using osu.Framework.Graphics.Containers;
-using osu.Game.Rulesets.UI;
 
 namespace osu.Game.Screens.Play.HUD
 {
-    public partial class KeyCounterController : CompositeComponent, IAttachableSkinComponent
+    public partial class KeyCounterController : CompositeComponent
     {
         public readonly Bindable<bool> IsCounting = new BindableBool(true);