diff --git a/include/fcntl.h b/include/fcntl.h
index f73cd96a..b797cd1a 100644
--- a/include/fcntl.h
+++ b/include/fcntl.h
@@ -112,7 +112,6 @@ int posix_fallocate(int, off_t, off_t);
 #define F_GETLEASE	1025
 #define F_NOTIFY	1026
 #define F_CANCELLK	1029
-#define F_DUPFD_CLOEXEC	1030
 #define F_SETPIPE_SZ	1031
 #define F_GETPIPE_SZ	1032