--- a/unix/posix_thread_os_hnd.c
+++ b/unix/posix_thread_os_hnd.c
@@ -140,8 +140,6 @@
     fd_data->data_ready = data_ready;
     fd_data->handler = handler;
     fd_data->freed = freed;
-    sel_set_fd_write_handler(posix_sel, fd, SEL_FD_HANDLER_DISABLED);
-    sel_set_fd_except_handler(posix_sel, fd, SEL_FD_HANDLER_DISABLED);
     rv = sel_set_fd_handlers(posix_sel, fd, fd_data, fd_handler, NULL, NULL,
 			     free_fd_data);
     if (rv) {