/:#if.*[ \t]*KPROF/d
/:#if.*[ \t]*PGINPROF/d
/:#if.*[ \t]*TRACE/d
/:#if.*[ \t]*lint/d
/:#if.*[ \t]*notdef/d
/:#if.*[ \t]*unneeded/d
/:#if.*[ \t]*vax/d
/:#if.*[ \t]*TCPTRUEOOB/d
/:#if.*[ \t]*notyet/d
/:#if.*[ \t]*_KERNEL/d
/:#if.*[ \t]*_LOCORE/d