diff --git a/debian/freedombox.postinst b/debian/freedombox.postinst
deleted file mode 100755
index 940bce4a9..000000000
--- a/debian/freedombox.postinst
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/bin/sh
-
-set -e
-
-# Due to a change in sudo, now it runs PAM modules even on password-less
-# invocations. This leads to plinth not being able to run root privileges. This
-# is because of our own restrictions in /etc/security/access.conf. Since Plinth
-# is locked out after upgrade, we need to do this in postinst.
-sed -i 's+-:ALL EXCEPT root fbx (admin) (sudo):ALL+-:ALL EXCEPT root fbx plinth (admin) (sudo):ALL+' /etc/security/access.conf
-
-#DEBHELPER#
-
-exit 0