diff --git a/drivers/iio/light/st_uvis25_i2c.c b/drivers/iio/light/st_uvis25_i2c.c
index c939c0b..afd6eb0 100644
--- a/drivers/iio/light/st_uvis25_i2c.c
+++ b/drivers/iio/light/st_uvis25_i2c.c
@@ -19,7 +19,7 @@
 
 #define UVIS25_I2C_AUTO_INCREMENT	BIT(7)
 
-const struct regmap_config st_uvis25_i2c_regmap_config = {
+static const struct regmap_config st_uvis25_i2c_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 	.write_flag_mask = UVIS25_I2C_AUTO_INCREMENT,
diff --git a/drivers/iio/light/st_uvis25_spi.c b/drivers/iio/light/st_uvis25_spi.c
index e697e14..cdfee5e 100644
--- a/drivers/iio/light/st_uvis25_spi.c
+++ b/drivers/iio/light/st_uvis25_spi.c
@@ -19,7 +19,7 @@
 #define UVIS25_SENSORS_SPI_READ		BIT(7)
 #define UVIS25_SPI_AUTO_INCREMENT	BIT(6)
 
-const struct regmap_config st_uvis25_spi_regmap_config = {
+static const struct regmap_config st_uvis25_spi_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 	.read_flag_mask = UVIS25_SENSORS_SPI_READ | UVIS25_SPI_AUTO_INCREMENT,