diff --git a/drivers/staging/iio/cdc/ad7746.c b/drivers/staging/iio/cdc/ad7746.c
index 21527d84f940..004f123bb070 100644
--- a/drivers/staging/iio/cdc/ad7746.c
+++ b/drivers/staging/iio/cdc/ad7746.c
@@ -702,7 +702,6 @@ static int ad7746_probe(struct i2c_client *client,
 		indio_dev->num_channels = ARRAY_SIZE(ad7746_channels);
 	else
 		indio_dev->num_channels =  ARRAY_SIZE(ad7746_channels) - 2;
-	indio_dev->num_channels = ARRAY_SIZE(ad7746_channels);
 	indio_dev->modes = INDIO_DIRECT_MODE;
 
 	if (pdata) {