diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c
index f8bc7f8f86ad..36593cb20e57 100644
--- a/arch/arm/mach-shmobile/board-kzm9g.c
+++ b/arch/arm/mach-shmobile/board-kzm9g.c
@@ -910,7 +910,6 @@ DT_MACHINE_START(KZM9G_DT, "kzm9g")
 	.smp		= smp_ops(sh73a0_smp_ops),
 	.map_io		= sh73a0_map_io,
 	.init_early	= sh73a0_add_early_devices,
-	.nr_irqs	= NR_IRQS_LEGACY,
 	.init_irq	= sh73a0_init_irq,
 	.init_machine	= kzm_init,
 	.init_late	= shmobile_init_late,