diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h
index 343ea7c987aa..ff95d15a2384 100644
--- a/arch/s390/include/asm/irq.h
+++ b/arch/s390/include/asm/irq.h
@@ -57,7 +57,6 @@ enum interruption_class {
 	IRQIO_TAP,
 	IRQIO_VMR,
 	IRQIO_LCS,
-	IRQIO_CLW,
 	IRQIO_CTC,
 	IRQIO_APB,
 	IRQIO_ADM,