diff --git a/src/ride/ride.h b/src/ride/ride.h
index 16b842b53f..a6b6f8945a 100644
--- a/src/ride/ride.h
+++ b/src/ride/ride.h
@@ -33,7 +33,6 @@ typedef fixed16_2dp ride_rating;
 // integer. To create the ride rating 3.65 type RIDE_RATING(3,65)
 #define RIDE_RATING(whole, fraction)	FIXED_2DP(whole, fraction)
 
-#define RIDE_MAX_CARS_PER_TRAIN 64
 
 // Used for return values, for functions that modify all three.
 typedef struct {