diff --git a/Formula/astrometry-net.rb b/Formula/astrometry-net.rb
deleted file mode 100644
index ae3f3bdb..00000000
--- a/Formula/astrometry-net.rb
+++ /dev/null
@@ -1,62 +0,0 @@
-class AstrometryNet < Formula
-  desc "Automatic identification of astronomical images"
-  homepage "http://astrometry.net"
-  url "http://astrometry.net/downloads/astrometry.net-0.73.tar.gz"
-  sha256 "27dcaa820db51cda65c23c71d40ea06bda53e13a658ec8e94b39c65ac6584368"
-  head "https://github.com/dstndstn/astrometry.net.git"
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 cellar: :any, high_sierra:  "6370ad57a1a5f3a7569caf87201d5a3726dc0181a902c423009a244265d092de"
-    sha256 cellar: :any, sierra:       "1d749e2a0bd3c69012dbf8bfb2e1ac1971f68cc8e932361b57d0354c085f66ca"
-    sha256 cellar: :any, el_capitan:   "74a3f7c9ac9a7c3263431194789c691a7f98fc2186fcbec1dbb52aaf9d73db2e"
-    sha256 cellar: :any, x86_64_linux: "c4f85a0037ba25a08f2038ff8b1eeb8d999015484c1f30e7f5479a8f9c6f0418"
-  end
-
-  option "without-extras",
-"Don't try to build plotting code (actually it will still try, but homebrew won't halt the install if it fails)"
-
-  depends_on "pkg-config" => :build
-  depends_on "swig" => :build
-  depends_on "cairo"
-  depends_on "cfitsio"
-  depends_on "gsl"
-  depends_on "jpeg"
-  depends_on "libpng"
-  depends_on "netpbm"
-  depends_on "numpy"
-  depends_on "wcslib"
-  depends_on "wget" if OS.mac?
-
-  # this formula includes python bindings
-  depends_on "python" => :recommended
-
-  resource "pyfits" do
-    url "https://files.pythonhosted.org/packages/45/98/d6d25932e6a82fa8456d38ab307bfb8945a1e1dd4e896730555e3b61cfc5/pyfits-3.4.tar.gz"
-    sha256 "ce0319cf6ef40846c5915202e4c8bd8d293ad85af4b14aa5a60fb285b7538c4b"
-  end
-
-  def install
-    ENV["INSTALL_DIR"] = prefix
-    ENV["NETPBM_INC"] = "-I#{Formula["netpbm"].opt_include}/netpbm"
-    ENV["NETPBM_LIB"] = "-L#{Formula["netpbm"].opt_lib} -lnetpbm"
-    ENV["SYSTEM_GSL"] = "yes"
-
-    if build.with? "python"
-      ENV.prepend_create_path "PYTHONPATH", libexec/"lib/python2.7/site-packages"
-      resource("pyfits").stage do
-        system "python", *Language::Python.setup_install_args(libexec)
-      end
-    end
-
-    system "make"
-    system "make", "py" if build.with? "python"
-    system "make", "extra" if build.with? "extras"
-    system "make", "test"
-    system "make", "install"
-  end
-
-  test do
-    system "#{bin}/solve-field"
-  end
-end
diff --git a/Formula/blis.rb b/Formula/blis.rb
deleted file mode 100644
index 23a1cc69..00000000
--- a/Formula/blis.rb
+++ /dev/null
@@ -1,57 +0,0 @@
-class Blis < Formula
-  desc "BLAS-like Library Instantiation Software Framework"
-  homepage "https://github.com/flame/blis"
-  url "https://github.com/flame/blis/archive/0.2.1.tar.gz"
-  sha256 "45087029417934011bf4ebefff24f1ff228299e324238170c08bc858ffae0dbf"
-  head "https://github.com/flame/blis.git"
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 cellar: :any, sierra:     "cf0e1e538924bf819fc37282dcdefd7d73baefd17d6ceee796f2592e656479ea"
-    sha256 cellar: :any, el_capitan: "964fbe2656d2f991879c5361b8ffa4132f70fe733ec0f596d3ac6152ae82dd19"
-    sha256 cellar: :any, yosemite:   "46112ec1a9dda5cfa5f66974d54d0ccdf809e5fcc3507b0caf1bf5ca2dd6436c"
-  end
-
-  option "with-configuration=",
-      "BLIS framework configuration name (default: reference)\n" \
-      "\thttps://github.com/flame/blis/wiki/BuildSystem" \
-      "#step-1-choose-a-framework-configuration"
-
-  option "without-test", "Skip build-time tests (not recommended)"
-  option "without-shared", "Do not build as a shared library"
-  option "without-static", "Do not build as a static library"
-
-  deprecated_option "without-check" => "without-test"
-
-  depends_on "gcc"
-
-  fails_with :clang do
-    cause "make_defs.mk:51: *** gcc is required for this configuration"
-  end
-
-  def install
-    raise "Must build either a static or a shared library" if build.without?("shared") && build.without?("static")
-
-    system "./configure",
-        "-p#{prefix}",
-        ARGV.value("with-configuration") || "reference"
-    if build.with? "test"
-      system "make", "test"
-      prefix.install "output.testsuite"
-    end
-    system "make", "install",
-        "BLIS_ENABLE_DYNAMIC_BUILD=" + (build.with?("shared") ? "yes" : "no"),
-        "BLIS_ENABLE_STATIC_BUILD=" + (build.with?("static") ? "yes" : "no")
-  end
-
-  def caveats
-    unless ARGV.value("with-configuration")
-      <<~EOS
-        BLIS was built with the reference configuration.  Performance is
-        highly-dependent on the selected configuration and may not be optimal
-        for this system.  Please consider specifying the --with-configuration
-        option when installing BLIS if performance is important.
