diff --git a/OpenRA.Game/Exts.cs b/OpenRA.Game/Exts.cs
index 8e510e286b..78c5006283 100644
--- a/OpenRA.Game/Exts.cs
+++ b/OpenRA.Game/Exts.cs
@@ -12,7 +12,6 @@
 using System;
 using System.Collections.Generic;
 using System.Drawing;
-using System.Drawing.Imaging;
 using System.Globalization;
 using System.Linq;
 using System.Reflection;
@@ -448,8 +447,6 @@ namespace OpenRA
 			return result;
 		}
 
-		public static Rectangle Bounds(this Bitmap b) { return new Rectangle(0, 0, b.Width, b.Height); }
-
 		public static int ToBits(this IEnumerable<bool> bits)
 		{
 			var i = 0;
diff --git a/OpenRA.Game/FieldLoader.cs b/OpenRA.Game/FieldLoader.cs
index 408e6d4ed8..7041d75c34 100644
--- a/OpenRA.Game/FieldLoader.cs
+++ b/OpenRA.Game/FieldLoader.cs
@@ -13,7 +13,6 @@ using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Drawing;
-using System.Drawing.Imaging;
 using System.Globalization;
 using System.IO;
 using System.Linq;
@@ -450,29 +449,6 @@ namespace OpenRA
 					return InvalidValueAction(value, fieldType, fieldName);
 				}
 			}
-			else if (fieldType == typeof(ImageFormat))
-			{
-				if (value != null)
-				{
-					switch (value.ToLowerInvariant())
-					{
-					case "bmp":
-						return ImageFormat.Bmp;
-					case "gif":
-						return ImageFormat.Gif;
-					case "jpg":
-					case "jpeg":
-						return ImageFormat.Jpeg;
-					case "tif":
-					case "tiff":
-						return ImageFormat.Tiff;
-					default:
-						return ImageFormat.Png;
-					}
-				}
-
-				return InvalidValueAction(value, fieldType, fieldName);
-			}
 			else if (fieldType == typeof(bool))
 				return ParseYesNo(value, fieldType, fieldName);
 			else if (fieldType == typeof(int2[]))
diff --git a/OpenRA.Game/FieldSaver.cs b/OpenRA.Game/FieldSaver.cs
index 3f3157c660..38ca413931 100644
--- a/OpenRA.Game/FieldSaver.cs
+++ b/OpenRA.Game/FieldSaver.cs
@@ -13,7 +13,6 @@ using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Drawing;
-using System.Drawing.Imaging;
 using System.Globalization;
 using System.Linq;
 using System.Reflection;
@@ -88,11 +87,6 @@ namespace OpenRA
 				return ((HSLColor)v).ToHexString();
 			}
 
-			if (t == typeof(ImageFormat))
-			{
-				return ((ImageFormat)v).ToString();
-			}
-
 			if (t == typeof(Rectangle))
 			{
 				var r = (Rectangle)v;
diff --git a/OpenRA.Game/Game.cs b/OpenRA.Game/Game.cs
index 89bf641b1d..8d9f665db2 100644
--- a/OpenRA.Game/Game.cs
+++ b/OpenRA.Game/Game.cs
@@ -13,7 +13,6 @@ using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Drawing;
-using System.Drawing.Imaging;
 using System.Globalization;
 using System.IO;
 using System.Linq;
diff --git a/OpenRA.Game/Graphics/Palette.cs b/OpenRA.Game/Graphics/Palette.cs
index ef8323fbea..8e7f238b61 100644
--- a/OpenRA.Game/Graphics/Palette.cs
+++ b/OpenRA.Game/Graphics/Palette.cs
@@ -12,10 +12,7 @@
 using System;
 using System.Collections.Generic;
 using System.Drawing;
-using System.Drawing.Imaging;
 using System.IO;
-using System.Reflection;
-using System.Runtime.InteropServices;
 
 namespace OpenRA.Graphics
 {
@@ -36,30 +33,6 @@ namespace OpenRA.Graphics
 			return Color.FromArgb((int)palette[index]);
 		}
 
-		public static ColorPalette AsSystemPalette(this IPalette palette)
-		{
-			ColorPalette pal;
-			using (var b = new Bitmap(1, 1, PixelFormat.Format8bppIndexed))
-				pal = b.Palette;
-
-			for (var i = 0; i < Size; i++)
-				pal.Entries[i] = palette.GetColor(i);
-
-			return pal;
-		}
-
-		public static Bitmap AsBitmap(this IPalette palette)
-		{
-			var b = new Bitmap(Size, 1, PixelFormat.Format32bppArgb);
-			var data = b.LockBits(new Rectangle(0, 0, b.Width, b.Height),
-								  ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
-			var temp = new uint[Size];
-			palette.CopyToArray(temp, 0);
-			Marshal.Copy((int[])(object)temp, 0, data.Scan0, Size);
-			b.UnlockBits(data);
-			return b;
-		}
-
 		public static IPalette AsReadOnly(this IPalette palette)
 		{
 			if (palette is ImmutablePalette)
diff --git a/OpenRA.Game/Graphics/Util.cs b/OpenRA.Game/Graphics/Util.cs
index 97ad3f263e..d254474eb6 100644
--- a/OpenRA.Game/Graphics/Util.cs
+++ b/OpenRA.Game/Graphics/Util.cs
@@ -11,7 +11,6 @@
 
 using System;
 using System.Drawing;
-using System.Drawing.Imaging;
 using OpenRA.FileFormats;
 
 namespace OpenRA.Graphics
diff --git a/OpenRA.Mods.Common/UtilityCommands/ConvertSpriteToPngCommand.cs b/OpenRA.Mods.Common/UtilityCommands/ConvertSpriteToPngCommand.cs
index df4f6a1175..82cddb69c5 100644
--- a/OpenRA.Mods.Common/UtilityCommands/ConvertSpriteToPngCommand.cs
+++ b/OpenRA.Mods.Common/UtilityCommands/ConvertSpriteToPngCommand.cs
@@ -11,10 +11,8 @@
 
 using System;
 using System.Drawing;
-using System.Drawing.Imaging;
 using System.IO;
 using System.Linq;
-using System.Runtime.InteropServices;
 using OpenRA.FileFormats;
 using OpenRA.Graphics;
 using OpenRA.Primitives;
diff --git a/OpenRA.Mods.Common/Widgets/HueSliderWidget.cs b/OpenRA.Mods.Common/Widgets/HueSliderWidget.cs
index 3ca015edcf..47a72c5e61 100644
--- a/OpenRA.Mods.Common/Widgets/HueSliderWidget.cs
+++ b/OpenRA.Mods.Common/Widgets/HueSliderWidget.cs
@@ -10,7 +10,6 @@
 #endregion
 
 using System.Drawing;
-using System.Drawing.Imaging;
 using OpenRA.Graphics;
 using OpenRA.Widgets;