diff --git a/drivers/iio/imu/smi330/smi330_core.c b/drivers/iio/imu/smi330/smi330_core.c
index 0cf673b44b62..7ec5ae7f521a 100644
--- a/drivers/iio/imu/smi330/smi330_core.c
+++ b/drivers/iio/imu/smi330/smi330_core.c
@@ -67,10 +67,6 @@
 #define SMI330_CHIP_ID 0x42
 #define SMI330_SOFT_RESET_DELAY 2000
 
-/* Non-constant mask variant of FIELD_GET() and FIELD_PREP() */
-#define smi330_field_get(_mask, _reg) (((_reg) & (_mask)) >> (ffs(_mask) - 1))
-#define smi330_field_prep(_mask, _val) (((_val) << (ffs(_mask) - 1)) & (_mask))
-
 #define SMI330_ACCEL_CHANNEL(_axis) {					\
 	.type = IIO_ACCEL,						\
 	.modified = 1,							\
@@ -361,7 +357,7 @@ static int smi330_get_sensor_config(struct smi330_data *data,
 	if (ret)
 		return ret;
 
-	reg_val = smi330_field_get(attr->mask, reg_val);
+	reg_val = field_get(attr->mask, reg_val);
 
 	if (attr->type == IIO_VAL_INT) {
 		for (i = 0; i < attr->len; i++) {
@@ -410,7 +406,7 @@ static int smi330_set_sensor_config(struct smi330_data *data,
 	if (ret)
 		return ret;
 
-	reg_val = smi330_field_prep(attr->mask, reg_val);
+	reg_val = field_prep(attr->mask, reg_val);
 	ret = regmap_update_bits(data->regmap, reg, attr->mask, reg_val);
 	if (ret)
 		return ret;