diff --git a/firmware/controllers/actuators/alternator_controller.h b/firmware/controllers/actuators/alternator_controller.h
index 8e3fc8d44a..42f3a00c6c 100644
--- a/firmware/controllers/actuators/alternator_controller.h
+++ b/firmware/controllers/actuators/alternator_controller.h
@@ -7,8 +7,8 @@
  * @author Andrey Belomutskiy, (c) 2012-2020
  *
  */
-#ifndef ALTERNATORCONTROLLER_H_
-#define ALTERNATORCONTROLLER_H_
+
+#pragma once
 
 #include "engine.h"
 void initAlternatorCtrl(Logging *sharedLogger);
@@ -19,5 +19,3 @@ void showAltInfo(void);
 void setDefaultAlternatorParameters(DECLARE_CONFIG_PARAMETER_SIGNATURE);
 
 void onConfigurationChangeAlternatorCallback(engine_configuration_s *previousConfiguration);
-
-#endif /* ALTERNATORCONTROLLER_H_ */
diff --git a/firmware/controllers/actuators/aux_pid.h b/firmware/controllers/actuators/aux_pid.h
index 66c7705234..3745f3c476 100644
--- a/firmware/controllers/actuators/aux_pid.h
+++ b/firmware/controllers/actuators/aux_pid.h
@@ -5,8 +5,7 @@
  * @author Andrey Belomutskiy, (c) 2012-2020
  */
 
-#ifndef CONTROLLERS_ALGO_AUX_PID_H_
-#define CONTROLLERS_ALGO_AUX_PID_H_
+#pragma once
 
 #include "global.h"
 
@@ -14,4 +13,3 @@ void initAuxPid(Logging *sharedLogger);
 void startAuxPins(void);
 void stopAuxPins(void);
 
-#endif /* CONTROLLERS_ALGO_AUX_PID_H_ */
diff --git a/firmware/controllers/actuators/electronic_throttle.h b/firmware/controllers/actuators/electronic_throttle.h
index 6957c2d297..3a90a12846 100644
--- a/firmware/controllers/actuators/electronic_throttle.h
+++ b/firmware/controllers/actuators/electronic_throttle.h
@@ -17,7 +17,7 @@
 class DcMotor;
 class Logging;
 
-class IEtbController : public PeriodicTimerController{
+class IEtbController : public PeriodicTimerController {
 public:
 	DECLARE_ENGINE_PTR;
 	virtual void init(DcMotor *motor, int ownIndex, pid_s *pidParameters) = 0;
diff --git a/firmware/controllers/actuators/pwm_tester.h b/firmware/controllers/actuators/pwm_tester.h
index b740c9e8eb..bac313c5c0 100644
--- a/firmware/controllers/actuators/pwm_tester.h
+++ b/firmware/controllers/actuators/pwm_tester.h
@@ -4,9 +4,7 @@
  * @date Apr 29, 2014
  * @author Andrey Belomutskiy, (c) 2012-2020
  */
-#ifndef PWMTESTER_H_
-#define PWMTESTER_H_
+
+#pragma once
 
 void initPwmTester(void);
-
-#endif /* PWMTESTER_H_ */