How to strip the IPv6 stuff to make room in a tiny device?

@Uqbar wrote:

Thanks.
I tried with

make image PROFILE=tl-mr3020-v1 CONFIG_IPV6=n\
  PACKAGES="uhttpd uhttpd-mod-ubus libiwinfo-lua libc luci-base luci-app-firewall libustream-mbedtls px5g luci-mod-admin-full luci-theme-bootstrap luci-app-commands -luci-app-watchcat -watchcat -ppp -ppp-mod-pppoe -luci-proto-ppp -luci-proto-ipv6 -ip6tables -odhcp6c -kmod-ipv6 -kmod-ip6tables -libip6tc

I finally got rid of luci-proto-ipv6 but am still getting libip6tc pulled in.

Again, I think this is a dependency issue:

root@LEDE:~# opkg remove libip6tc
No packages removed.
Collected errors:
 * print_dependents_warning: Package libip6tc is depended upon by packages:
 * print_dependents_warning:    firewall
 * print_dependents_warning:    iptables
 * print_dependents_warning: These might cease to work if package libip6tc is removed.

 * print_dependents_warning: Force removal of this package with --force-depends.
 * print_dependents_warning: Force removal of this package and its dependents
 * print_dependents_warning: with --force-removal-of-dependent-packages.

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