diff --git a/README.md b/README.md
index d54c173..6a6623d 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,6 @@ Table of contents
 * [Dependencies](#dependencies)
 * [Build](#build)
 * [System configuration](#system-configuration)
-* [TODO](#todo)
 
 
 
@@ -61,17 +60,3 @@ The following information can be helpful when you connect:
 * SSH host keys are generated at first startup,
   so fingerprint is different for each installation of the same image
 * User has passwordless sudo
-
-
-
-TODO
-----
-
-* [ ] Firewall
-* [ ] Wi-Fi switcher
-* [ ] 3G/4G dongle
-* [ ] Use Debian armhf instead of Raspbian
-* [ ] Upgrade from Debian 8 Jessie to Debian 9 Stretch
-* [x] Use sysvinit instead of systemd
-* [ ] Use custom kernel
-* [ ] Build own distribution from scratch
diff --git a/build.sh b/build.sh
index 9a4d6dc..00def2b 100644
--- a/build.sh
+++ b/build.sh
@@ -132,15 +132,6 @@ apt-get dist-upgrade -y
 apt-get autoremove -y --purge
 EOF
 
-##
-# Replace systemd with sysvinit.
-#
-on_chroot << EOF
-apt-get install -y sysvinit-core
-apt-get purge -y systemd systemd-sysv
-apt-get autoremove -y --purge
-EOF
-
 ##
 # Install kernel and bootloader.
 #