-      EOS
-    end
-  end
-end
diff --git a/Formula/cdo.rb b/Formula/cdo.rb
deleted file mode 100644
index d4545c3d..00000000
--- a/Formula/cdo.rb
+++ /dev/null
@@ -1,49 +0,0 @@
-class Cdo < Formula
-  desc "Operators to manipulate and analyse climate and NWP model data"
-  homepage "https://code.zmaw.de/projects/cdo"
-  url "https://code.mpimet.mpg.de/attachments/download/16035/cdo-1.9.2.tar.gz"
-  sha256 "d1c5092167034a48e4b8ada24cf78a1d4b84e364ffbb08b9ca70d13f428f300c"
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 cellar: :any, high_sierra:  "787310ee2158732c70585046aada3e8d79b77ae47c635505e73e19c5e7caefd6"
-    sha256 cellar: :any, sierra:       "76253eaeb404fd01e949e59d43ec2fba66b2154c7b026ad032ac22f7330513b9"
-    sha256 cellar: :any, el_capitan:   "9cc65d5e6a09abbfc6af4db8537fce8670c020f54feb18cf676c87cf144e49a4"
-    sha256 cellar: :any, x86_64_linux: "0041fb06c97abc2bfaf7a0f375f7105534d026da2fed25ad3de27eba6a0d897f"
-  end
-
-  option "with-grib2", "Compile Fortran bindings"
-  option "with-openmp", "Compile with OpenMP support"
-  deprecated_option "enable-grib2" => "with-grib2"
-
-  if build.with? "grib2"
-    depends_on "grib-api"
-    depends_on "jasper"
-  end
-
-  needs :openmp if build.with? "openmp"
-
-  depends_on "hdf5"
-  depends_on "netcdf"
-  depends_on "szip"
-
-  def install
-    args = ["--disable-debug", "--disable-dependency-tracking",
-            "--prefix=#{prefix}", "LIBS=-lhdf5",
-            "--with-netcdf=#{Formula["netcdf"].opt_prefix}",
-            "--with-hdf5=#{Formula["hdf5"].opt_prefix}",
-            "--with-szlib=#{Formula["szip"].opt_prefix}"]
-
-    if build.with? "grib2"
-      args << "--with-grib_api=#{Formula["grib-api"].opt_prefix}"
-      args << "--with-jasper=#{Formula["jasper"].opt_prefix}"
-    end
-
-    system "./configure", *args
-    system "make", "install"
-  end
-
-  test do
-    system "#{bin}/cdo", "-h"
-  end
-end
diff --git a/Formula/cgns.rb b/Formula/cgns.rb
deleted file mode 100644
index 65f4cef4..00000000
--- a/Formula/cgns.rb
+++ /dev/null
@@ -1,66 +0,0 @@
-class Cgns < Formula
-  desc "CFD General Notation System"
-  homepage "http://cgns.org/"
-  url "https://github.com/CGNS/CGNS/archive/v3.3.1.tar.gz"
-  sha256 "81093693b2e21a99c5640b82b267a495625b663d7b8125d5f1e9e7aaa1f8d469"
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 sierra:       "fbe0a2d65790e3acc942bbb851b6f4eb6ad2f9e52fbc86d373a0cb4c0f299e95"
-    sha256 el_capitan:   "b2635b61047108a422540b66cccebc927a0ebc738e5d2091c3d3e0a9e9127890"
-    sha256 yosemite:     "27d4705b7b09b7c5991be0b8779a239301227196777d053f7e9e974680597705"
-    sha256 x86_64_linux: "9fcd6ee301f553ff0b4c174eda6de21593f991f9f8ecd22152b377a5b5a85a42"
-  end
-
-  deprecated_option "with-fortran" => "with-gcc"
-
-  depends_on "cmake" => :build
-  depends_on "szip"
-  depends_on "hdf5" => :recommended
-  depends_on "gcc" => :optional if OS.mac? # for gfortran
-
-  def install
-    args = std_cmake_args + [
-      "-DCGNS_ENABLE_TESTS=YES",
-    ]
-
-    args << "-DCGNS_ENABLE_64BIT=YES" if Hardware::CPU.is_64_bit?
