diff --git a/ruby-parallel/PKGBUILD b/ruby-parallel/PKGBUILD
deleted file mode 100644
index 5c1c4bc..0000000
--- a/ruby-parallel/PKGBUILD
+++ /dev/null
@@ -1,51 +0,0 @@
-# Maintainer: George Rawlinson <grawlinson@archlinux.org>
-# Contributor: Mario Finelli <mario at finel dot li>
-# Contributor: Benjamin Chrétien <chretien dot b plus aur at gmail dot com>
-
-pkgname=ruby-parallel
-_gemname="${pkgname#ruby-}"
-pkgver=1.22.1
-pkgrel=1
-pkgdesc='Ruby: parallel processing made simple and fast'
-arch=('any')
-url='https://github.com/grosser/parallel'
-license=('MIT')
-depends=('ruby')
-makedepends=('ruby-rdoc')
-options=('!emptydirs')
-source=("https://rubygems.org/downloads/$_gemname-$pkgver.gem")
-noextract=("$_gemname-$pkgver.gem")
-sha512sums=('b8e611cac5608d27e9d9d264575b2150af45240ef4503389b4a8d73443df0d8f8ca8a96f71e17208a84956aee47cc436eed80103f277d218444c3891167559eb')
-b2sums=('96b84e236b222d2571a6bb463c91509fd33590e3d7634bf7be8e45c523fa29f5c3f7b7bf797c86b4faf0a93085469a5dbdb92fbb13382d739777ddb5b27e73d9')
-
-package() {
-  local _gemdir="$(ruby -e'puts Gem.default_dir')"
-
-  gem install \
-    --verbose \
-    --ignore-dependencies \
-    --no-document \
-    --no-user-install \
-    --install-dir "$pkgdir/$_gemdir" \
-    --bindir "$pkgdir/usr/bin" \
-    "$_gemname-$pkgver.gem"
-
-  # delete cache
-  cd "$pkgdir/$_gemdir"
-  rm -vrf cache
-
-  # move license
-  cd "gems/$_gemname-$pkgver"
-  install -vd "$pkgdir/usr/share/licenses/$pkgname"
-  mv -vt "$pkgdir/usr/share/licenses/$pkgname" MIT-LICENSE.txt
-
-  # generate reproducible documentation
-  install -vd "$pkgdir/$_gemdir/doc/$_gemname-$pkgver"
-  cd "$pkgdir/$_gemdir/gems/$_gemname-$pkgver"
-  rdoc \
-    --format ri \
-    --output "$pkgdir$_gemdir/doc/$_gemname-$pkgver/ri" \
-    ./lib
-  # delete unnecessary rdoc metadata file
-  rm -f "$pkgdir$_gemdir/doc/$_gemname-$pkgver/ri/created.rid"
-}