diff --git a/osu.Game.Rulesets.Mania/Edit/Layers/Selection/Overlays/HoldNoteMask.cs b/osu.Game.Rulesets.Mania/Edit/Layers/Selection/Overlays/HoldNoteMask.cs
index 3106fedb30..ea28d24752 100644
--- a/osu.Game.Rulesets.Mania/Edit/Layers/Selection/Overlays/HoldNoteMask.cs
+++ b/osu.Game.Rulesets.Mania/Edit/Layers/Selection/Overlays/HoldNoteMask.cs
@@ -3,13 +3,10 @@
 
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
-using osu.Framework.Graphics.Primitives;
 using osu.Game.Graphics;
 using osu.Game.Rulesets.Edit;
-using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mania.Objects.Drawables;
 using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
-using OpenTK;
 using OpenTK.Graphics;
 
 namespace osu.Game.Rulesets.Mania.Edit.Layers.Selection.Overlays
@@ -32,7 +29,7 @@ namespace osu.Game.Rulesets.Mania.Edit.Layers.Selection.Overlays
             {
                 new NoteMask(hold.Head),
                 new NoteMask(hold.Tail),
-                body = new BodyPiece()
+                body = new BodyPiece
                 {
                     AccentColour = Color4.Transparent
                 },
diff --git a/osu.Game.Rulesets.Mania/Edit/Layers/Selection/Overlays/ManiaHitObjectColumnMaskLayer.cs b/osu.Game.Rulesets.Mania/Edit/Layers/Selection/Overlays/ManiaHitObjectColumnMaskLayer.cs
index 1f8d391c99..6886ff83f7 100644
--- a/osu.Game.Rulesets.Mania/Edit/Layers/Selection/Overlays/ManiaHitObjectColumnMaskLayer.cs
+++ b/osu.Game.Rulesets.Mania/Edit/Layers/Selection/Overlays/ManiaHitObjectColumnMaskLayer.cs
@@ -1,7 +1,6 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using osu.Framework.Allocation;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Mania.UI;
 using osu.Game.Screens.Edit.Screens.Compose.Layers;
diff --git a/osu.Game.Rulesets.Mania/Edit/ManiaHitObjectComposer.cs b/osu.Game.Rulesets.Mania/Edit/ManiaHitObjectComposer.cs
index 3a2c398e84..f0e0f27818 100644
--- a/osu.Game.Rulesets.Mania/Edit/ManiaHitObjectComposer.cs
+++ b/osu.Game.Rulesets.Mania/Edit/ManiaHitObjectComposer.cs
@@ -1,7 +1,6 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using osu.Framework.Graphics;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Edit.Tools;
@@ -33,13 +32,6 @@ namespace osu.Game.Rulesets.Mania.Edit
             new HitObjectCompositionTool<HoldNote>("Hold"),
         };
 
-        // TODO: According to another proposal, extend this to support multiple layers for mania maps
-        // The logic could be moving all the layers that the beatmap has simultaneously
-        // To avoid using too many resources, this could be changed to simply changing the Alpha to something
-        // between 0.25f to 0.5f for notes that are in other layers (and may be also not selected)
-        // Will also need a tool to navigate through layers
-        // Please ignore the comment above, I just wanted to write my thoughts down so that I do not forget in 2 months when I get around to it
-
         public override HitObjectMask CreateMaskFor(DrawableHitObject hitObject)
         {
             switch (hitObject)
diff --git a/osu.Game/Screens/Edit/Screens/Compose/Layers/HitObjectMaskLayer.cs b/osu.Game/Screens/Edit/Screens/Compose/Layers/HitObjectMaskLayer.cs
index 5339be7d57..ffef177d00 100644
--- a/osu.Game/Screens/Edit/Screens/Compose/Layers/HitObjectMaskLayer.cs
+++ b/osu.Game/Screens/Edit/Screens/Compose/Layers/HitObjectMaskLayer.cs
@@ -22,9 +22,9 @@ namespace osu.Game.Screens.Edit.Screens.Compose.Layers
         public HitObjectMaskLayer(Playfield playfield, HitObjectComposer composer)
         {
             // we need the playfield as HitObjects may not be initialised until its BDL.
-            this.Playfield = playfield;
+            Playfield = playfield;
 
-            this.Composer = composer;
+            Composer = composer;
 
             RelativeSizeAxes = Axes.Both;
         }