diff --git a/functions.h b/functions.h
index f5ba1b6ba9..2f325d9110 100644
--- a/functions.h
+++ b/functions.h
@@ -5,7 +5,6 @@
 
 /* landscape.c */
 void FindLandscapeHeight(TileInfo *ti, uint x, uint y);
-void FindLandscapeHeightByTile(TileInfo *ti, TileIndex tile);
 
 void DoClearSquare(TileIndex tile);
 void CDECL ModifyTile(TileIndex tile, uint flags, ...);
diff --git a/landscape.c b/landscape.c
index a63c4b8661..85aa36665f 100644
--- a/landscape.c
+++ b/landscape.c
@@ -55,16 +55,6 @@ const byte _inclined_tileh[] = {
 };
 
 
-void FindLandscapeHeightByTile(TileInfo *ti, TileIndex tile)
-{
-	assert(tile < MapSize());
-
-	ti->tile = tile;
-	ti->map5 = _m[tile].m5;
-	ti->type = GetTileType(tile);
-	ti->tileh = GetTileSlope(tile, &ti->z);
-}
-
 /* find the landscape height for the coordinates x y */
 void FindLandscapeHeight(TileInfo *ti, uint x, uint y)
 {
@@ -77,10 +67,14 @@ void FindLandscapeHeight(TileInfo *ti, uint x, uint y)
 		ti->tile = 0;
 		ti->map5 = 0;
 		ti->z = 0;
-		return;
-	}
+	} else {
+		TileIndex tile = TileVirtXY(x, y);
 
-	FindLandscapeHeightByTile(ti, TileVirtXY(x, y));
+		ti->tile = tile;
+		ti->type = GetTileType(tile);
+		ti->map5 = _m[tile].m5;
+		ti->tileh = GetTileSlope(tile, &ti->z);
+	}
 }
 
 uint GetPartialZ(int x, int y, int corners)