diff --git a/src/order_base.h b/src/order_base.h
--- a/src/order_base.h
+++ b/src/order_base.h
@@ -392,6 +392,4 @@ public:
 	void DebugCheckSanity() const;
 };
 
-#define FOR_VEHICLE_ORDERS(v, order) for (order = (v->orders.list == nullptr) ? nullptr : v->orders.list->GetFirstOrder(); order != nullptr; order = order->next)
-
 #endif /* ORDER_BASE_H */