diff --git a/OpenRa.Game/MainWindow.cs b/OpenRa.Game/MainWindow.cs
index e31ca2ef3d..64a43ce5f0 100644
--- a/OpenRa.Game/MainWindow.cs
+++ b/OpenRa.Game/MainWindow.cs
@@ -74,22 +74,11 @@ namespace OpenRa.Game
 			PathFinder.Instance = new PathFinder( map, terrain.tileSet );
 		}
 
-		void PrecacheStructure(string name)
-		{
-			UnitSheetBuilder.GetUnit(name);
-			UnitSheetBuilder.GetUnit(name + "make");
-		}
-
-		void PrecacheUnit(string name)
-		{
-			UnitSheetBuilder.GetUnit(name);
-		}
-
 		internal void Run()
 		{
 			while (Created && Visible)
 			{
-				Frame();
+				viewport.DrawRegions();
 				Application.DoEvents();
 			}
 		}
@@ -120,10 +109,5 @@ namespace OpenRa.Game
 				lastPos = p;
 			}
 		}
-
-		void Frame()
-		{
-			viewport.DrawRegions();
-		}
 	}
 }
diff --git a/OpenRa.Game/Mcv.cs b/OpenRa.Game/Mcv.cs
index 59a1756d5a..1628c0ccbd 100644
--- a/OpenRa.Game/Mcv.cs
+++ b/OpenRa.Game/Mcv.cs
@@ -7,6 +7,8 @@ using BluntDirectX.Direct3D;
 
 namespace OpenRa.Game
 {
+	delegate void TickFunc(World world, double t);
+
 	class Mcv : Actor, ISelectable
 	{
 		static Range<int> mcvRange = UnitSheetBuilder.GetUnit("mcv");
@@ -15,14 +17,11 @@ namespace OpenRa.Game
 		int2 fromCell, toCell;
 		int moveFraction, moveFractionTotal;
 
-		delegate void TickFunc( World world, double t );
-		TickFunc currentOrder = null;
-		TickFunc nextOrder = null;
+		TickFunc currentOrder, nextOrder;
 
 		public Mcv(int2 cell, int palette)
 		{
 			fromCell = toCell = cell;
-			// HACK: display the mcv centered in it's cell;
 			renderLocation = (cell * 24).ToFloat2() - new float2(12, 12);
 			this.palette = palette;
 		}
@@ -116,9 +115,7 @@ namespace OpenRa.Game
 				else
 					location = 24 * fromCell.ToFloat2();
 
-				renderLocation = location - new float2( 12, 12 ); // HACK: center mcv in it's cell
-
-				renderLocation = renderLocation.Round();
+				renderLocation = (location - new float2( 12, 12 )).Round();
 			};
 		}
 
diff --git a/OpenRa.Game/PathFinder.cs b/OpenRa.Game/PathFinder.cs
index 1c566445c1..c64c764049 100644
--- a/OpenRa.Game/PathFinder.cs
+++ b/OpenRa.Game/PathFinder.cs
@@ -34,8 +34,6 @@ namespace OpenRa.Game
 			}
 		}
 
-		static bool first = true;
-
 		public List<int2> FindUnitPath( World world, Mcv unit, int2 destination )
 		{
 			int2 offset = new int2( map.XOffset, map.YOffset );
@@ -61,24 +59,18 @@ namespace OpenRa.Game
 			queue.Add( new PathDistance( Estimate( startLocation, destination ), startLocation ) );
 			minCost[ startLocation.X, startLocation.Y ] = Estimate( startLocation, destination );
 
-			int hax = 0;
 			int seenCount = 0;
 			int impassableCount = 0;
 
 			while( !queue.Empty )
 			{
-				++hax;
 				PathDistance p = queue.Pop();
 				int2 here = p.Location;
 				seen[ here.X, here.Y ] = true;
 
