diff --git a/util/event_notifier-posix.c b/util/event_notifier-posix.c
index c1f0d79..c9bb34d 100644
--- a/util/event_notifier-posix.c
+++ b/util/event_notifier-posix.c
@@ -21,7 +21,6 @@
 #include <sys/eventfd.h>
 #endif
 
-#ifdef CONFIG_EVENTFD
 /*
  * Initialize @e with existing file descriptor @fd.
  * @fd must be a genuine eventfd object, emulation with pipe won't do.
@@ -31,7 +30,6 @@ void event_notifier_init_fd(EventNotifier *e, int fd)
     e->rfd = fd;
     e->wfd = fd;
 }
-#endif
 
 int event_notifier_init(EventNotifier *e, int active)
 {