poll.h doesn't appear to be needed Index: ocspcheck.c =================================================================== RCS file: /cvs/src/usr.sbin/ocspcheck/ocspcheck.c,v retrieving revision 1.21 diff -u -p -u -r1.21 ocspcheck.c --- ocspcheck.c 8 May 2017 20:15:34 -0000 1.21 +++ ocspcheck.c 21 Dec 2017 01:22:55 -0000 @@ -25,7 +25,6 @@ #include <fcntl.h> #include <limits.h> #include <netdb.h> -#include <poll.h> #include <stdio.h> #include <stdlib.h> #include <string.h>