-    args << "-DCGNS_ENABLE_FORTRAN=YES" if build.with? "fortran"
-
-    if build.with? "hdf5"
-      args << "-DCGNS_ENABLE_HDF5=YES"
-      args << "-DHDF5_NEED_ZLIB=YES"
-      args << "-DHDF5_NEED_SLIB=YES"
-      args << "-DCMAKE_SHARED_LINKER_FLAGS=-lhdf5"
-    end
-
-    mkdir "build" do
-      system "cmake", "..", *args
-      system "make"
-      system "ctest", "--output-on-failure"
-      system "make", "install"
-    end
-  end
-
-  test do
-    (testpath/"test.c").write <<~EOS
-      #include <stdio.h>
-      #include "cgnslib.h"
-      int main(int argc, char *argv[])
-      {
-        int filetype = CG_FILE_NONE;
-        // we expect this to fail, as the test executable isn't a CGNS file
-        if (cg_is_cgns(argv[0], &filetype) != CG_ERROR)
-          return 1; // should fail!
-        printf(\"%d.%d.%d\\n\",CGNS_VERSION/1000,(CGNS_VERSION/100)%10,(CGNS_VERSION/10)%10);
-        return 0;
-      }
-    EOS
-    compiler = Tab.for_name("cgns").with?("hdf5") ? "h5cc" : ENV.cc
-    # The rpath to szip needs to be passed explicitely here because the
-    # compiler may be h5cc (Superenv is not supported in that case)
-    rpath = "-Wl,-rpath=#{Formula["szip"].opt_lib}" unless OS.mac?
-    system compiler, "-I#{opt_include}", testpath/"test.c", "-L#{opt_lib}", "-lcgns", *rpath
-    assert_match(/#{version}/, shell_output("./a.out"))
-  end
-end
diff --git a/Formula/fplll.rb b/Formula/fplll.rb
deleted file mode 100644
index f94dc53e..00000000
--- a/Formula/fplll.rb
+++ /dev/null
@@ -1,48 +0,0 @@
-class Fplll < Formula
-  desc "Lattice algorithms using floating-point arithmetic"
-  homepage "https://github.com/fplll/fplll"
-  # tag "math"
-  url "https://github.com/fplll/fplll/releases/download/5.2.0/fplll-5.2.0.tar.gz"
-  sha256 "75e17fcaa4fc5fdddbe6eb42aca5f38c4c169a4b52756e74fbe2d1769737ac9c"
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 sierra:       "30e57a63f3f73b7c6c0bf2483b77302e7f850c764b4676f9aaca75b2a8be7e13"
-    sha256 el_capitan:   "36ace8be9340aa6cf29ed1d431f56e0c8df9064005334d9ffae14aaf039ce7a3"
-    sha256 x86_64_linux: "46430c3ce03a664c7a14f22335bbfe99728a77f08e9447bca95ce5be66c42011"
-  end
-
-  option "without-test", "Disable build-time checking (not recommended)"
-
-  depends_on "gmp"
-  depends_on "mpfr"
-
-  def install
-    ENV.cxx11
-    system "./configure", "--prefix=#{prefix}",
-                          "--with-gmp=#{Formula["gmp"].opt_prefix}",
-                          "--with-mpfr=#{Formula["mpfr"].opt_prefix}"
-    system "make"
-    system "make", "check" if build.with? "test"
-    system "make", "install"
-  end
-
-  test do
-    ENV.cxx11
-    (testpath/"test.cpp").write <<~EOS
-      // inspired from ./tests/test_lll.cpp
-      #include <fplll.h>
-
-      int main()
-      {
-        fplll::ZZ_mat<mpz_t> A;
-        A.resize(50, 50 + 1); // construct 50 × (50+1) integer relations matrix
-        A.gen_intrel(1000);   // generate 1000-bit coefficients
-        return fplll::lll_reduction(A, LLL_DEF_DELTA, LLL_DEF_ETA, LM_PROVED, FT_MPFR, 0, LLL_DEFAULT);
-      }
-    EOS
-    cxx_with_flags = ENV.cxx.split + ["test.cpp", "-lgmp", "-lmpfr", "-lfplll", "-o", "test"]
-    system(*cxx_with_flags)
-    system "./test"
-  end
-end
diff --git a/Formula/g2o.rb b/Formula/g2o.rb
deleted file mode 100644
index 0e4b7849..00000000
--- a/Formula/g2o.rb
+++ /dev/null
@@ -1,39 +0,0 @@
-class G2o < Formula
