diff --git a/debian/freedombox.preinst b/debian/freedombox.preinst
deleted file mode 100755
index 0f04c2681..000000000
--- a/debian/freedombox.preinst
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/bin/sh
-
-set -e
-
-case "$1" in
-    upgrade)
-        # Handle removing freedombox-setup-repositories.timer from 20.5.
-        if dpkg --compare-versions "$2" le 20.7; then
-            if [ -x "/usr/bin/deb-systemd-invoke" ]; then
-               deb-systemd-invoke stop freedombox-setup-repositories.timer >/dev/null 2>/dev/null || true
-            fi
-
-            if [ -x "/usr/bin/deb-systemd-helper" ]; then
-                deb-systemd-helper purge freedombox-setup-repositories.timer >/dev/null || true
-                deb-systemd-helper unmask freedombox-setup-repositories.timer >/dev/null || true
-            fi
-
-            if [ -d /run/systemd/system ]; then
-                systemctl daemon-reload
-            fi
-        fi
-
-        # Handle removing freedombox-udiskie.service from 20.9.
-        if dpkg --compare-versions "$2" le 20.9; then
-            if [ -x "/usr/bin/deb-systemd-invoke" ]; then
-                deb-systemd-invoke stop freedombox-udiskie.service >/dev/null 2>/dev/null || true
-            fi
-
-            if [ -x "/usr/bin/deb-systemd-helper" ]; then
-                deb-systemd-helper purge freedombox-udiskie.service >/dev/null || true
-                deb-systemd-helper unmask freedombox-udiskie.service >/dev/null || true
-            fi
-
-            if [ -d /run/systemd/system ]; then
-                systemctl daemon-reload
-            fi
-        fi
-        ;;
-esac
-
-#DEBHELPER#
-
-exit 0