diff --git a/osu.Game/Skinning/DefaultLegacySkin.cs b/osu.Game/Skinning/DefaultLegacySkin.cs
index 564be8630e..7adf53e5e7 100644
--- a/osu.Game/Skinning/DefaultLegacySkin.cs
+++ b/osu.Game/Skinning/DefaultLegacySkin.cs
@@ -1,6 +1,7 @@
 // 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 JetBrains.Annotations;
 using osu.Framework.IO.Stores;
 using osu.Game.IO;
 using osuTK.Graphics;
@@ -9,6 +10,7 @@ namespace osu.Game.Skinning
 {
     public class DefaultLegacySkin : LegacySkin
     {
+        [UsedImplicitly(ImplicitUseKindFlags.InstantiatedWithFixedConstructorSignature)]
         public DefaultLegacySkin(IResourceStore<byte[]> storage, IStorageResourceProvider resources)
             : this(Info, storage, resources)
         {
diff --git a/osu.Game/Skinning/DefaultSkin.cs b/osu.Game/Skinning/DefaultSkin.cs
index fcd874d6ca..745bdf0bb2 100644
--- a/osu.Game/Skinning/DefaultSkin.cs
+++ b/osu.Game/Skinning/DefaultSkin.cs
@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System.Collections.Generic;
+using JetBrains.Annotations;
 using osu.Framework.Audio.Sample;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
@@ -20,6 +21,7 @@ namespace osu.Game.Skinning
         {
         }
 
+        [UsedImplicitly(ImplicitUseKindFlags.InstantiatedWithFixedConstructorSignature)]
         public DefaultSkin(SkinInfo skin, IStorageResourceProvider resources)
             : base(skin)
         {
diff --git a/osu.Game/Skinning/LegacySkin.cs b/osu.Game/Skinning/LegacySkin.cs
index eae3b69233..74250f9684 100644
--- a/osu.Game/Skinning/LegacySkin.cs
+++ b/osu.Game/Skinning/LegacySkin.cs
@@ -52,6 +52,7 @@ namespace osu.Game.Skinning
 
         private readonly Dictionary<int, LegacyManiaSkinConfiguration> maniaConfigurations = new Dictionary<int, LegacyManiaSkinConfiguration>();
 
+        [UsedImplicitly(ImplicitUseKindFlags.InstantiatedWithFixedConstructorSignature)]
         public LegacySkin(SkinInfo skin, IStorageResourceProvider resources)
             : this(skin, new LegacySkinResourceStore<SkinFileInfo>(skin, resources.Files), resources, "skin.ini")
         {