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-rw-r--r--src/airport.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/airport.h b/src/airport.h
index 8c40d12ab..71c93ce4c 100644
--- a/src/airport.h
+++ b/src/airport.h
@@ -181,8 +181,8 @@ typedef struct AirportFTA {
byte heading; // heading (current orders), guiding an airplane to its target on an airport
} AirportFTA;
-void InitializeAirports(void);
-void UnInitializeAirports(void);
+void InitializeAirports();
+void UnInitializeAirports();
const AirportFTAClass *GetAirport(const byte airport_type);
/** Get buildable airport bitmask.
@@ -190,6 +190,6 @@ const AirportFTAClass *GetAirport(const byte airport_type);
* Bit 0 means the small airport is buildable, etc.
* @todo set availability of airports by year, instead of airplane
*/
-uint32 GetValidAirports(void);
+uint32 GetValidAirports();
#endif /* AIRPORT_H */