Index: linux-2.6.23-rc6/net/netfilter/Kconfig
===================================================================
--- linux-2.6.23-rc6.orig/net/netfilter/Kconfig	2007-09-21 16:24:03.000000000 +0800
+++ linux-2.6.23-rc6/net/netfilter/Kconfig	2007-09-21 16:24:04.000000000 +0800
@@ -143,7 +143,7 @@
 
 config NF_CONNTRACK_H323
 	tristate "H.323 protocol support (EXPERIMENTAL)"
-	depends on EXPERIMENTAL && NF_CONNTRACK && (IPV6 || IPV6=n)
+	depends on EXPERIMENTAL && NF_CONNTRACK
 	help
 	  H.323 is a VoIP signalling protocol from ITU-T. As one of the most
 	  important VoIP protocols, it is widely used by voice hardware and
@@ -403,7 +403,7 @@
 
 config NETFILTER_XT_TARGET_TCPMSS
 	tristate '"TCPMSS" target support'
-	depends on NETFILTER_XTABLES && (IPV6 || IPV6=n)
+	depends on NETFILTER_XTABLES
 	---help---
 	  This option adds a `TCPMSS' target, which allows you to alter the
 	  MSS value of TCP SYN packets, to control the maximum size for that