diff --git a/src/terraform_gui.c b/src/terraform_gui.c
deleted file mode 100644
--- a/src/terraform_gui.c
+++ /dev/null
@@ -1,285 +0,0 @@
-/* $Id$ */
-
-#include "stdafx.h"
-#include "openttd.h"
-#include "bridge_map.h"
-#include "clear_map.h"
-#include "table/sprites.h"
-#include "table/strings.h"
-#include "functions.h"
-#include "player.h"
-#include "tile.h"
-#include "window.h"
-#include "gui.h"
-#include "viewport.h"
-#include "gfx.h"
-#include "sound.h"
-#include "command.h"
-#include "vehicle.h"
-#include "signs.h"
-#include "variables.h"
-
-void CcTerraform(bool success, TileIndex tile, uint32 p1, uint32 p2)
-{
-	if (success) {
-		SndPlayTileFx(SND_1F_SPLAT, tile);
-	} else {
-		SetRedErrorSquare(_terraform_err_tile);
-	}
-}
-
-
-/** Scenario editor command that generates desert areas */
-static void GenerateDesertArea(TileIndex end, TileIndex start)
-{
-	int size_x, size_y;
-	int sx = TileX(start);
-	int sy = TileY(start);
-	int ex = TileX(end);
-	int ey = TileY(end);
-
-	if (_game_mode != GM_EDITOR) return;
-
-	if (ex < sx) intswap(ex, sx);
-	if (ey < sy) intswap(ey, sy);
-	size_x = (ex - sx) + 1;
-	size_y = (ey - sy) + 1;
-
-	_generating_world = true;
-	BEGIN_TILE_LOOP(tile, size_x, size_y, TileXY(sx, sy)) {
-		if (GetTileType(tile) != MP_WATER) {
-			SetTropicZone(tile, (_ctrl_pressed) ? TROPICZONE_INVALID : TROPICZONE_DESERT);
-			DoCommandP(tile, 0, 0, NULL, CMD_LANDSCAPE_CLEAR);
-			MarkTileDirtyByTile(tile);
-		}
-	} END_TILE_LOOP(tile, size_x, size_y, 0);
-	_generating_world = false;
-}
-
-/** Scenario editor command that generates rocky areas */
-static void GenerateRockyArea(TileIndex end, TileIndex start)
-{
-	int size_x, size_y;
-	bool success = false;
-	int sx = TileX(start);
-	int sy = TileY(start);
-	int ex = TileX(end);
-	int ey = TileY(end);
-
-	if (_game_mode != GM_EDITOR) return;
-
-	if (ex < sx) intswap(ex, sx);
-	if (ey < sy) intswap(ey, sy);
-	size_x = (ex - sx) + 1;
-	size_y = (ey - sy) + 1;
-
-	BEGIN_TILE_LOOP(tile, size_x, size_y, TileXY(sx, sy)) {
-		switch (GetTileType(tile)) {
-			case MP_CLEAR:
-			case MP_TREES:
-				MakeClear(tile, CLEAR_ROCKS, 3);
-				break;
-
-			default: continue;
-		}
-		MarkTileDirtyByTile(tile);
-		success = true;
-	} END_TILE_LOOP(tile, size_x, size_y, 0);
-
-	if (success) SndPlayTileFx(SND_1F_SPLAT, end);
-}
-
-/**
- * A central place to handle all X_AND_Y dragged GUI functions.
