diff --git a/vendor/github.com/lxc/lxd/lxd/include/syscall_wrappers.h b/vendor/github.com/lxc/lxd/lxd/include/syscall_wrappers.h
index 2c28133a8..a6975ab4d 100644
--- a/vendor/github.com/lxc/lxd/lxd/include/syscall_wrappers.h
+++ b/vendor/github.com/lxc/lxd/lxd/include/syscall_wrappers.h
@@ -26,10 +26,10 @@ static inline int lxd_close_range(unsigned int fd, unsigned int max_fd, unsigned
 	return syscall(__NR_close_range, fd, max_fd, flags);
 }
 
-static inline int open_tree(int dfd, const char *filename, unsigned int flags)
+/* static inline int open_tree(int dfd, const char *filename, unsigned int flags)
 {
 	return syscall(__NR_open_tree, dfd, filename, flags);
-}
+}*/
 
 /*
  * mount_setattr()
@@ -40,7 +40,7 @@ struct lxc_mount_attr {
 	__u64 propagation;
 	__u64 userns_fd;
 };
-
+/*
 static inline int mount_setattr(int dfd, const char *path, unsigned int flags,
 				struct lxc_mount_attr *attr, size_t size)
 {
@@ -53,6 +53,7 @@ static inline int move_mount(int from_dfd, const char *from_pathname, int to_dfd
 	return syscall(__NR_move_mount, from_dfd, from_pathname, to_dfd,
 		       to_pathname, flags);
 }
+*/
 
 /* arg1 of prctl() */
 #ifndef PR_SCHED_CORE