diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
index 6cf545c..75767aa 100644
--- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c
+++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
@@ -384,8 +384,7 @@ nfs4_ff_layout_prepare_ds(struct pnfs_layout_segment *lseg, u32 ds_idx,
 	nfs4_pnfs_ds_connect(s, ds, devid, dataserver_timeo,
 			     dataserver_retrans,
 			     mirror->mirror_ds->ds_versions[0].version,
-			     mirror->mirror_ds->ds_versions[0].minor_version,
-			     RPC_AUTH_UNIX);
+			     mirror->mirror_ds->ds_versions[0].minor_version);
 
 	/* connect success, check rsize/wsize limit */
 	if (ds->ds_clp) {