diff --git a/extra/kdeedu-kalzium/PKGBUILD b/extra/kdeedu-kalzium/PKGBUILD
deleted file mode 100644
index 3dab4201b..000000000
--- a/extra/kdeedu-kalzium/PKGBUILD
+++ /dev/null
@@ -1,34 +0,0 @@
-# $Id$
-# Maintainer: Felix Yan <felixonmars@archlinux.org>
-# Contributor: Andrea Scarpino <andrea@archlinux.org>
-
-# ALARM: Kevin Mihelich <kevin@archlinuxarm.org>
-#  - drop avogadro depend for now: GL-only
-
-pkgname=kdeedu-kalzium
-pkgver=16.08.3
-pkgrel=1
-pkgdesc="Periodic Table of Elements"
-url="http://kde.org/applications/education/kalzium/"
-arch=('i686' 'x86_64')
-license=('GPL' 'LGPL' 'FDL')
-groups=('kde-applications' 'kdeedu')
-depends=('kdebase-runtime' 'chemical-mime-data')
-makedepends=('cmake' 'automoc4' 'mesa' 'eigen' 'facile' 'ocaml')
-source=("http://download.kde.org/stable/applications/${pkgver}/src/kalzium-${pkgver}.tar.xz")
-sha1sums=('ca68516e652e5adeb74ea11f51c3ed71859dd42c')
-
-build() {
-  mkdir -p build
-  cd build
-  cmake ../kalzium-${pkgver} \
-    -DCMAKE_BUILD_TYPE=Release \
-    -DKDE4_BUILD_TESTS=OFF \
-    -DCMAKE_INSTALL_PREFIX=/usr
-  make
-}
-
-package() {
-  cd build
-  make DESTDIR="${pkgdir}" install
-}