diff --git a/osu.Game/Rulesets/Mods/IApplicableToDrawableHitObject.cs b/osu.Game/Rulesets/Mods/IApplicableToDrawableHitObject.cs
index 93055e733d..c8a9ff2f9a 100644
--- a/osu.Game/Rulesets/Mods/IApplicableToDrawableHitObject.cs
+++ b/osu.Game/Rulesets/Mods/IApplicableToDrawableHitObject.cs
@@ -1,9 +1,6 @@
 // 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;
-using System.Collections.Generic;
-using osu.Framework.Extensions.IEnumerableExtensions;
 using osu.Game.Rulesets.Objects.Drawables;
 
 namespace osu.Game.Rulesets.Mods
@@ -19,12 +16,4 @@ public interface IApplicableToDrawableHitObject : IApplicableMod
         /// </summary>
         void ApplyToDrawableHitObject(DrawableHitObject drawable);
     }
-
-    [Obsolete(@"Use the singular version IApplicableToDrawableHitObject instead.")] // Can be removed 20211216
-    public interface IApplicableToDrawableHitObjects : IApplicableToDrawableHitObject
-    {
-        void ApplyToDrawableHitObjects(IEnumerable<DrawableHitObject> drawables);
-
-        void IApplicableToDrawableHitObject.ApplyToDrawableHitObject(DrawableHitObject drawable) => ApplyToDrawableHitObjects(drawable.Yield());
-    }
 }
diff --git a/osu.Game/Rulesets/Mods/IApplicableToDrawableHitObjects.cs b/osu.Game/Rulesets/Mods/IApplicableToDrawableHitObjects.cs
new file mode 100644
index 0000000000..7f926dd8b8
--- /dev/null
+++ b/osu.Game/Rulesets/Mods/IApplicableToDrawableHitObjects.cs
@@ -0,0 +1,18 @@
+// 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;
+using System.Collections.Generic;
+using osu.Framework.Extensions.IEnumerableExtensions;
+using osu.Game.Rulesets.Objects.Drawables;
+
+namespace osu.Game.Rulesets.Mods
+{
+    [Obsolete(@"Use the singular version IApplicableToDrawableHitObject instead.")] // Can be removed 20211216
+    public interface IApplicableToDrawableHitObjects : IApplicableToDrawableHitObject
+    {
+        void ApplyToDrawableHitObjects(IEnumerable<DrawableHitObject> drawables);
+
+        void IApplicableToDrawableHitObject.ApplyToDrawableHitObject(DrawableHitObject drawable) => ApplyToDrawableHitObjects(drawable.Yield());
+    }
+}