diff --git a/cpu/cortexm_common/include/cpu.h b/cpu/cortexm_common/include/cpu.h
index 9749778197..e7abdc67f6 100644
--- a/cpu/cortexm_common/include/cpu.h
+++ b/cpu/cortexm_common/include/cpu.h
@@ -30,12 +30,10 @@
 #ifndef CPU_H
 #define CPU_H
 
-#include <stdio.h>
-
 #include "irq.h"
 #include "sched.h"
 #include "thread.h"
-#include "cpu_conf.h"
+#include "cpu_conf.h" /* IWYU pragma: export */
 
 #ifdef __cplusplus
 extern "C" {