diff --git a/src/modules/sensors/sensors.cpp b/src/modules/sensors/sensors.cpp
index 7e7ef2cd31d..41fa63e5b4b 100644
--- a/src/modules/sensors/sensors.cpp
+++ b/src/modules/sensors/sensors.cpp
@@ -157,39 +157,39 @@ public:
 private:
 	DevHandle 	_h_adc;				/**< ADC driver handle */
 
-	hrt_abstime	_last_adc;			/**< last time we took input from the ADC */
+	hrt_abstime	_last_adc{0};			/**< last time we took input from the ADC */
 
 	const bool	_hil_enabled;			/**< if true, HIL is active */
-	bool		_armed;				/**< arming status of the vehicle */
+	bool		_armed{false};				/**< arming status of the vehicle */
 
-	int		_actuator_ctrl_0_sub;		/**< attitude controls sub */
-	int		_diff_pres_sub;			/**< raw differential pressure subscription */
-	int		_vcontrol_mode_sub;		/**< vehicle control mode subscription */
-	int 		_params_sub;			/**< notification of parameter updates */
+	int		_actuator_ctrl_0_sub{-1};		/**< attitude controls sub */
+	int		_diff_pres_sub{-1};			/**< raw differential pressure subscription */
+	int		_vcontrol_mode_sub{-1};		/**< vehicle control mode subscription */
+	int 		_params_sub{-1};			/**< notification of parameter updates */
 
-	orb_advert_t	_sensor_pub;			/**< combined sensor data topic */
-	orb_advert_t	_battery_pub[BOARD_NUMBER_BRICKS] = {nullptr};			/**< battery status */
+	orb_advert_t	_sensor_pub{nullptr};			/**< combined sensor data topic */
+	orb_advert_t	_battery_pub[BOARD_NUMBER_BRICKS] {};			/**< battery status */
 
 #if BOARD_NUMBER_BRICKS > 1
-	int 			_battery_pub_intance0ndx = 0; /**< track the index of instance 0 */
+	int 			_battery_pub_intance0ndx {0}; /**< track the index of instance 0 */
 #endif
 
-	orb_advert_t	_airspeed_pub;			/**< airspeed */
-	orb_advert_t	_diff_pres_pub;			/**< differential_pressure */
-	orb_advert_t	_sensor_preflight;		/**< sensor preflight topic */
+	orb_advert_t	_airspeed_pub{nullptr};			/**< airspeed */
+	orb_advert_t	_diff_pres_pub{nullptr};			/**< differential_pressure */
+	orb_advert_t	_sensor_preflight{nullptr};		/**< sensor preflight topic */
 
 	perf_counter_t	_loop_perf;			/**< loop performance counter */
 
 	DataValidator	_airspeed_validator;		/**< data validator to monitor airspeed */
 
-	struct battery_status_s _battery_status[BOARD_NUMBER_BRICKS];	/**< battery status */
-	struct differential_pressure_s _diff_pres;
-	struct airspeed_s _airspeed;
+	battery_status_s _battery_status[BOARD_NUMBER_BRICKS] {};	/**< battery status */
+	differential_pressure_s _diff_pres{};
+	airspeed_s _airspeed{};
 
 	Battery		_battery[BOARD_NUMBER_BRICKS];			/**< Helper lib to publish battery_status topic. */
 
-	Parameters		_parameters;			/**< local copies of interesting parameters */
-	ParameterHandles	_parameter_handles;		/**< handles for interesting parameters */
+	Parameters		_parameters{};			/**< local copies of interesting parameters */
+	ParameterHandles	_parameter_handles{};		/**< handles for interesting parameters */
 
 	RCUpdate		_rc_update;
 	VotedSensorsUpdate _voted_sensors_update;
@@ -233,31 +233,11 @@ private:
 };
 
 Sensors::Sensors(bool hil_enabled) :
-	_last_adc(0),
-
 	_hil_enabled(hil_enabled),
-	_armed(false),
-
-	_actuator_ctrl_0_sub(-1),
-	_diff_pres_sub(-1),
-	_vcontrol_mode_sub(-1),
-	_params_sub(-1),
-
-	/* publications */
-	_sensor_pub(nullptr),
-	_airspeed_pub(nullptr),
-	_diff_pres_pub(nullptr),
-	_sensor_preflight(nullptr),
-
-	/* performance counters */
 	_loop_perf(perf_alloc(PC_ELAPSED, "sensors")),
-
 	_rc_update(_parameters),
 	_voted_sensors_update(_parameters, hil_enabled)
 {
-	memset(&_diff_pres, 0, sizeof(_diff_pres));
-	memset(&_parameters, 0, sizeof(_parameters));
-
 	initialize_parameter_handles(_parameter_handles);
 
 	_airspeed_validator.set_timeout(300000);