diff --git a/src/train.h b/src/train.h
--- a/src/train.h
+++ b/src/train.h
@@ -30,9 +30,6 @@ enum VehicleRailFlags {
 	/* used to reverse the visible direction of the vehicle */
 	VRF_REVERSE_DIRECTION = 4,
 
-	/* used to mark train as lost because PF can't find the route */
-	VRF_NO_PATH_TO_DESTINATION = 5,
-
 	/* used to mark that electric train engine is allowed to run on normal rail */
 	VRF_EL_ENGINE_ALLOWED_NORMAL_RAIL = 6,