- * @param e @WindowEvent variable holding in its higher bits (excluding the lower
- * 4, since that defined the X_Y drag) the type of action to be performed
- * @return Returns true if the action was found and handled, and false otherwise. This
- * allows for additional implements that are more local. For example X_Y drag
- * of convertrail which belongs in rail_gui.c and not terraform_gui.c
- **/
-bool GUIPlaceProcDragXY(const WindowEvent *e)
-{
-	TileIndex start_tile = e->we.place.starttile;
-	TileIndex end_tile = e->we.place.tile;
-
-	switch (e->we.place.userdata >> 4) {
-	case GUI_PlaceProc_DemolishArea >> 4:
-		DoCommandP(end_tile, start_tile, 0, CcPlaySound10, CMD_CLEAR_AREA | CMD_MSG(STR_00B5_CAN_T_CLEAR_THIS_AREA));
-		break;
-	case GUI_PlaceProc_LevelArea >> 4:
-		DoCommandP(end_tile, start_tile, 0, CcPlaySound10, CMD_LEVEL_LAND | CMD_AUTO);
-		break;
-	case GUI_PlaceProc_RockyArea >> 4:
-		GenerateRockyArea(end_tile, start_tile);
-		break;
-	case GUI_PlaceProc_DesertArea >> 4:
-		GenerateDesertArea(end_tile, start_tile);
-		break;
-	case GUI_PlaceProc_WaterArea >> 4:
-		DoCommandP(end_tile, start_tile, _ctrl_pressed, CcBuildCanal, CMD_BUILD_CANAL | CMD_AUTO | CMD_MSG(STR_CANT_BUILD_CANALS));
-		break;
-	default: return false;
-	}
-
-	return true;
-}
-
-typedef void OnButtonClick(Window *w);
-
-static const uint16 _terraform_keycodes[] = {
-	'Q',
-	'W',
-	'E',
-	'D',
-	'U',
-	'I',
-	'O',
-};
-
-void PlaceProc_DemolishArea(TileIndex tile)
-{
-	VpStartPlaceSizing(tile, VPM_X_AND_Y | GUI_PlaceProc_DemolishArea);
-}
-
-static void PlaceProc_RaiseLand(TileIndex tile)
-{
-	DoCommandP(
-		tile, SLOPE_N, 1, CcTerraform,
-		CMD_TERRAFORM_LAND | CMD_AUTO | CMD_MSG(STR_0808_CAN_T_RAISE_LAND_HERE)
-	);
-}
-
-static void PlaceProc_LowerLand(TileIndex tile)
-{
-	DoCommandP(
-		tile, SLOPE_N, 0, CcTerraform,
-		CMD_TERRAFORM_LAND | CMD_AUTO | CMD_MSG(STR_0809_CAN_T_LOWER_LAND_HERE)
-	);
-}
-
-void PlaceProc_LevelLand(TileIndex tile)
-{
-	VpStartPlaceSizing(tile, VPM_X_AND_Y | GUI_PlaceProc_LevelArea);
-}
-
-static void TerraformClick_Lower(Window *w)
-{
-	HandlePlacePushButton(w, 4, ANIMCURSOR_LOWERLAND, 2, PlaceProc_LowerLand);
-}
-
-static void TerraformClick_Raise(Window *w)
-{
-	HandlePlacePushButton(w, 5, ANIMCURSOR_RAISELAND, 2, PlaceProc_RaiseLand);
-}
-
-static void TerraformClick_Level(Window *w)
-{
-	HandlePlacePushButton(w, 6, SPR_CURSOR_LEVEL_LAND, 2, PlaceProc_LevelLand);
-}
-
-static void TerraformClick_Dynamite(Window *w)
-{
-	HandlePlacePushButton(w, 7, ANIMCURSOR_DEMOLISH , 1, PlaceProc_DemolishArea);
-}
-
-static void TerraformClick_BuyLand(Window *w)
-{
-	HandlePlacePushButton(w, 8, SPR_CURSOR_BUY_LAND, 1, PlaceProc_BuyLand);
-}
-
-static void TerraformClick_Trees(Window *w)
-{
-	/* This button is NOT a place-push-button, so don't treat it as such */
-	ShowBuildTreesToolbar();
-}
-
-static void TerraformClick_PlaceSign(Window *w)
-{
