diff --git a/Formula/mariadb@10.0.rb b/Formula/mariadb@10.0.rb
deleted file mode 100644
index 9ecfc690a3..0000000000
--- a/Formula/mariadb@10.0.rb
+++ /dev/null
@@ -1,135 +0,0 @@
-class MariadbAT100 < Formula
-  desc "Drop-in replacement for MySQL"
-  homepage "https://mariadb.org/"
-  url "https://downloads.mariadb.org/f/mariadb-10.0.38/source/mariadb-10.0.38.tar.gz"
-  sha256 "022620ebeb4fb3744d101e72443ec55b4585e7d9a3d8c92aa846bc30e6808ac1"
-  revision 1
-
-  bottle do
-    sha256 "61dce8da7abdbbc2d7dd43374651d541a62a4df2c6a5439951a69726fcbc56f7" => :catalina
-    sha256 "f47bb89afee0eeff749247dc36c22a0755956b9aa3feb1d2b5050be516e7625a" => :mojave
-    sha256 "503f383f9a006ac25ea458b63e996c0fc5b25335fdcfe96ed76c4004ed4da30a" => :high_sierra
-    sha256 "e5a2cd7bd8c641d95ec73a8a02a5387d568d061ac2b09829ef651080a66cbc76" => :sierra
-  end
-
-  keg_only :versioned_formula
-
-  depends_on "cmake" => :build
-  depends_on "openssl@1.1"
-
-  def install
-    # Set basedir and ldata so that mysql_install_db can find the server
-    # without needing an explicit path to be set. This can still
-    # be overridden by calling --basedir= when calling.
-    inreplace "scripts/mysql_install_db.sh" do |s|
-      s.change_make_var! "basedir", "\"#{prefix}\""
-      s.change_make_var! "ldata", "\"#{var}/mysql\""
-    end
-
-    # -DINSTALL_* are relative to prefix
-    args = %W[
-      -DMYSQL_DATADIR=#{var}/mysql
-      -DINSTALL_INCLUDEDIR=include/mysql
-      -DINSTALL_MANDIR=share/man
-      -DINSTALL_DOCDIR=share/doc/#{name}
-      -DINSTALL_INFODIR=share/info
-      -DINSTALL_MYSQLSHAREDIR=share/mysql
-      -DWITH_PCRE=bundled
-      -DWITH_READLINE=yes
-      -DWITH_SSL=yes
-      -DWITH_UNIT_TESTS=OFF
-      -DDEFAULT_CHARSET=utf8mb4
-      -DDEFAULT_COLLATION=utf8mb4_general_ci
-      -DINSTALL_SYSCONFDIR=#{etc}
-      -DCOMPILATION_COMMENT=Homebrew
-    ]
-
-    # disable TokuDB, which is currently not supported on Mac OS X
-    args << "-DWITHOUT_TOKUDB=1"
-
-    system "cmake", ".", *std_cmake_args, *args
-    system "make"
-    system "make", "install"
-
-    # Fix my.cnf to point to #{etc} instead of /etc
-    (etc+"my.cnf.d").mkpath
-    inreplace "#{etc}/my.cnf", "!includedir /etc/my.cnf.d",
-                               "!includedir #{etc}/my.cnf.d"
-    touch etc/"my.cnf.d/.homebrew_dont_prune_me"
-
-    # Don't create databases inside of the prefix!
-    # See: https://github.com/Homebrew/homebrew/issues/4975
-    rm_rf prefix+"data"
-
-    # Save space
-    (prefix+"mysql-test").rmtree
-    (prefix+"sql-bench").rmtree
-
-    # Link the setup script into bin
-    bin.install_symlink prefix/"scripts/mysql_install_db"
-
-    # Fix up the control script and link into bin
-    inreplace "#{prefix}/support-files/mysql.server", /^(PATH=".*)(")/, "\\1:#{HOMEBREW_PREFIX}/bin\\2"
-
-    bin.install_symlink prefix/"support-files/mysql.server"
-
-    # Install my.cnf that binds to 127.0.0.1 by default
-    (buildpath/"my.cnf").write <<~EOS
-      # Default Homebrew MySQL server config
-      [mysqld]
-      # Only allow connections from localhost
-      bind-address = 127.0.0.1
-    EOS
-    etc.install "my.cnf"
-  end
-
-  def post_install
-    # Make sure the var/mysql directory exists
-    (var+"mysql").mkpath
-    unless File.exist? "#{var}/mysql/mysql/user.frm"
-      ENV["TMPDIR"] = nil
-      system "#{bin}/mysql_install_db", "--verbose", "--user=#{ENV["USER"]}",
-        "--basedir=#{prefix}", "--datadir=#{var}/mysql", "--tmpdir=/tmp"
-    end
-  end
-
-  def caveats; <<~EOS
-    A "/etc/my.cnf" from another install may interfere with a Homebrew-built
-    server starting up correctly.
-
-    MySQL is configured to only allow connections from localhost by default
-
-    To connect:
-        mysql -uroot
-  EOS
-  end
-
-  plist_options :manual => "#{HOMEBREW_PREFIX}/opt/mariadb@10.0/bin/mysql.server start"
-
-  def plist; <<~EOS
-    <?xml version="1.0" encoding="UTF-8"?>
-    <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-    <plist version="1.0">
-    <dict>
-      <key>KeepAlive</key>
-      <true/>
-      <key>Label</key>
-      <string>#{plist_name}</string>
-      <key>ProgramArguments</key>
-      <array>
-        <string>#{opt_bin}/mysqld_safe</string>
-        <string>--datadir=#{var}/mysql</string>
-      </array>
-      <key>RunAtLoad</key>
-      <true/>
-      <key>WorkingDirectory</key>
-      <string>#{var}</string>
-    </dict>
-    </plist>
-  EOS
-  end
-
-  test do
-    system "#{bin}/mysqld", "--version"
-  end
-end
diff --git a/formula_renames.json b/formula_renames.json
index 14f112e9c0..9b2a957fea 100644
--- a/formula_renames.json
+++ b/formula_renames.json
@@ -120,7 +120,6 @@
   "lua51": "lua@5.1",
   "lua@5.3": "lua",
   "mapnik2": "mapnik@2",
-  "mariadb100": "mariadb@10.0",
   "mat": "mat2",
   "maven31": "maven@3.1",
   "maven32": "maven@3.2",