diff --git a/ports/stm32/main.c b/ports/stm32/main.c
index 51c29fe753..9ac2b44905 100644
--- a/ports/stm32/main.c
+++ b/ports/stm32/main.c
@@ -28,7 +28,6 @@
 #include <string.h>
 
 #include "py/runtime.h"
-#include "py/stackctrl.h"
 #include "py/gc.h"
 #include "py/mperrno.h"
 #include "py/mphal.h"