diff --git a/drivers/staging/lustre/lustre/lmv/lmv_internal.h b/drivers/staging/lustre/lustre/lmv/lmv_internal.h
index b808728daee7..c8f40d960318 100644
--- a/drivers/staging/lustre/lustre/lmv/lmv_internal.h
+++ b/drivers/staging/lustre/lustre/lmv/lmv_internal.h
@@ -68,8 +68,6 @@ int lmv_intent_open(struct obd_export *exp, struct md_op_data *op_data,
 		    ldlm_blocking_callback cb_blocking,
 		    __u64 extra_lock_flags);
 
-int lmv_blocking_ast(struct ldlm_lock *, struct ldlm_lock_desc *,
-		     void *, int);
 int lmv_fld_lookup(struct lmv_obd *lmv, const struct lu_fid *fid, u32 *mds);
 int __lmv_fid_alloc(struct lmv_obd *lmv, struct lu_fid *fid, u32 mds);
 int lmv_fid_alloc(struct obd_export *exp, struct lu_fid *fid,