diff --git a/sys/src/9/bcm/pi b/sys/src/9/bcm/pi
index 2772a1cba..0a04813a8 100644
--- a/sys/src/9/bcm/pi
+++ b/sys/src/9/bcm/pi
@@ -14,7 +14,7 @@ dev
 	tls
 	cap
 	fs
-	ip		arp chandial ip ipv6 ipaux iproute netlog nullmedium pktmedium ptclbsum inferno
+	ip		arp chandial ip ipv6 ipaux iproute netlog nullmedium pktmedium inferno
 	draw	screen swcursor
 	mouse	mouse
 	uart	gpio
diff --git a/sys/src/9/bcm/pi2 b/sys/src/9/bcm/pi2
index d6a53f4aa..08c3a1d71 100644
--- a/sys/src/9/bcm/pi2
+++ b/sys/src/9/bcm/pi2
@@ -14,7 +14,7 @@ dev
 	tls
 	cap
 	fs
-	ip		arp chandial ip ipv6 ipaux iproute netlog nullmedium pktmedium ptclbsum inferno
+	ip		arp chandial ip ipv6 ipaux iproute netlog nullmedium pktmedium inferno
 	draw	screen swcursor
 	mouse	mouse
 	uart	gpio