diff --git a/drivers/sensor/lsm9ds0_gyro/lsm9ds0_gyro.c b/drivers/sensor/lsm9ds0_gyro/lsm9ds0_gyro.c
index 70150f92f05..185831ae093 100644
--- a/drivers/sensor/lsm9ds0_gyro/lsm9ds0_gyro.c
+++ b/drivers/sensor/lsm9ds0_gyro/lsm9ds0_gyro.c
@@ -325,7 +325,7 @@ err_poweroff:
 	return -EIO;
 }
 
-int lsm9ds0_gyro_init(struct device *dev)
+static int lsm9ds0_gyro_init(struct device *dev)
 {
 	const struct lsm9ds0_gyro_config * const config =
 					   dev->config->config_info;
@@ -366,7 +366,7 @@ static const struct lsm9ds0_gyro_config lsm9ds0_gyro_config = {
 #endif
 };
 
-struct lsm9ds0_gyro_data lsm9ds0_gyro_data;
+static struct lsm9ds0_gyro_data lsm9ds0_gyro_data;
 
 DEVICE_INIT(lsm9ds0_gyro, CONFIG_LSM9DS0_GYRO_DEV_NAME, lsm9ds0_gyro_init,
 	    &lsm9ds0_gyro_data, &lsm9ds0_gyro_config, POST_KERNEL,