diff --git a/src/modules/simulator/gpssim/gpssim.cpp b/src/modules/simulator/gpssim/gpssim.cpp
index 20a1b98e6c..013e95e418 100644
--- a/src/modules/simulator/gpssim/gpssim.cpp
+++ b/src/modules/simulator/gpssim/gpssim.cpp
@@ -107,20 +107,12 @@ protected:
 private:
 
 	bool				_task_should_exit;				///< flag to make the main worker task exit
-	int				_serial_fd;					///< serial interface to GPS
-	unsigned			_baudrate;					///< current baudrate
-	char				_port[20];					///< device / serial port path
 	volatile int			_task;						///< worker task
-	bool				_healthy;					///< flag to signal if the GPS is ok
-	bool				_baudrate_changed;				///< flag to signal that the baudrate with the GPS has changed
-	bool				_mode_changed;					///< flag that the GPS mode has changed
-	//gps_driver_mode_t		_mode;						///< current mode
 	GPS_Sat_Info			*_Sat_Info;					///< instance of GPS sat info data object
 	struct vehicle_gps_position_s	_report_gps_pos;				///< uORB topic for gps position
 	orb_advert_t			_report_gps_pos_pub;				///< uORB pub for gps position
 	struct satellite_info_s		*_p_report_sat_info;				///< pointer to uORB topic for satellite info
 	orb_advert_t			_report_sat_info_pub;				///< uORB pub for satellite info
-	float				_rate;						///< position update rate
 	SyncObj				_sync;
 	int _fix_type;
 	int _num_sat;
@@ -175,27 +167,17 @@ GPSSIM::GPSSIM(const char *uart_path, bool fake_gps, bool enable_sat_info,
 	       int fix_type, int num_sat, int noise_multiplier) :
 	VirtDevObj("gps", GPSSIM_DEVICE_PATH, nullptr, 1e6 / 10),
 	_task_should_exit(false),
-	//_healthy(false),
-	//_mode_changed(false),
-	//_mode(GPS_DRIVER_MODE_UBX),
-	//_Helper(nullptr),
 	_Sat_Info(nullptr),
+	_report_gps_pos{},
 	_report_gps_pos_pub(nullptr),
 	_p_report_sat_info(nullptr),
 	_report_sat_info_pub(nullptr),
-	_rate(0.0f),
 	_fix_type(fix_type),
 	_num_sat(num_sat),
 	_noise_multiplier(noise_multiplier)
 {
-	// /* store port name */
-	// strncpy(_port, uart_path, sizeof(_port));
-	// /* enforce null termination */
-	// _port[sizeof(_port) - 1] = '\0';
-
 	/* we need this potentially before it could be set in task_main */
 	g_dev = this;
-	memset(&_report_gps_pos, 0, sizeof(_report_gps_pos));
 
 	/* create satellite info data object if requested */
 	if (enable_sat_info) {
@@ -329,9 +311,6 @@ GPSSIM::task_main()
 	/* loop handling received serial bytes and also configuring in between */
 	while (!_task_should_exit) {
 
-		// GPS is obviously detected successfully, reset statistics
-		//_Helper->reset_update_rates();
-
 		int recv_ret = receive(TIMEOUT_100MS);
 
 		if (recv_ret > 0) {
@@ -382,7 +361,6 @@ GPSSIM::print_info()
 	//GPS Mode
 	PX4_INFO("protocol: SIM");
 
-	PX4_INFO("port: %s, baudrate: %d, status: %s", _port, _baudrate, (_healthy) ? "OK" : "NOT OK");
 	PX4_INFO("sat info: %s, noise: %d, jamming detected: %s",
 		 (_p_report_sat_info != nullptr) ? "enabled" : "disabled",
 		 _report_gps_pos.noise_per_ms,