--- a/src/airport.h	Sun Jul 20 15:39:20 2008 +0000
+++ b/src/airport.h	Sun Jul 20 15:50:41 2008 +0000
@@ -197,8 +197,4 @@
  */
 uint32 GetValidAirports();
 
-
-/* Calculate the noise this type airport will generate */
-uint8 GetAirportNoiseLevelForTown(const AirportFTAClass *afc, TileIndex town_tile, TileIndex tile);
-
 #endif /* AIRPORT_H */