diff --git a/stm/printf.c b/stm/printf.c
index 2669a55344..a0620018cc 100644
--- a/stm/printf.c
+++ b/stm/printf.c
@@ -6,7 +6,6 @@
 #include "misc.h"
 #include "systick.h"
 #include "mpconfig.h"
-#include "mpconfigport.h"
 #include "qstr.h"
 #include "obj.h"
 #include "lcd.h"