diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h
index 22baeefec11a..4f6ca8d9ac11 100644
--- a/include/uapi/linux/fuse.h
+++ b/include/uapi/linux/fuse.h
@@ -360,7 +360,6 @@ struct fuse_file_lock {
 #define FUSE_MAP_ALIGNMENT	(1 << 26)
 #define FUSE_SUBMOUNTS		(1 << 27)
 #define FUSE_HANDLE_KILLPRIV_V2	(1 << 28)
-#define FUSE_PASSTHROUGH	(1 << 31)
 
 /**
  * CUSE INIT request/reply flags