diff --git a/OpenRa.Game/Game.cs b/OpenRa.Game/Game.cs
index 0f513f3da6..fc88c0922a 100644
--- a/OpenRa.Game/Game.cs
+++ b/OpenRa.Game/Game.cs
@@ -8,7 +8,6 @@ using OpenRa.Game.GameRules;
 using OpenRa.Game.Graphics;
 using OpenRa.Game.Support;
 using OpenRa.Game.Traits;
-using System.Windows.Forms;
 
 namespace OpenRa.Game
 {
diff --git a/OpenRa.Game/Graphics/Animation.cs b/OpenRa.Game/Graphics/Animation.cs
index 4bde122441..56d4c797a6 100644
--- a/OpenRa.Game/Graphics/Animation.cs
+++ b/OpenRa.Game/Graphics/Animation.cs
@@ -26,18 +26,11 @@ namespace OpenRa.Game.Graphics
 			}
 		}
 
-		public float2 Center { get { return 0.25f * new float2(CurrentSequence.GetSprite(0).bounds.Size); } }
-
 		public void Play( string sequenceName )
 		{
 			PlayThen(sequenceName, () => { });
 		}
 
-		public void PlayBackwards(string sequenceName)
-		{
-			PlayBackwardsThen(sequenceName, () => { });
-		}
-
 		public void PlayRepeating( string sequenceName )
 		{
 			PlayThen( sequenceName, () => PlayRepeating( CurrentSequence.Name ) );
diff --git a/OpenRa.Game/Graphics/CursorSheetBuilder.cs b/OpenRa.Game/Graphics/CursorSheetBuilder.cs
index 513391d135..333a225da9 100644
--- a/OpenRa.Game/Graphics/CursorSheetBuilder.cs
+++ b/OpenRa.Game/Graphics/CursorSheetBuilder.cs
@@ -1,7 +1,6 @@
-using System.Collections.Generic;
-using OpenRa.FileFormats;
-using System.Linq;
+using System.Linq;
 using IjwFramework.Collections;
+using OpenRa.FileFormats;
 
 namespace OpenRa.Game.Graphics
 {
diff --git a/OpenRa.Game/Graphics/SpriteSheetBuilder.cs b/OpenRa.Game/Graphics/SpriteSheetBuilder.cs
index 77e9e11eff..276ce6d90b 100644
--- a/OpenRa.Game/Graphics/SpriteSheetBuilder.cs
+++ b/OpenRa.Game/Graphics/SpriteSheetBuilder.cs
@@ -1,7 +1,6 @@
-using System.Collections.Generic;
-using OpenRa.FileFormats;
-using IjwFramework.Collections;
 using System.Linq;
+using IjwFramework.Collections;
+using OpenRa.FileFormats;
 
 namespace OpenRa.Game.Graphics
 {
diff --git a/OpenRa.Game/Traits/AttackInfo.cs b/OpenRa.Game/Traits/AttackInfo.cs
index 52ad8177d5..e1e7ce6f92 100644
--- a/OpenRa.Game/Traits/AttackInfo.cs
+++ b/OpenRa.Game/Traits/AttackInfo.cs
@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using OpenRa.Game.GameRules;
+using OpenRa.Game.GameRules;
 
 namespace OpenRa.Game.Traits
 {
diff --git a/OpenRa.Game/Traits/TakeCover.cs b/OpenRa.Game/Traits/TakeCover.cs
index a8aafe9ca8..59cba709aa 100644
--- a/OpenRa.Game/Traits/TakeCover.cs
+++ b/OpenRa.Game/Traits/TakeCover.cs
@@ -1,9 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using OpenRa.Game.GameRules;
-
+
 namespace OpenRa.Game.Traits
 {
 	// infantry prone behavior
diff --git a/OpenRa.Game/Traits/TraitsInterfaces.cs b/OpenRa.Game/Traits/TraitsInterfaces.cs
index fd3c22a3bc..9485b850d2 100644
--- a/OpenRa.Game/Traits/TraitsInterfaces.cs
+++ b/OpenRa.Game/Traits/TraitsInterfaces.cs
@@ -1,7 +1,7 @@
 using System.Collections.Generic;
+using System.Drawing;
 using OpenRa.Game.GameRules;
 using OpenRa.Game.Graphics;
-using System.Drawing;
 
