diff --git a/src/vehicle.cpp b/src/vehicle.cpp
index f3a396cdb1..10d005c71e 100644
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -184,8 +184,6 @@ bool HasVehicleOnTunnelBridge(TileIndex tile, TileIndex endtile, const Vehicle *
 }
 
 
-static void UpdateVehiclePosHash(Vehicle *v, int x, int y);
-
 Vehicle::Vehicle()
 {
 	this->type               = VEH_INVALID;