diff --git a/src/tile.h b/src/tile.h
deleted file mode 100644
--- a/src/tile.h
+++ /dev/null
@@ -1,229 +0,0 @@
-/* $Id$ */
-
-/** @file tile.h */
-
-#ifndef TILE_H
-#define TILE_H
-
-#include "macros.h"
-#include "openttd.h"
-#include "map.h"
-#include "slope.h"
-
-/** Maximum allowed tile height */
-#define MAX_TILE_HEIGHT 15
-
-/** Maximum allowed snowline height */
-#define MAX_SNOWLINE_HEIGHT (MAX_TILE_HEIGHT - 2)
-
-/**
- * The different type of a tile.
- *
- * Each tile belongs to one type, according whatever is build on it.
- *
- * @note A railway with a crossing street is marked as MP_ROAD.
- */
-enum TileType {
-	MP_CLEAR,               ///< A tile without any structures, i.e. grass, rocks, farm fields etc.
-	MP_RAILWAY,             ///< A railway
-	MP_ROAD,                ///< A tile with road (or tram tracks)
-	MP_HOUSE,               ///< A house by a town
-	MP_TREES,               ///< Tile got trees
-	MP_STATION,             ///< A tile of a station
-	MP_WATER,               ///< Water tile
-	MP_VOID,                ///< Invisible tiles at the SW and SE border
-	MP_INDUSTRY,            ///< Part of an industry
-	MP_TUNNELBRIDGE,        ///< Tunnel entry/exit and bridge heads
-	MP_UNMOVABLE,           ///< Contains an object with cannot be removed like transmitters
-};
-
-/**
- * Additional infos of a tile on a tropic game.
- *
- * Each non-water tile in a tropic game is either a rainforest tile or a
- * desert one.
- */
-enum TropicZone {
-	TROPICZONE_INVALID    = 0,      ///< Invalid tropiczone-type
-	TROPICZONE_DESERT     = 1,      ///< Tile is desert
-	TROPICZONE_RAINFOREST = 2,      ///< Rainforest tile
-};
-
-Slope GetTileSlope(TileIndex tile, uint *h);
-uint GetTileZ(TileIndex tile);
-uint GetTileMaxZ(TileIndex tile);
-
-/**
- * Returns the height of a tile
- *
- * This function returns the height of the northern corner of a tile.
- * This is saved in the global map-array. It does not take affect by
- * any slope-data of the tile.
- *
- * @param tile The tile to get the height from
- * @return the height of the tile
- * @pre tile < MapSize()
- */
-static inline uint TileHeight(TileIndex tile)
-{
-	assert(tile < MapSize());
-	return GB(_m[tile].type_height, 0, 4);
-}
-
-/**
- * Sets the height of a tile.
- *
- * This function sets the height of the northern corner of a tile.
- *
- * @param tile The tile to change the height
- * @param height The new height value of the tile
- * @pre tile < MapSize()
- * @pre heigth <= MAX_TILE_HEIGHT
- */
-static inline void SetTileHeight(TileIndex tile, uint height)
-{
-	assert(tile < MapSize());
-	assert(height <= MAX_TILE_HEIGHT);
-	SB(_m[tile].type_height, 0, 4, height);
-}
-
-/**
- * Returns the height of a tile in pixels.
- *
- * This function returns the height of the northern corner of a tile in pixels.
- *
- * @param tile The tile to get the height
- * @return The height of the tile in pixel
- */
-static inline uint TilePixelHeight(TileIndex tile)
-{
-	return TileHeight(tile) * TILE_HEIGHT;
-}
-
-/**
- * Get the tiletype of a given tile.
- *
- * @param tile The tile to get the TileType
- * @return The tiletype of the tile
- * @pre tile < MapSize()
- */
-static inline TileType GetTileType(TileIndex tile)
-{
-	assert(tile < MapSize());
-	return (TileType)GB(_m[tile].type_height, 4, 4);
-}
-
-/**
- * Set the type of a tile
- *
- * This functions sets the type of a tile. If the type
- * MP_VOID is selected the tile must be at the south-west or
- * south-east edges of the map and vice versa.
- *
- * @param tile The tile to save the new type
- * @param type The type to save
- * @pre tile < MapSize()
- * @pre type MP_VOID <=> tile is on the south-east or south-west edge.
- */
-static inline void SetTileType(TileIndex tile, TileType type)
-{
-	assert(tile < MapSize());
-	/* VOID tiles (and no others) are exactly allowed at the lower left and right
-	 * edges of the map */
-	assert((TileX(tile) == MapMaxX() || TileY(tile) == MapMaxY()) == (type == MP_VOID));
-	SB(_m[tile].type_height, 4, 4, type);
-}
-
-/**
- * Checks if a tile is a give tiletype.
- *
- * This function checks if a tile got the given tiletype.
- *
- * @param tile The tile to check
- * @param type The type to check agains
- * @return true If the type matches agains the type of the tile
- */
-static inline bool IsTileType(TileIndex tile, TileType type)
-{
-	return GetTileType(tile) == type;
-}
-
-/**
- * Returns the owner of a tile
- *
- * This function returns the owner of a tile. This cannot used
- * for tiles which type is one of MP_HOUSE, MP_VOID and MP_INDUSTRY
- * as no player owned any of these buildings.
- *
- * @param tile The tile to check
- * @return The owner of the tile
- * @pre tile < MapSize()
- * @pre The type of the tile must not be MP_HOUSE, MP_VOID and MP_INDUSTRY
- */
-static inline Owner GetTileOwner(TileIndex tile)
-{
-	assert(tile < MapSize());
-	assert(!IsTileType(tile, MP_HOUSE));
-	assert(!IsTileType(tile, MP_VOID));
-	assert(!IsTileType(tile, MP_INDUSTRY));
-
-	return (Owner)_m[tile].m1;
-}
-
-/**
- * Sets the owner of a tile
- *
- * This function sets the owner status of a tile. Note that you cannot
- * set a owner for tiles of type MP_HOUSE, MP_VOID and MP_INDUSTRY.
- *
- * @param tile The tile to change the owner status.
- * @param owner The new owner.
- * @pre tile < MapSize()
- * @pre The type of the tile must not be MP_HOUSE, MP_VOID and MP_INDUSTRY
- */
-static inline void SetTileOwner(TileIndex tile, Owner owner)
-{
-	assert(tile < MapSize());
-	assert(!IsTileType(tile, MP_HOUSE));
-	assert(!IsTileType(tile, MP_VOID));
-	assert(!IsTileType(tile, MP_INDUSTRY));
-
-	_m[tile].m1 = owner;
-}
-
-/**
- * Checks if a tile belongs to the given owner
- *
- * @param tile The tile to check
- * @param owner The owner to check agains
- * @return True if a tile belongs the the given owner
- */
-static inline bool IsTileOwner(TileIndex tile, Owner owner)
-{
-	return GetTileOwner(tile) == owner;
-}
-
-/**
- * Set the tropic zone
- * @param tile the tile to set the zone of
- * @param type the new type
- * @pre assert(tile < MapSize());
- */
-static inline void SetTropicZone(TileIndex tile, TropicZone type)
-{
-	assert(tile < MapSize());
-	SB(_m[tile].m6, 0, 2, type);
-}
-
-/**
- * Get the tropic zone
- * @param tile the tile to get the zone of
- * @pre assert(tile < MapSize());
- * @return the zone type
- */
-static inline TropicZone GetTropicZone(TileIndex tile)
-{
-	assert(tile < MapSize());
-	return (TropicZone)GB(_m[tile].m6, 0, 2);
-}
-#endif /* TILE_H */