diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 8faffed61092..e2aa944eb566 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -818,7 +818,6 @@ static int __init setup_css(int nr)
 	css->device.release = channel_subsystem_release;
 
 	mutex_init(&css->mutex);
-	css->valid = 1;
 	css->cssid = chsc_get_cssid(nr);
 	css_generate_pgid(css, (u32) (get_tod_clock() >> 32));
 
diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index 3056f96f9d82..c9f3fb39ebeb 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -114,7 +114,6 @@ void css_update_ssd_info(struct subchannel *sch);
 
 struct channel_subsystem {
 	int cssid;
-	int valid;
 	struct channel_path *chps[__MAX_CHPID + 1];
 	struct device device;
 	struct pgid global_pgid;