diff --git a/src/pwmout.c b/src/pwmout.c
--- a/src/pwmout.c
+++ b/src/pwmout.c
@@ -2,11 +2,7 @@
 // PWM Out: generate PWM waveform to control factory
 //
 
-#include "stm32f3xx_hal.h"
 #include "pwmout.h"
-#include "gpio.h"
-#include "flash.h"
-#include "error.h"
 
 
 // Private variables