-  desc "General Framework for Graph Optimization"
-  homepage "https://openslam.org/g2o.html"
-  url "https://github.com/RainerKuemmerle/g2o/archive/20170730_git.tar.gz"
-  version "2017-07-30"
-  sha256 "799a7a943de423f7514c6cfdc7ed1c7393a15a73ff88aa07ad3fdd571d777d22"
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 sierra:     "5c1104b9f44890e978d249d42bc84f7ad41d36077ca316b6fb0b350dc3ddf899"
-    sha256 el_capitan: "48a5f69bb96f362b3e37bbebe5731a902bc52d75e14133f9435f096919e8131b"
-    sha256 yosemite:   "54bc2c08aaf6772ffd319e35897fab72ae30a4a06c6083e207f36ed1228a3235"
-  end
-
-  depends_on "cmake" => :build
-  depends_on "eigen"
-  depends_on "suite-sparse" => :recommended
-
-  def install
-    cmake_args = ["-DBUILD_CSPARSE=" + ((build.with? "suite-sparse") ? "OFF" : "ON")]
-    mkdir "build" do
-      system "cmake", "..", *(std_cmake_args + cmake_args)
-      system "make", "install"
-    end
-    pkgshare.install "g2o/examples"
-  end
-
-  test do
-    cp_r pkgshare/"examples/simple_optimize", testpath
-    libs = %w[-lg2o_core -lg2o_csparse_extension -lg2o_solver_csparse -lg2o_stuff -lg2o_types_slam2d
-              -lg2o_types_slam3d]
-    cd "simple_optimize" do
-      system ENV.cxx, "-std=c++11", "simple_optimize.cpp", "-I#{opt_include}",
-"-I#{Formula["eigen"].opt_include}/eigen3", "-o", "simple_optimize", "-L#{Formula["suite-sparse"].opt_lib}", "-lcxsparse", "-L#{opt_lib}", *libs
-      system "curl", "-k", "-O", "https://svn.openslam.org/data/svn/g2o/trunk/data/2d/intel/intel.g2o"
-      system "./simple_optimize", "intel.g2o"
-    end
-  end
-end
diff --git a/Formula/graph-tool.rb b/Formula/graph-tool.rb
deleted file mode 100644
index 086661af..00000000
--- a/Formula/graph-tool.rb
+++ /dev/null
@@ -1,105 +0,0 @@
-class GraphTool < Formula
-  desc "Efficient network analysis"
-  homepage "https://graph-tool.skewed.de/"
-  url "https://downloads.skewed.de/graph-tool/graph-tool-2.26.tar.bz2"
-  sha256 "df6273dc5ef327a0eaf1ef1c46751fce4c0b7573880944e544287b85a068f770"
-  revision 1
-
-  head do
-    url "https://git.skewed.de/count0/graph-tool.git"
-
-    depends_on "autoconf" => :build
-    depends_on "automake" => :build
-    depends_on "libtool" => :build
-  end
-
-  option "without-cairo", "Build without cairo support for plotting"
-  option "without-gtk+3", "Build without gtk+3 support for interactive plotting"
-  option "without-matplotlib", "Use a matplotlib you've installed yourself instead of a Homebrew-packaged matplotlib"
-  option "without-numpy", "Use a numpy you've installed yourself instead of a Homebrew-packaged numpy"
-  option "without-python", "Build without python2 support"
-  option "without-scipy", "Use a scipy you've installed yourself instead of a Homebrew-packaged scipy"
-  option "with-openmp", "Enable OpenMP multithreading"
-
-  with_pythons = build.with?("python3") ? ["with-python3"] : []
-
-  depends_on "pkg-config" => :build
-  depends_on "boost"
-  depends_on "boost-python" => with_pythons
-  depends_on "cairomm" if build.with? "cairo"
-  depends_on "cgal"
-  depends_on macos: :el_capitan # Yosemite build fails with Boost >=1.64.0 due to thread-local storage error
-  depends_on "google-sparsehash" => :recommended
-  depends_on "gtk+3" => :recommended
-  depends_on "matplotlib" => [:recommended] + with_pythons
-  depends_on "numpy" => [:recommended] + with_pythons
-  depends_on "scipy" => [:recommended] + with_pythons
