diff -u -r ../nginx-1.15.3/src/event/modules/ngx_epoll_module.c ./src/event/modules/ngx_epoll_module.c
--- ../nginx-1.15.3/src/event/modules/ngx_epoll_module.c	2018-08-28 15:36:00.000000000 +0000
+++ ./src/event/modules/ngx_epoll_module.c	2018-09-19 21:55:21.381079239 +0000
@@ -591,16 +591,12 @@
     if (event == NGX_READ_EVENT) {
         e = c->write;
         prev = EPOLLOUT;
-#if (NGX_READ_EVENT != EPOLLIN|EPOLLRDHUP)
         events = EPOLLIN|EPOLLRDHUP;
-#endif
 
     } else {
         e = c->read;
         prev = EPOLLIN|EPOLLRDHUP;
-#if (NGX_WRITE_EVENT != EPOLLOUT)
         events = EPOLLOUT;
-#endif
     }
 
     if (e->active) {