diff --git a/z-push/PKGBUILD b/z-push/PKGBUILD
index 88ccd44..e62da57 100644
--- a/z-push/PKGBUILD
+++ b/z-push/PKGBUILD
@@ -18,9 +18,6 @@ pkgname=(
   'z-push-autodiscover'
   # device state
   'z-push-state-sql'
-  # not *exactly* supported
-  #'z-push-backend-stickynote'
-  # no kopano packages, maintainer does not utilise them
 )
 pkgver=2.6.4
 pkgrel=1
@@ -37,14 +34,6 @@ source=(
 b2sums=('f1686a9b00a3a1427d2a1ce383dbc92f0156be8a2f2b901dda2e9c3be6fbef921a69f90d8e84f3962667742f98405eceb51fb139a8f33aa6094008f7b84f16ee'
         '549a61faeed3762ab81ce649eae93ea6cac218740d8bfb022ceef045d5a23eb14b4f94d3cc4065b6c16b8de23f716d2ad10323376c662b54d2dfbbf33cbf1be1'
         '23a9402bfe309b0e2f509c4f6d250c4b8cb985af358659170563b7393c17de168d8dea5fc1e6222f658b005cf1b2bd00afd0cdf19fc3e150645b9edd29a8cd01')
-#noextract=("$pkgbase-$pkgver.tar.gz")
-
-#prepare() {
-#  mkdir "$pkgname-$pkgver"
-#  bsdtar \
-#    --directory "$pkgname-$pkgver" \
-#    --extract --file "$srcdir/$pkgname-$pkgver.tar.gz"
-#}
 
 package_z-push-common() {
   depends=(
@@ -64,7 +53,6 @@ package_z-push-common() {
     'z-push-autodiscover: to utilise AutoDiscover'
     'z-push-state-sql: to store device state in a SQL database'
   )
-  install="$pkgname.install"
   backup=(
     'etc/z-push/z-push.conf.php'
     'etc/z-push/policies.ini'
@@ -312,26 +300,4 @@ package_z-push-state-sql() {
   ln -sfv /etc/z-push/state-sql.conf.php "$pkgdir/usr/share/$pkgbase/backend/sqlstatemachine/config.php"
 }
 
-#package_z-push-backend-stickynote() {
-#  pkgdesc="Enables Z-Push to use a PostgreSQL database for notes"
-#  depends=('z-push-common')
-#  optdepends=(
-#    'php-pgsql: to use the PostgreSQL database backend'
-#    'postgresql: to use a local PostgreSQL database'
-#  )
-#  install='stickynote.install'
-#  backup=('etc/z-push/stickynote.conf.php')
-#
-#  cd src/backend/stickynote
-#
-#  # package backend/stickynote
-#  install -vDm644 -t "$pkgdir/usr/share/$pkgbase/backend/stickynote" stickynote.php
-#
-#  # configuration
-#  install -vDm644 config.php "$pkgdir/etc/$pkgbase/stickynote.conf.php"
-#  ln -sfv /etc/z-push/stickynote.conf.php "$pkgdir/usr/share/$pkgbase/backend/stickynote/config.php"
-#
-#  # documentation
-#  install -vDm644 -t "$pkgdir/usr/share/doc/$pkgbase/stickynote" \
-#    AUTHOR REQUIREMENTS create-sticky-tables.sql
-#}
+# vim:set ts=2 sw=2 et:
diff --git a/z-push/stickynote.install b/z-push/stickynote.install
deleted file mode 100644
index 28d7362..0000000
--- a/z-push/stickynote.install
+++ /dev/null
@@ -1,5 +0,0 @@
-post_install() {
-	echo ""
-	echo "Documentation for the SQL schema can be found in /usr/share/doc/z-push/stickynote"
-	echo ""
-}
diff --git a/z-push/z-push-common.install b/z-push/z-push-common.install
deleted file mode 100644
index a668266..0000000
--- a/z-push/z-push-common.install
+++ /dev/null
@@ -1,12 +0,0 @@
-post_install() {
-	cat >&2 <<-EOF
-
-Z-Push requires at least one of each:
-
-* z-push-backend-*
-* z-push-ipc-*
-
-Otherwise it will not work properly.
-
-EOF
-}