diff --git a/drivers/iio/adc/exynos_adc.c b/drivers/iio/adc/exynos_adc.c
index 4d00ee8dd14d..b97d46c949ed 100644
--- a/drivers/iio/adc/exynos_adc.c
+++ b/drivers/iio/adc/exynos_adc.c
@@ -721,14 +721,7 @@ static const struct iio_chan_spec exynos_adc_iio_channels[] = {
 	ADC_CHANNEL(9, "adc9"),
 };
 
-static int exynos_adc_remove_devices(struct device *dev, void *c)
-{
-	struct platform_device *pdev = to_platform_device(dev);
 
-	platform_device_unregister(pdev);
-
-	return 0;
-}
 
 static int exynos_adc_ts_open(struct input_dev *dev)
 {
@@ -929,8 +922,7 @@ static int exynos_adc_probe(struct platform_device *pdev)
 	return 0;
 
 err_of_populate:
-	device_for_each_child(&indio_dev->dev, NULL,
-				exynos_adc_remove_devices);
+	of_platform_depopulate(&indio_dev->dev);
 	if (has_ts) {
 		input_unregister_device(info->input);
 		free_irq(info->tsirq, info);
@@ -959,8 +951,7 @@ static void exynos_adc_remove(struct platform_device *pdev)
 		free_irq(info->tsirq, info);
 		input_unregister_device(info->input);
 	}
-	device_for_each_child(&indio_dev->dev, NULL,
-				exynos_adc_remove_devices);
+	of_platform_depopulate(&indio_dev->dev);
 	iio_device_unregister(indio_dev);
 	free_irq(info->irq, info);
 	if (info->data->exit_hw)