diff --git a/drivers/staging/lustre/lustre/osc/osc_dev.c b/drivers/staging/lustre/lustre/osc/osc_dev.c
index 83d30c135ba4..38b9ac60e97e 100644
--- a/drivers/staging/lustre/lustre/osc/osc_dev.c
+++ b/drivers/staging/lustre/lustre/osc/osc_dev.c
@@ -94,8 +94,6 @@ struct lu_kmem_descr osc_caches[] = {
 	}
 };
 
-struct lock_class_key osc_ast_guard_class;
-
 /*****************************************************************************
  *
  * Type conversions.
diff --git a/drivers/staging/lustre/lustre/osc/osc_request.c b/drivers/staging/lustre/lustre/osc/osc_request.c
index 8023561056b7..057d862ed962 100644
--- a/drivers/staging/lustre/lustre/osc/osc_request.c
+++ b/drivers/staging/lustre/lustre/osc/osc_request.c
@@ -2845,7 +2845,6 @@ static struct obd_ops osc_obd_ops = {
 };
 
 extern struct lu_kmem_descr osc_caches[];
-extern struct lock_class_key osc_ast_guard_class;
 
 static int __init osc_init(void)
 {