diff --git a/TrueCraft.Core/MathHelper.cs b/TrueCraft.Core/MathHelper.cs
index 4591901..b301b67 100644
--- a/TrueCraft.Core/MathHelper.cs
+++ b/TrueCraft.Core/MathHelper.cs
@@ -184,16 +184,6 @@ namespace TrueCraft.Core
             return (int)Math.Floor((double)BlockCoord / Chunk.Depth);
         }
 
-        public static int BlockToChunkBlockX(int BlockX)
-        {
-            return BlockX % Chunk.Width;
-        }
-
-        public static int BlockToChunkBlockZ(int BlockZ)
-        {
-            return BlockZ % Chunk.Depth;
-        }
-
         /// <summary>
         /// Returns a value indicating the most extreme value of the
         /// provided Vector.
diff --git a/TrueCraft.Core/World/World.cs b/TrueCraft.Core/World/World.cs
index 4d47642..111a81b 100644
--- a/TrueCraft.Core/World/World.cs
+++ b/TrueCraft.Core/World/World.cs
@@ -304,9 +304,9 @@ namespace TrueCraft.Core.World
 
             chunk = GetChunk(new Coordinates2D(chunkX, chunkZ));
             return new Coordinates3D(
-                MathHelper.BlockToChunkBlockX(coordinates.X),
+                (coordinates.X - chunkX * Chunk.Width) % Chunk.Width,
                 coordinates.Y,
-                MathHelper.BlockToChunkBlockZ(coordinates.Z));
+                (coordinates.Z - chunkZ * Chunk.Depth) % Chunk.Depth);
         }
 
         public bool IsValidPosition(Coordinates3D position)