diff --git a/arch/um/drivers/vector_user.h b/arch/um/drivers/vector_user.h
index 3a73d17a0161..59ed5f9e6e41 100644
--- a/arch/um/drivers/vector_user.h
+++ b/arch/um/drivers/vector_user.h
@@ -68,8 +68,6 @@ struct vector_fds {
 };
 
 #define VECTOR_READ	1
-#define VECTOR_WRITE	(1 < 1)
-#define VECTOR_HEADERS	(1 < 2)
 
 extern struct arglist *uml_parse_vector_ifspec(char *arg);