1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index ed7977531c3f..5d65e83ca66e 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -139,7 +139,6 @@ struct css_driver {
  */
 extern struct bus_type css_bus_type;
 
-extern int css_sch_device_register(struct subchannel *);
 extern void css_sch_device_unregister(struct subchannel *);
 extern struct subchannel * get_subchannel_by_schid(struct subchannel_id);
 extern int css_init_done;