diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
index 3e47a9287938..d82ec6398222 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
@@ -494,7 +494,8 @@ st_lsm6dsx_get_mount_matrix(const struct iio_dev *iio_dev,
 	return &hw->orientation;
 }
 
-static const struct iio_chan_spec_ext_info st_lsm6dsx_accel_ext_info[] = {
+static const
+struct iio_chan_spec_ext_info __maybe_unused st_lsm6dsx_accel_ext_info[] = {
 	IIO_MOUNT_MATRIX(IIO_SHARED_BY_ALL, st_lsm6dsx_get_mount_matrix),
 	{ }
 };