--- povray31/source/pvm/pvm.h.orig	2001-09-07 16:29:33.000000000 +0200
+++ povray31/source/pvm/pvm.h	2008-03-11 22:25:58.000000000 +0100
@@ -168,5 +168,3 @@
 extern char	PvmWorkingDir[];
 extern char **  PvmHosts;
 extern int	PvmHostsN;
-extern int      PvmMTid;
-extern int    * tids;