-	HandlePlacePushButton(w, 10, SPR_CURSOR_SIGN, 1, PlaceProc_Sign);
-}
-
-static OnButtonClick * const _terraform_button_proc[] = {
-	TerraformClick_Lower,
-	TerraformClick_Raise,
-	TerraformClick_Level,
-	TerraformClick_Dynamite,
-	TerraformClick_BuyLand,
-	TerraformClick_Trees,
-	TerraformClick_PlaceSign,
-};
-
-static void TerraformToolbWndProc(Window *w, WindowEvent *e)
-{
-	switch (e->event) {
-	case WE_PAINT:
-		DrawWindowWidgets(w);
-		break;
-
-	case WE_CLICK:
-		if (e->we.click.widget >= 4) _terraform_button_proc[e->we.click.widget - 4](w);
-		break;
-
-	case WE_KEYPRESS: {
-		uint i;
-
-		for (i = 0; i != lengthof(_terraform_keycodes); i++) {
-			if (e->we.keypress.keycode == _terraform_keycodes[i]) {
-				e->we.keypress.cont = false;
-				_terraform_button_proc[i](w);
-				break;
-			}
-		}
-		break;
-	}
-
-	case WE_PLACE_OBJ:
-		_place_proc(e->we.place.tile);
-		return;
-
-	case WE_PLACE_DRAG:
-		VpSelectTilesWithMethod(e->we.place.pt.x, e->we.place.pt.y, e->we.place.userdata & 0xF);
-		break;
-
-	case WE_PLACE_MOUSEUP:
-		if (e->we.place.pt.x != -1 &&
-				(e->we.place.userdata & 0xF) == VPM_X_AND_Y) { // dragged actions
-			GUIPlaceProcDragXY(e);
-		}
-		break;
-
-	case WE_ABORT_PLACE_OBJ:
-		RaiseWindowButtons(w);
-		break;
-	}
-}
-
-static const Widget _terraform_widgets[] = {
-{ WWT_CLOSEBOX,   RESIZE_NONE,     7,   0,  10,   0,  13, STR_00C5,                STR_018B_CLOSE_WINDOW},
-{  WWT_CAPTION,   RESIZE_NONE,     7,  11, 145,   0,  13, STR_LANDSCAPING_TOOLBAR, STR_018C_WINDOW_TITLE_DRAG_THIS},
-{WWT_STICKYBOX,   RESIZE_NONE,     7, 146, 157,   0,  13, STR_NULL,                STR_STICKY_BUTTON},
-
-{    WWT_PANEL,   RESIZE_NONE,     7,  66,  69,  14,  35, 0x0,                    STR_NULL},
-{   WWT_IMGBTN,   RESIZE_NONE,     7,   0,  21,  14,  35, SPR_IMG_TERRAFORM_DOWN,  STR_018E_LOWER_A_CORNER_OF_LAND},
-{   WWT_IMGBTN,   RESIZE_NONE,     7,  22,  43,  14,  35, SPR_IMG_TERRAFORM_UP,    STR_018F_RAISE_A_CORNER_OF_LAND},
-{   WWT_IMGBTN,   RESIZE_NONE,     7,  44,  65,  14,  35, SPR_IMG_LEVEL_LAND,      STR_LEVEL_LAND_TOOLTIP},
-{   WWT_IMGBTN,   RESIZE_NONE,     7,  70,  91,  14,  35, SPR_IMG_DYNAMITE,        STR_018D_DEMOLISH_BUILDINGS_ETC},
-{   WWT_IMGBTN,   RESIZE_NONE,     7,  92, 113,  14,  35, SPR_IMG_BUY_LAND,        STR_0329_PURCHASE_LAND_FOR_FUTURE},
-{   WWT_IMGBTN,   RESIZE_NONE,     7, 114, 135,  14,  35, SPR_IMG_PLANTTREES,      STR_0185_PLANT_TREES_PLACE_SIGNS},
-{   WWT_IMGBTN,   RESIZE_NONE,     7, 136, 157,  14,  35, SPR_IMG_PLACE_SIGN,      STR_0289_PLACE_SIGN},
-
-{   WIDGETS_END},
-};
-
-static const WindowDesc _terraform_desc = {
-	WDP_ALIGN_TBR, 22+36, 158, 36,
-	WC_SCEN_LAND_GEN, 0,
-	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_STICKY_BUTTON,
-	_terraform_widgets,
-	TerraformToolbWndProc
-};
-
-void ShowTerraformToolbar(void)
-{
-	if (!IsValidPlayer(_current_player)) return;
-	AllocateWindowDescFront(&_terraform_desc, 0);
-}