diff --git a/osu.Game/Rulesets/Timing/SpeedAdjustmentContainer.cs b/osu.Game/Rulesets/Timing/SpeedAdjustmentContainer.cs
index 0ca6fc84c2..3b13fdf00a 100644
--- a/osu.Game/Rulesets/Timing/SpeedAdjustmentContainer.cs
+++ b/osu.Game/Rulesets/Timing/SpeedAdjustmentContainer.cs
@@ -1,7 +1,6 @@
 // Copyright (c) 2007-2017 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.Framework.Configuration;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
@@ -27,7 +26,7 @@ namespace osu.Game.Rulesets.Timing
         public readonly BindableBool Reversed = new BindableBool();
 
         protected override Container<DrawableHitObject> Content => content;
-        private Container<DrawableHitObject> content;
+        private readonly Container<DrawableHitObject> content;
 
         /// <summary>
         /// The axes which the content of this container will scroll through.
@@ -41,7 +40,7 @@ namespace osu.Game.Rulesets.Timing
         /// </summary>
         public readonly MultiplierControlPoint ControlPoint;
 
-        private ScrollingContainer scrollingContainer;
+        private readonly ScrollingContainer scrollingContainer;
 
         /// <summary>
         /// Creates a new <see cref="SpeedAdjustmentContainer"/>.