diff --git a/src/drivers/hardware_specific/atmega/atmega32u4_mcu.cpp b/src/drivers/hardware_specific/atmega/atmega32u4_mcu.cpp
index 26dad439..349f03f4 100644
--- a/src/drivers/hardware_specific/atmega/atmega32u4_mcu.cpp
+++ b/src/drivers/hardware_specific/atmega/atmega32u4_mcu.cpp
@@ -103,7 +103,7 @@ void _writeDutyCycle2PWM(float dc_a,  float dc_b, void* params){
 // function setting the pwm duty cycle to the hardware 
 // - BLDC motor - 3PWM setting
 // - hardware speciffic
-void _writeDutyCycle3PWM(float dc_a,  float dc_b, float dc_c, int pinA, void* params){
+void _writeDutyCycle3PWM(float dc_a,  float dc_b, float dc_c, void* params){
   // transform duty cycle from [0,1] to [0,255]
   analogWrite(((GenericDriverParams*)params)->pins[0], 255.0f*dc_a);
   analogWrite(((GenericDriverParams*)params)->pins[1], 255.0f*dc_b);