diff --git a/osu.Game/Overlays/Music/CollectionsDropdown.cs b/osu.Game/Overlays/Music/CollectionsDropdown.cs
new file mode 100644
index 0000000000..04dd446f01
--- /dev/null
+++ b/osu.Game/Overlays/Music/CollectionsDropdown.cs
@@ -0,0 +1,70 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using OpenTK;
+using OpenTK.Graphics;
+using osu.Framework.Allocation;
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.UserInterface;
+using osu.Game.Graphics;
+using osu.Game.Graphics.UserInterface;
+
+public class CollectionsDropdown<T> : OsuDropdown<T>
+{
+    protected override DropdownHeader CreateHeader() => new CollectionsHeader { AccentColour = AccentColour };
+    protected override Menu CreateMenu() => new CollectionsMenu();
+
+    [BackgroundDependencyLoader]
+    private void load(OsuColour colours)
+    {
+        AccentColour = colours.Gray6;
+    }
+
+    private class CollectionsHeader : OsuDropdownHeader
+    {
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            BackgroundColour = colours.Gray4;
+        }
+
+        public CollectionsHeader()
+        {
+            CornerRadius = 5;
+            Height = 30;
+            Icon.TextSize = 14;
+            Icon.Margin = new MarginPadding(0);
+            Foreground.Padding = new MarginPadding { Top = 4, Bottom = 4, Left = 10, Right = 10 };
+            EdgeEffect = new EdgeEffect
+            {
+                Type = EdgeEffectType.Shadow,
+                Colour = Color4.Black.Opacity(0.3f),
+                Radius = 3,
+                Offset = new Vector2(0f, 1f),
+            };
+        }
+    }
+
+    private class CollectionsMenu : OsuMenu
+    {
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            Background.Colour = colours.Gray4;
+        }
+
+        public CollectionsMenu()
+        {
+            CornerRadius = 5;
+            EdgeEffect = new EdgeEffect
+            {
+                Type = EdgeEffectType.Shadow,
+                Colour = Color4.Black.Opacity(0.3f),
+                Radius = 3,
+                Offset = new Vector2(0f, 1f),
+            };
+        }
+    }
+}
\ No newline at end of file
diff --git a/osu.Game/Overlays/Music/FilterControl.cs b/osu.Game/Overlays/Music/FilterControl.cs
index 6d8790a9e8..56cd6e864b 100644
--- a/osu.Game/Overlays/Music/FilterControl.cs
+++ b/osu.Game/Overlays/Music/FilterControl.cs
@@ -3,10 +3,8 @@
 
 using System.Collections.Generic;
 using osu.Framework.Allocation;
-using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.UserInterface;
 using osu.Game.Graphics;
 using osu.Game.Graphics.UserInterface;
 using OpenTK;
@@ -74,63 +72,5 @@ namespace osu.Game.Overlays.Music
                 backgroundColour = colours.Gray2;
             }
         }
-
-        private class CollectionsDropdown<T> : OsuDropdown<T>
-        {
-            protected override DropdownHeader CreateHeader() => new CollectionsHeader { AccentColour = AccentColour };
-            protected override Menu CreateMenu() => new CollectionsMenu();
-
-            [BackgroundDependencyLoader]
-            private void load(OsuColour colours)
-            {
-                AccentColour = colours.Gray6;
-            }
-
-            private class CollectionsHeader : OsuDropdownHeader
-            {
-                [BackgroundDependencyLoader]
-                private void load(OsuColour colours)
-                {
-                    BackgroundColour = colours.Gray4;
-                }
-
-                public CollectionsHeader()
-                {
-                    CornerRadius = 5;
-                    Height = 30;
-                    Icon.TextSize = 14;
-                    Icon.Margin = new MarginPadding(0);
-                    Foreground.Padding = new MarginPadding { Top = 4, Bottom = 4, Left = 10, Right = 10 };
-                    EdgeEffect = new EdgeEffect
-                    {
-                        Type = EdgeEffectType.Shadow,
-                        Colour = Color4.Black.Opacity(0.3f),
-                        Radius = 3,
-                        Offset = new Vector2(0f, 1f),
-                    };
-                }
-            }
-
-            private class CollectionsMenu : OsuMenu
-            {
-                [BackgroundDependencyLoader]
-                private void load(OsuColour colours)
-                {
-                    Background.Colour = colours.Gray4;
-                }
-
-                public CollectionsMenu()
-                {
-                    CornerRadius = 5;
-                    EdgeEffect = new EdgeEffect
-                    {
-                        Type = EdgeEffectType.Shadow,
-                        Colour = Color4.Black.Opacity(0.3f),
-                        Radius = 3,
-                        Offset = new Vector2(0f, 1f),
-                    };
-                }
-            }
-        }
     }
 }