diff --git a/osu.Desktop.VisualTests/Tests/TestCaseGraphAndBar.cs b/osu.Desktop.VisualTests/Tests/TestCaseGraphAndBar.cs
index 571a5031c8..5ae64b5e73 100644
--- a/osu.Desktop.VisualTests/Tests/TestCaseGraphAndBar.cs
+++ b/osu.Desktop.VisualTests/Tests/TestCaseGraphAndBar.cs
@@ -5,7 +5,6 @@ using OpenTK;
 using osu.Framework.Graphics;
 using osu.Framework.Testing;
 using osu.Game.Graphics.UserInterface;
-using System.Collections.Generic;
 using System.Linq;
 
 namespace osu.Desktop.VisualTests.Tests
diff --git a/osu.Game/Graphics/UserInterface/BarGraph.cs b/osu.Game/Graphics/UserInterface/BarGraph.cs
index 2daa19bb4e..8f02f14ea8 100644
--- a/osu.Game/Graphics/UserInterface/BarGraph.cs
+++ b/osu.Game/Graphics/UserInterface/BarGraph.cs
@@ -7,6 +7,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Colour;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Sprites;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 
@@ -166,6 +167,7 @@ namespace osu.Game.Graphics.UserInterface
         }
     }
 
+    [Flags]
     public enum BarDirection
     {
         LeftToRight = 1 << 0,