diff --git a/event/hloop.c b/event/hloop.c
index ccf27e3a9..fdb5035fc 100644
--- a/event/hloop.c
+++ b/event/hloop.c
@@ -10,10 +10,6 @@
 #include "hsocket.h"
 #include "hthread.h"
 
-#if defined(__APPLE__)
-#undef HAVE_EVENTFD
-#endif
-
 #if defined(OS_UNIX) && HAVE_EVENTFD
 #include "sys/eventfd.h"
 #endif