diff --git a/drivers/sensor/adxl362/adxl362.c b/drivers/sensor/adxl362/adxl362.c
index c1d37884be4..dbf5e945cb4 100644
--- a/drivers/sensor/adxl362/adxl362.c
+++ b/drivers/sensor/adxl362/adxl362.c
@@ -570,7 +570,6 @@ static int adxl362_init(struct device *dev)
 {
 	struct adxl362_data *data = dev->driver_data;
 	u8_t value;
-	int ret;
 
 	data->spi = device_get_binding(CONFIG_ADXL362_SPI_DEV_NAME);
 	if (!data->spi) {
diff --git a/drivers/sensor/lis2dh/lis2dh.c b/drivers/sensor/lis2dh/lis2dh.c
index 92c170bf5ca..375a5ad3758 100644
--- a/drivers/sensor/lis2dh/lis2dh.c
+++ b/drivers/sensor/lis2dh/lis2dh.c
@@ -183,7 +183,6 @@ static int lis2dh_freq_to_odr_val(u16_t freq)
 
 static int lis2dh_acc_odr_set(struct device *dev, u16_t freq)
 {
-	struct lis2dh_data *lis2dh = dev->driver_data;
 	int odr;
 	int status;
 	u8_t value;
diff --git a/drivers/sensor/lis2dh/lis2dh_trigger.c b/drivers/sensor/lis2dh/lis2dh_trigger.c
index 787e3599233..ff742dd77d7 100644
--- a/drivers/sensor/lis2dh/lis2dh_trigger.c
+++ b/drivers/sensor/lis2dh/lis2dh_trigger.c
@@ -158,7 +158,6 @@ int lis2dh_trigger_set(struct device *dev,
 int lis2dh_acc_slope_config(struct device *dev, enum sensor_attribute attr,
 			    const struct sensor_value *val)
 {
-	struct lis2dh_data *lis2dh = dev->driver_data;
 	int status;
 
 	if (attr == SENSOR_ATTR_SLOPE_TH) {