diff --git a/src/ride/ride.c b/src/ride/ride.c
index de4b95199f..ffe6bee729 100644
--- a/src/ride/ride.c
+++ b/src/ride/ride.c
@@ -4590,9 +4590,6 @@ void ride_create_vehicles_find_first_block(rct_ride *ride, rct_xy_element *outXY
  */
 bool ride_create_vehicles(rct_ride *ride, int rideIndex, rct_xy_element *element, int isApplying)
 {
-	// bool b = !(RCT2_CALLPROC_X(0x006DD84C, element->x, isApplying, element->y, rideIndex, (int)ride, (int)element->element, 0) & 0x100);
-	// return b;
-
 	ride_update_max_vehicles(rideIndex);
 	if (ride->subtype == 0xFF) {
 		return true;
diff --git a/src/ride/track.c b/src/ride/track.c
index c2d09ed5a5..2e706bdf12 100644
--- a/src/ride/track.c
+++ b/src/ride/track.c
@@ -1989,19 +1989,6 @@ int sub_6D01B3(uint8 bl, uint8 rideIndex, int x, int y, int z)
 	if (bl == 3)
 		return RCT2_GLOBAL(0x00F440D5, sint16);
 	return RCT2_GLOBAL(0x00F440D5, money32);
-
-	int eax, ebx, ecx, edx, esi, edi, ebp;
-	eax = x;
-	ebx = bl;
-	ecx = y;
-	edx = z;
-	esi = 0;
-	edi = 0;
-	ebp = 0;
-	RCT2_CALLFUNC_X(0x006D01B3, &eax, &ebx, &ecx, &edx, &esi, &edi, &ebp);
-	if (bl == 3)
-		ebx &= 0xFFFF;
-	return ebx;
 }
 
 /**
diff --git a/src/ride/vehicle.c b/src/ride/vehicle.c
index 4bdda88c50..0c00e6175c 100644
--- a/src/ride/vehicle.c
+++ b/src/ride/vehicle.c
@@ -3196,7 +3196,6 @@ static void loc_6DA9F9(rct_vehicle *vehicle, int x, int y, int bx, int dx)
  */
 static void vehicle_update_motion_boat_hire(rct_vehicle *vehicle)
 {
-	// RCT2_CALLPROC_X(0x006DA717, 0, 0, 0, 0, (int)vehicle, 0, 0);
 	RCT2_GLOBAL(0x00F64E18, uint32) = 0;
 	vehicle->velocity += vehicle->acceleration;
 	RCT2_GLOBAL(0x00F64E08, sint32) = vehicle->velocity;
@@ -4945,15 +4944,6 @@ void vehicle_get_g_forces(rct_vehicle *vehicle, int *verticalG, int *lateralG)
 	gForceVert >>= 16;
 	gForceLateral >>= 16;
 
-	// Call original version so we can test if our result is the same as the original
-	int eax, ebx, ecx, edx, esi, edi, ebp;
-	esi = (int)vehicle;
-	RCT2_CALLFUNC_X(0x006D73D0, &eax, &ebx, &ecx, &edx, &esi, &edi, &ebp);
-	if (gForceVert != (sint16)(eax & 0xFFFF))
-		assert(gForceVert == (sint16)(eax & 0xFFFF));
-	if (gForceLateral != (sint16)(edx & 0xFFFF))
-		assert(gForceLateral == (sint16)(edx & 0xFFFF));
-
 	if (verticalG != NULL) *verticalG = (sint16)(gForceVert & 0xFFFF);
 	if (lateralG != NULL) *lateralG = (sint16)(gForceLateral & 0xFFFF);
 }