diff --git a/release/alpha/dokern.sh b/release/alpha/dokern.sh
index e902cfc5a3e9..4757d75961ef 100755
--- a/release/alpha/dokern.sh
+++ b/release/alpha/dokern.sh
@@ -23,7 +23,6 @@ sed	\
 	-e '/DDB/d' \
 	-e '/INVARIANTS/d' \
 	-e '/INVARIANT_SUPPORT/d' \
-	-e '/WITNESS/d' \
 	-e '/SMP/d' \
 	-e '/	atapifd	/d' \
 	-e '/	atapist	/d' \
@@ -52,7 +51,6 @@ sed	\
 	-e '/	umass	/d' \
 	-e '/	ums	/d' \
 	-e '/	aue	/d' \
-	-e '/	axe	/d' \
 	-e '/	cue	/d' \
 	-e '/	kue	/d' \
 	-e '/	firewire	/d' \
diff --git a/release/pc98/dokern.sh b/release/pc98/dokern.sh
index 445783c17bf2..70608aaf2a7f 100755
--- a/release/pc98/dokern.sh
+++ b/release/pc98/dokern.sh
@@ -33,8 +33,6 @@ sed	-e 's/ident.*GENERIC/ident		BOOTMFS/g' \
 	-e '/	pass	/d' \
 	-e '/	ses	/d' \
 	-e '/	splash	/d' \
-	-e '/	apm$/d' \
-	-e '/	pmtimer$/d' \
 	-e '/	ppc$/d' \
 	-e '/	ppbus	/d' \
 	-e '/	lpt	/d' \
@@ -98,8 +96,6 @@ sed	-e 's/ident.*GENERIC/ident		BOOTMFS/g' \
 	-e '/	pass	/d' \
 	-e '/	ses	/d' \
 	-e '/	splash	/d' \
-	-e '/	apm$/d' \
-	-e '/	pmtimer$/d' \
 	-e '/	ppc$/d' \
 	-e '/	ppbus	/d' \
 	-e '/	lpt	/d' \