diff --git a/fs/adfs/dir_f.h b/fs/adfs/dir_f.h
index a5393e6cf9f4..4e6c53d59ebd 100644
--- a/fs/adfs/dir_f.h
+++ b/fs/adfs/dir_f.h
@@ -58,9 +58,4 @@ struct adfs_newdirtail {
 	__u8 dircheckbyte;
 } __attribute__((packed));
 
-union adfs_dirtail {
-	struct adfs_olddirtail old;
-	struct adfs_newdirtail new;
-};
-
 #endif