 namespace OpenRa.Game.Traits
 {
@@ -10,29 +10,6 @@ namespace OpenRa.Game.Traits
 	// depends on the order of pips in WorldRenderer.cs!
 	enum PipType { Transparent, Green, Yellow, Red, Gray };
 	enum TagType { None, Fake, Primary };
-
-	struct Renderable
-	{
-		public readonly Sprite Sprite;
-		public readonly float2 Pos;
-		public readonly PaletteType Palette;
-		public readonly int ZOffset;
-
-		public Renderable(Sprite sprite, float2 pos, PaletteType palette, int zOffset)
-		{
-			Sprite = sprite;
-			Pos = pos;
-			Palette = palette;
-			ZOffset = zOffset;
-		}
-
-		public Renderable(Sprite sprite, float2 pos, PaletteType palette)
-			: this(sprite, pos, palette, 0) { }
-
-		public Renderable WithPalette(PaletteType newPalette) { return new Renderable(Sprite, Pos, newPalette, ZOffset); }
-		public Renderable WithZOffset(int newOffset) { return new Renderable(Sprite, Pos, Palette, newOffset); }
-		public Renderable WithPos(float2 newPos) { return new Renderable(Sprite, newPos, Palette, ZOffset); }
-	}
 	
 	interface ITick { void Tick(Actor self); }
 	interface IRender { IEnumerable<Renderable> Render(Actor self); }
@@ -65,4 +42,27 @@ namespace OpenRa.Game.Traits
 		bool IsCrushableBy(UnitMovementType umt, Player player);
 		bool IsPathableCrush(UnitMovementType umt, Player player);
 	}
+
+	struct Renderable
+	{
+		public readonly Sprite Sprite;
+		public readonly float2 Pos;
+		public readonly PaletteType Palette;
+		public readonly int ZOffset;
+
+		public Renderable(Sprite sprite, float2 pos, PaletteType palette, int zOffset)
+		{
+			Sprite = sprite;
+			Pos = pos;
+			Palette = palette;
+			ZOffset = zOffset;
+		}
+
+		public Renderable(Sprite sprite, float2 pos, PaletteType palette)
+			: this(sprite, pos, palette, 0) { }
+
+		public Renderable WithPalette(PaletteType newPalette) { return new Renderable(Sprite, Pos, newPalette, ZOffset); }
+		public Renderable WithZOffset(int newOffset) { return new Renderable(Sprite, Pos, Palette, newOffset); }
+		public Renderable WithPos(float2 newPos) { return new Renderable(Sprite, newPos, Palette, ZOffset); }
+	}
 }
diff --git a/OpenRa.Game/Traits/Util.cs b/OpenRa.Game/Traits/Util.cs
index 9899519a3c..8809c86d90 100755
--- a/OpenRa.Game/Traits/Util.cs
+++ b/OpenRa.Game/Traits/Util.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Linq;
-using OpenRa.Game.Graphics;
 using OpenRa.Game.GameRules;
+using OpenRa.Game.Graphics;
 
 namespace OpenRa.Game.Traits
 {
diff --git a/OpenRa.Game/Traits/WaterPaletteRotation.cs b/OpenRa.Game/Traits/WaterPaletteRotation.cs
index 02f7cf84b5..ec31812731 100644
--- a/OpenRa.Game/Traits/WaterPaletteRotation.cs
+++ b/OpenRa.Game/Traits/WaterPaletteRotation.cs
@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Drawing;
+using System.Drawing;
 
 namespace OpenRa.Game.Traits
 {