diff --git a/firmware/controllers/actuators/aux_pid.cpp b/firmware/controllers/actuators/aux_pid.cpp
index ec065d8c26..58144d4786 100644
--- a/firmware/controllers/actuators/aux_pid.cpp
+++ b/firmware/controllers/actuators/aux_pid.cpp
@@ -125,13 +125,13 @@ static void turnAuxPidOn(int index) {
 			engineConfiguration->auxPidFrequency[index], 0.1);
 }
 
-void startAuxPins(void) {
+void startAuxPins() {
 	for (int i = 0;i <AUX_PID_COUNT;i++) {
 		turnAuxPidOn(i);
 	}
 }
 
-void stopAuxPins(void) {
+void stopAuxPins() {
 #if EFI_PROD_CODE
 	for (int i = 0;i < AUX_PID_COUNT;i++) {
 		efiSetPadUnused(activeConfiguration.auxPidPins[i]);
diff --git a/firmware/controllers/actuators/aux_pid.h b/firmware/controllers/actuators/aux_pid.h
index 3745f3c476..abfd002ddc 100644
--- a/firmware/controllers/actuators/aux_pid.h
+++ b/firmware/controllers/actuators/aux_pid.h
@@ -10,6 +10,6 @@
 #include "global.h"
 
 void initAuxPid(Logging *sharedLogger);
-void startAuxPins(void);
-void stopAuxPins(void);
+void startAuxPins();
+void stopAuxPins();
 
diff --git a/firmware/hw_layer/digital_input/digital_input_icu.cpp b/firmware/hw_layer/digital_input/digital_input_icu.cpp
index 542c390503..c2106a2307 100644
--- a/firmware/hw_layer/digital_input/digital_input_icu.cpp
+++ b/firmware/hw_layer/digital_input/digital_input_icu.cpp
@@ -198,7 +198,7 @@ ICUDriver * getInputCaptureDriver(const char *msg, brain_pin_e hwPin) {
 	return nullptr;
 }
 
-void turnOnCapturePin(const char *msg, brain_pin_e brainPin) {
+static void turnOnCapturePin(const char *msg, brain_pin_e brainPin) {
 	ICUDriver *driver = getInputCaptureDriver(msg, brainPin);
 	if (driver != NULL) {
 		iomode_t mode = (iomode_t) PAL_MODE_ALTERNATE(getAlternateFunctions(driver));
diff --git a/firmware/hw_layer/digital_input/digital_input_icu.h b/firmware/hw_layer/digital_input/digital_input_icu.h
index 6fb1223c83..8ea55afc2b 100644
--- a/firmware/hw_layer/digital_input/digital_input_icu.h
+++ b/firmware/hw_layer/digital_input/digital_input_icu.h
@@ -13,7 +13,6 @@
 
 digital_input_s* startDigitalCapture(const char *msg, brain_pin_e brainPin);
 
-void turnOnCapturePin(const char *msg, brain_pin_e brainPin);
 void turnOffCapturePin(brain_pin_e brainPin);
 
 void stopDigitalCapture(const char *msg, brain_pin_e brainPin);