diff --git a/openrtx/src/main.c b/openrtx/src/main.c
index e819280b..f4bddf87 100644
--- a/openrtx/src/main.c
+++ b/openrtx/src/main.c
@@ -23,7 +23,6 @@
 #include <os.h>
 #include <lib_mem.h>
 #include <stdio.h>
-#include "stm32f4xx.h"
 #include "gpio.h"
 #include "delays.h"
 #include "display.h"