-  depends_on "python3" => :optional
-
-  if build.with? "cairo"
-    depends_on "py2cairo" if build.with? "python"
-    depends_on "py3cairo" if build.with? "python3"
-  end
-
-  if build.with? "gtk+3"
-    depends_on "gnome-icon-theme"
-    depends_on "librsvg" => "with-gtk+3"
-    depends_on "pygobject3" => with_pythons
-  end
-
-  fails_with gcc: "4.8" do
-    cause "We need GCC 5.0 or above for sufficient c++14 support"
-  end
-  fails_with gcc: "4.9" do
-    cause "We need GCC 5.0 or above for sufficient c++14 support"
-  end
-
-  needs :openmp if build.with? "openmp"
-
-  def install
-    system "./autogen.sh" if build.head?
-
-    config_args = %W[
-      --disable-debug
-      --disable-dependency-tracking
-      --prefix=#{prefix}
-    ]
-
-    # fix issue with boost + gcc with C++11/C++14
-    ENV.append "CXXFLAGS", "-fext-numeric-literals" unless ENV.compiler == :clang
-    config_args << "--disable-cairo" if build.without? "cairo"
-    config_args << "--disable-sparsehash" if build.without? "google-sparsehash"
-    config_args << "--enable-openmp" if build.with? "openmp"
-
-    Language::Python.each_python(build) do |python, version|
-      config_args_x = ["PYTHON=#{python}"]
-      if OS.mac?
-        config_args_x << "PYTHON_LDFLAGS=-undefined dynamic_lookup"
-        config_args_x << "PYTHON_LIBS=-undefined dynamic_lookup"
-        config_args_x << "PYTHON_EXTRA_LIBS=-undefined dynamic_lookup"
-      end
-      config_args_x << "--with-python-module-path=#{lib}/python#{version}/site-packages"
-
-      if python == "python3"
-        inreplace "configure", "libboost_python", "libboost_python3"
-        inreplace "configure", "ax_python_lib=boost_python", "ax_python_lib=boost_python3"
-      end
-
-      mkdir "build-#{python}-#{version}" do
-        system "../configure", *(config_args + config_args_x)
-        system "make", "install"
-      end
-    end
-  end
-
-  test do
-    Pathname("test.py").write <<~EOS
-      import graph_tool.all as gt
-      g = gt.Graph()
-      v1 = g.add_vertex()
-      v2 = g.add_vertex()
-      e = g.add_edge(v1, v2)
-    EOS
-    Language::Python.each_python(build) { |python, _| system python, "test.py" }
-  end
-end
diff --git a/Formula/libcerf.rb b/Formula/libcerf.rb
deleted file mode 100644
index 45c81289..00000000
--- a/Formula/libcerf.rb
+++ /dev/null
@@ -1,40 +0,0 @@
-class Libcerf < Formula
-  desc "Efficient implementation of complex error functions"
-  homepage "http://apps.jcns.fz-juelich.de/doku/sc/libcerf"
-  url "http://apps.jcns.fz-juelich.de/src/libcerf/libcerf-1.5.tgz"
-  sha256 "e36dc147e7fff81143074a21550c259b5aac1b99fc314fc0ae33294231ca5c86"
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 cellar: :any, sierra:       "5f83e48ae2d92abbfc75d8807944371c926f3fe3c991c119e3243bd14cf1481f"
-    sha256 cellar: :any, el_capitan:   "9bd8e5eda457b6ce7e78bdd56bb50e8d4185747d024c0d1973bb00f5dc01a800"
-    sha256 cellar: :any, yosemite:     "91a46dd259e87aa1f803e62b15fe760498b03010662bfaa57d2e5a71a82b5063"
-    sha256 cellar: :any, x86_64_linux: "5a562cb94015f3a4d75a9caae77d36e4072ade6e5a58b41bbbb588769d8f43dc"
-  end
-
-  option "without-test", "Disable build-time testing (not recommended)"
-
-  deprecated_option "without-check" => "without-test"
-
-  def install
-    system "./configure", "--disable-dependency-tracking",
-                          "--disable-silent-rules",
