diff --git a/drivers/mfd/da9063-irq.c b/drivers/mfd/da9063-irq.c
index 044bd867f540948c4cfd4506e5939a310e0ff161..579947f834862e689c4ba5e342f21e5427f1963f 100644
--- a/drivers/mfd/da9063-irq.c
+++ b/drivers/mfd/da9063-irq.c
@@ -94,7 +94,7 @@ static const struct regmap_irq da9063_irqs[] = {
 static const struct regmap_irq_chip da9063_irq_chip = {
 	.name = "da9063-irq",
 	.irqs = da9063_irqs,
-	.num_irqs = DA9063_NUM_IRQ,
+	.num_irqs = ARRAY_SIZE(da9063_irqs),
 	.num_regs = 4,
 	.status_base = DA9063_REG_EVENT_A,
 	.mask_base = DA9063_REG_IRQ_MASK_A,
diff --git a/include/linux/mfd/da9063/core.h b/include/linux/mfd/da9063/core.h
index 8e6684d884e0b9386300c9e8d4dcf0b70c5ccae6..260cd5834861b0db54e1d8f85893ea334b7c518f 100644
--- a/include/linux/mfd/da9063/core.h
+++ b/include/linux/mfd/da9063/core.h
@@ -72,9 +72,6 @@ enum da9063_irqs {
 	DA9063_IRQ_GPI15,
 };
 
-#define DA9063_IRQ_BASE_OFFSET	0
-#define DA9063_NUM_IRQ		(DA9063_IRQ_GPI15 + 1 - DA9063_IRQ_BASE_OFFSET)
-
 struct da9063 {
 	/* Device */
 	struct device	*dev;