diff --git a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
index 01c013acfda2..21336b8f122a 100644
--- a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
+++ b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
@@ -185,7 +185,6 @@ static int lidar_get_measurement(struct lidar_data *data, u16 *reg)
 		}
 		ret = -EIO;
 	}
-	pm_runtime_mark_last_busy(&client->dev);
 	pm_runtime_put_autosuspend(&client->dev);
 
 	return ret;
diff --git a/drivers/iio/proximity/srf04.c b/drivers/iio/proximity/srf04.c
index b059bac1078b..310467ce39e2 100644
--- a/drivers/iio/proximity/srf04.c
+++ b/drivers/iio/proximity/srf04.c
@@ -117,10 +117,8 @@ static int srf04_read(struct srf04_data *data)
 	udelay(data->cfg->trigger_pulse_us);
 	gpiod_set_value(data->gpiod_trig, 0);
 
-	if (data->gpiod_power) {
-		pm_runtime_mark_last_busy(data->dev);
+	if (data->gpiod_power)
 		pm_runtime_put_autosuspend(data->dev);
-	}
 
 	/* it should not take more than 20 ms until echo is rising */
 	ret = wait_for_completion_killable_timeout(&data->rising, HZ/50);