--- a/flow/cachedwav.h
+++ b/flow/cachedwav.h
@@ -23,8 +23,8 @@
 #ifndef CACHEDWAV_H
 #define CACHEDWAV_H
 
-#include "config.h"
 #include "arts_export.h"
+
 #ifdef HAVE_LIBAUDIOFILE
 #include "cache.h"
 #include <sys/stat.h>
--- a/flow/synthschedule.h
+++ b/flow/synthschedule.h
@@ -23,8 +23,6 @@
 #ifndef SYNTHSCHEDULE_H
 #define SYNTHSCHEDULE_H
 
-#include "config.h"
-
 #ifdef __GNUC__
 #warning " *   <synthschedule.h> included!   *"
 #warning " * include <gslschedule.h> instead *"