diff --git a/job.c b/job.c
index c27f2a4b..eeb5a164 100644
--- a/job.c
+++ b/job.c
@@ -124,23 +124,6 @@ extern int geteuid (), getegid ();
 extern int setgid (), getgid ();
 #endif
 
-#ifndef	getdtablesize
-#ifdef HAVE_GETDTABLESIZE
-extern int getdtablesize ();
-#else
-#ifdef HAVE_SYSCONF_OPEN_MAX
-#define getdtablesize()		((int) sysconf (_SC_OPEN_MAX))
-#else
-#include <sys/param.h>
-#define getdtablesize() NOFILE
-#if !defined (NOFILE) && defined (NOFILES_MAX)
-/* SCO 3.2 "devsys 4.2" defines NOFILES_{MIN,MAX} in lieu of NOFILE.  */
-#define NOFILE	NOFILES_MAX
-#endif
-#endif
-#endif
-#endif
-
 extern int getloadavg ();
 extern int start_remote_job_p ();
 extern int start_remote_job (), remote_status ();