diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c
index 6875a9fe28c24a96342efc84e0df199628f9cb48..6829cd19ea72c78450d976bcf0fdb8222bd995ca 100644
--- a/arch/arm/mach-shmobile/setup-r8a7779.c
+++ b/arch/arm/mach-shmobile/setup-r8a7779.c
@@ -771,7 +771,6 @@ static const char *r8a7779_compat_dt[] __initdata = {
 DT_MACHINE_START(R8A7779_DT, "Generic R8A7779 (Flattened Device Tree)")
 	.map_io		= r8a7779_map_io,
 	.init_early	= shmobile_init_delay,
-	.nr_irqs	= NR_IRQS_LEGACY,
 	.init_irq	= r8a7779_init_irq_dt,
 	.init_machine	= r8a7779_add_standard_devices_dt,
 	.init_late	= shmobile_init_late,