diff --git a/drivers/iio/adc/ti-tsc2046.c b/drivers/iio/adc/ti-tsc2046.c
index 84a9a5e66526..c2d2aada6772 100644
--- a/drivers/iio/adc/ti-tsc2046.c
+++ b/drivers/iio/adc/ti-tsc2046.c
@@ -761,7 +761,6 @@ static int tsc2046_adc_probe(struct spi_device *spi)
 	if (!dcfg)
 		return -EINVAL;
 
-	spi->bits_per_word = 8;
 	spi->mode &= ~SPI_MODE_X_MASK;
 	spi->mode |= SPI_MODE_0;
 	ret = spi_setup(spi);