diff --git a/boards/px4/sitl/default.cmake b/boards/px4/sitl/default.cmake
index b960ccce8f3..ec27677890b 100644
--- a/boards/px4/sitl/default.cmake
+++ b/boards/px4/sitl/default.cmake
@@ -17,6 +17,7 @@ px4_add_board(
 		#magnetometer # all available magnetometer drivers
 		pwm_out_sim
 		#telemetry # all available telemetry drivers
+		tone_alarm_sim
 		vmount
 
 	MODULES
diff --git a/src/platforms/posix/drivers/tonealrmsim/CMakeLists.txt b/src/drivers/tone_alarm_sim/CMakeLists.txt
similarity index 96%
rename from src/platforms/posix/drivers/tonealrmsim/CMakeLists.txt
rename to src/drivers/tone_alarm_sim/CMakeLists.txt
index 0724a7dd4c9..85ae11cee6e 100644
--- a/src/platforms/posix/drivers/tonealrmsim/CMakeLists.txt
+++ b/src/drivers/tone_alarm_sim/CMakeLists.txt
@@ -31,12 +31,10 @@
 #
 ############################################################################
 px4_add_module(
-	MODULE platforms__posix__drivers__tonealrmsim
+	MODULE drivers__tone_alarm_sim
 	MAIN tone_alarm
-	COMPILE_FLAGS
 	SRCS
 		tone_alarm.cpp
 	DEPENDS
 		git_driverframework
 	)
-
diff --git a/src/platforms/posix/drivers/tonealrmsim/tone_alarm.cpp b/src/drivers/tone_alarm_sim/tone_alarm.cpp
similarity index 93%
rename from src/platforms/posix/drivers/tonealrmsim/tone_alarm.cpp
rename to src/drivers/tone_alarm_sim/tone_alarm.cpp
index 3e738aacc7b..05c5877ff9f 100644
--- a/src/platforms/posix/drivers/tonealrmsim/tone_alarm.cpp
+++ b/src/drivers/tone_alarm_sim/tone_alarm.cpp
@@ -37,47 +37,24 @@
  * timer HW
  */
 
+#include <circuit_breaker/circuit_breaker.h>
+#include <drivers/device/device.h>
+#include <drivers/drv_hrt.h>
+#include <drivers/drv_tone_alarm.h>
+#include <lib/cdev/CDev.hpp>
+#include <lib/tunes/tunes.h>
 #include <px4_config.h>
 #include <px4_posix.h>
-
-#include <drivers/device/device.h>
-#include <drivers/drv_tone_alarm.h>
-
-#include <sys/types.h>
-#include <stdint.h>
-#include <stdbool.h>
-#include <stdlib.h>
-#include <string.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <math.h>
-#include <ctype.h>
-
-#include <board_config.h>
-#include <drivers/drv_hrt.h>
-
-#include <systemlib/err.h>
-#include <circuit_breaker/circuit_breaker.h>
-
 #include <px4_workqueue.h>
-
-#include <lib/tunes/tunes.h>
-#include <uORB/uORB.h>
 #include <uORB/topics/tune_control.h>
 
-#include "VirtDevObj.hpp"
-
-using namespace DriverFramework;
-
 #if !defined(UNUSED)
 #  define UNUSED(a) ((void)(a))
 #endif
 
 #define CBRK_BUZZER_KEY 782097
 
-class ToneAlarm : public VirtDevObj
+class ToneAlarm : public cdev::CDev
 {
 public:
 	ToneAlarm();
@@ -141,7 +118,7 @@ extern "C" __EXPORT int tone_alarm_main(int argc, char *argv[]);
 
 
 ToneAlarm::ToneAlarm() :
-	VirtDevObj("tone_alarm", TONEALARM0_DEVICE_PATH, nullptr, 0),
+	CDev(TONEALARM0_DEVICE_PATH),
 	_running(false),
 	_should_run(true),
 	_play_tone(false),
@@ -164,9 +141,7 @@ ToneAlarm::~ToneAlarm()
 
 int ToneAlarm::init()
 {
-	int ret;
-
-	ret = VirtDevObj::init();
+	int ret = CDev::init();
 
 	if (ret != OK) {
 		return ret;