diff --git a/sys/conf/files b/sys/conf/files
index c23bea192a4e..5545f8b0a723 100644
--- a/sys/conf/files
+++ b/sys/conf/files
@@ -78,7 +78,6 @@ crypto/rc5/rc5.c		optional ipsec ipsec_esp
 crypto/rc5/rc5_cbc.c		optional ipsec ipsec_esp
 ddb/db_access.c		optional ddb
 ddb/db_kld.c		optional ddb
-ddb/db_aout.c		optional ddb
 ddb/db_break.c		optional ddb
 ddb/db_command.c	optional ddb
 ddb/db_examine.c	optional ddb
@@ -210,20 +209,6 @@ dev/pdq/pdq.c		optional fea
 dev/pdq/pdq_ifsubr.c	optional fea
 dev/pdq/pdq.c		optional fpa
 dev/pdq/pdq_ifsubr.c	optional fpa
-ppbus_if.o		optional ppbus					\
-	dependency	"ppbus_if.c ppbus_if.h"				\
-	compile-with	"${NORMAL_C}"					\
-	no-implicit-rule local
-ppbus_if.c		optional ppbus					\ 
-	dependency	"$S/kern/makedevops.pl $S/dev/ppbus/ppbus_if.m" \
-	compile-with	"perl5 $S/kern/makedevops.pl -c $S/dev/ppbus/ppbus_if.m" \
-	no-obj no-implicit-rule before-depend local			\
-	clean		"ppbus_if.c"
-ppbus_if.h		optional ppbus					\ 
-	dependency	"$S/kern/makedevops.pl $S/dev/ppbus/ppbus_if.m" \
-	compile-with	"perl5 $S/kern/makedevops.pl -h $S/dev/ppbus/ppbus_if.m" \
-	no-obj no-implicit-rule before-depend				\
-	clean		"ppbus_if.h"
 dev/ppbus/immio.c	optional vpo
 dev/ppbus/if_plip.c	optional plip
 dev/ppbus/lpbb.c	optional lpbb