-				if( hax < 128 )
-					world.AddFrameEndTask( delegate { world.Add( new Mcv( here - offset, 2 ) ); } );
-
 				if( p.Location == destination )
 				{
-					Log.Write( "{0}, {1}, {2}", hax, seenCount, impassableCount );
-					first = false;
+					Log.Write( "{0}, {1}", seenCount, impassableCount );
 					return MakePath( path, destination, offset );
 				}
 
@@ -147,22 +139,22 @@ namespace OpenRa.Game
 			int straight = Math.Abs( d.X - d.Y );
 			return 1.5 * diag + straight;
 		}
+	}
 
-		struct PathDistance : IComparable<PathDistance>
+	struct PathDistance : IComparable<PathDistance>
+	{
+		public double EstTotal;
+		public int2 Location;
+
+		public PathDistance(double estTotal, int2 location)
 		{
-			public double EstTotal;
-			public int2 Location;
+			EstTotal = estTotal;
+			Location = location;
+		}
 
-			public PathDistance( double estTotal, int2 location )
-			{
-				EstTotal = estTotal;
-				Location = location;
-			}
-
-			public int CompareTo( PathDistance other )
-			{
-				return Math.Sign( EstTotal - other.EstTotal );
-			}
+		public int CompareTo(PathDistance other)
+		{
+			return Math.Sign(EstTotal - other.EstTotal);
 		}
 	}
 }
diff --git a/OpenRa.Game/Sheet.cs b/OpenRa.Game/Sheet.cs
index 1200b6312e..22fd1c1449 100644
--- a/OpenRa.Game/Sheet.cs
+++ b/OpenRa.Game/Sheet.cs
@@ -15,6 +15,8 @@ namespace OpenRa.Game
 		readonly GraphicsDevice device;
 		Texture texture;
 
+		string filename = string.Format("../../../block-cache-{0}.png", suffix++);
+
 		public Size Size { get { return bitmap.Size; } }
 
 		public Sheet(Size size, GraphicsDevice d)
@@ -36,10 +38,9 @@ namespace OpenRa.Game
 
 		void LoadTexture()
 		{
-			string tempFile = string.Format("../../../block-cache-{0}.png", suffix++);
-			bitmap.Save(tempFile);
+			bitmap.Save(filename);
 
-			using( Stream s = File.OpenRead(tempFile) )
+			using( Stream s = File.OpenRead(filename) )
 				texture = Texture.Create(s, device);
 		}
 
diff --git a/OpenRa.Game/SpriteRenderer.cs b/OpenRa.Game/SpriteRenderer.cs
index 6ca78320bc..916da648ab 100644
--- a/OpenRa.Game/SpriteRenderer.cs
+++ b/OpenRa.Game/SpriteRenderer.cs
@@ -16,7 +16,7 @@ namespace OpenRa.Game
 		const int spritesPerBatch = 1024;
 
 		List<Vertex> vertices = new List<Vertex>();
-		List<ushort> indicies = new List<ushort>();
+		List<ushort> indices = new List<ushort>();
 		Sheet currentSheet = null;
 		int sprites = 0;
 		ShaderQuality quality;
@@ -38,15 +38,15 @@ namespace OpenRa.Game
 				renderer.DrawWithShader(quality, delegate
 				{
 					vertexBuffer.SetData(vertices.ToArray());
-					indexBuffer.SetData(indicies.ToArray());
+					indexBuffer.SetData(indices.ToArray());
 					renderer.DrawBatch(vertexBuffer, indexBuffer,
 						new Range<int>(0, vertices.Count),
-						new Range<int>(0, indicies.Count),
+						new Range<int>(0, indices.Count),
 						currentSheet.Texture);
 				});
 
 				vertices = new List<Vertex>();
-				indicies = new List<ushort>();
+				indices = new List<ushort>();
 				currentSheet = null;
 				sprites = 0;
 			}
@@ -58,7 +58,7 @@ namespace OpenRa.Game
 				Flush();
 
 			currentSheet = s.sheet;
-			Util.CreateQuad(vertices, indicies, location, s, palette);
+			Util.CreateQuad(vertices, indices, location, s, palette);
 
 			if (++sprites >= spritesPerBatch)
 				Flush();