diff --git a/arch/s390/oprofile/hwsampler.c b/arch/s390/oprofile/hwsampler.c
index b5b2916..231ceca 100644
--- a/arch/s390/oprofile/hwsampler.c
+++ b/arch/s390/oprofile/hwsampler.c
@@ -1001,7 +1001,7 @@
 	if (hws_state != HWS_STOPPED)
 		goto deallocate_exit;
 
-	measurement_alert_subclass_unregister();
+	irq_subclass_unregister(IRQ_SUBCLASS_MEASUREMENT_ALERT);
 	deallocate_sdbt();
 
 	hws_state = HWS_DEALLOCATED;
@@ -1115,7 +1115,7 @@
 		mutex_lock(&hws_sem);
 
 		if (hws_state == HWS_STOPPED) {
-			measurement_alert_subclass_unregister();
+			irq_subclass_unregister(IRQ_SUBCLASS_MEASUREMENT_ALERT);
 			deallocate_sdbt();
 		}
 		if (hws_wq) {
@@ -1190,7 +1190,7 @@
 	hws_oom = 1;
 	hws_flush_all = 0;
 	/* now let them in, 1407 CPUMF external interrupts */
-	measurement_alert_subclass_register();
+	irq_subclass_register(IRQ_SUBCLASS_MEASUREMENT_ALERT);
 
 	return 0;
 }