-                          "--prefix=#{prefix}"
-    system "make", "check" if build.with? "test"
-    system "make", "install"
-  end
-
-  test do
-    (testpath/"test.c").write <<~EOS
-      #include <cerf.h>
-      #include <stdio.h>
-      int main()
-      {
-        printf("%f\\n", voigt(0, 1, 0));
-        return -1;
-      }
-    EOS
-    system ENV.cc, "test.c", "-I#{include}", "-L#{lib}", "-lcerf", "-o", "test"
-    assert_in_delta `./test`.to_f, 1 / Math.sqrt(2 * Math::PI), 1e-6
-  end
-end
diff --git a/Formula/libsigrokdecode.rb b/Formula/libsigrokdecode.rb
deleted file mode 100644
index f23f8b70..00000000
--- a/Formula/libsigrokdecode.rb
+++ /dev/null
@@ -1,148 +0,0 @@
-class Libsigrokdecode < Formula
-  desc "Library for (streaming) protocol decoding"
-  homepage "https://sigrok.org/"
-
-  stable do
-    url "https://sigrok.org/download/source/libsigrokdecode/libsigrokdecode-0.5.0.tar.gz"
-    sha256 "4aa8579ecea9b421b8ac048a9b18c27e63206839f269374398d89c14a47bd1c1"
-
-    resource "librevisa" do
-      url "http://www.librevisa.org/git/librevisa.git", tag:      "alpha-2013-08-12",
-                                                        revision: "3e3e027ac7bcf2679089adc8886bb3c92574a042"
-    end
-
-    resource "libserialport" do
-      url "https://sigrok.org/download/source/libserialport/libserialport-0.1.1.tar.gz"
-      sha256 "4a2af9d9c3ff488e92fb75b4ba38b35bcf9b8a66df04773eba2a7bbf1fa7529d"
-    end
-
-    resource "libsigrok" do
-      url "https://sigrok.org/download/source/libsigrok/libsigrok-0.5.0.tar.gz"
-      sha256 "4c8c86779b880a5c419f6c77a08b1147021e5a19fa83b0f3b19da27463c9f3a4"
-    end
-
-    resource "fx2lafw" do
-      url "https://sigrok.org/download/source/sigrok-firmware-fx2lafw/sigrok-firmware-fx2lafw-0.1.5.tar.gz"
-      sha256 "ca74096b93baed48ef3e59ce0c97111153b9a2a8841c40019500b09b897f6d2d"
-    end
-  end
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 sierra:       "60a432705edac4a617e2260de724056518c7a90285291558f76a62b3fa0d33c0"
-    sha256 el_capitan:   "52c241ba07cdd486946af95fa541e6ca1144546d0378df163a899df26a9a27f1"
-    sha256 yosemite:     "df65b728fe688324cdf6ce2fa82e342b40036f495410bd31d54a8176ca0d6a05"
-    sha256 x86_64_linux: "502d100193fe55bf3aeb5576cf5c5b4540f51e38188eb8e9d9a0f5346b2b4e35"
-  end
-
-  head do
-    url "git://sigrok.org/libsigrokdecode", shallow: false
-
-    depends_on "libtool" => :build unless OS.mac?
-    depends_on "autoconf" => :build
-    depends_on "automake" => :build
-
-    resource "librevisa" do
-      # currently needed for librevisa due to errors in released alpha build
-      url "http://www.librevisa.org/git/librevisa.git"
-    end
-
-    resource "libserialport" do
-      url "git://sigrok.org/libserialport", shallow: false
-    end
-
-    resource "libsigrok" do
-      url "git://sigrok.org/libsigrok", shallow: false
-    end
-
-    resource "fx2lafw" do
-      url "git://sigrok.org/sigrok-firmware-fx2lafw.git", shallow: false
-    end
-  end
-
-  option "with-libserialport", "Build with libserialport"
-  option "with-librevisa", "Build with librevisa"
-  option "with-fx2lafw", "Build with fx2lafw"
-
-  depends_on "doxygen" => :build
-  depends_on "libtool" => :build if build.with?("librevisa")
-  depends_on "pkg-config" => :build
-  depends_on "sdcc" => :build if build.with?("fx2lafw")
-  depends_on "glib"
-  depends_on "glibmm"
-  depends_on "libzip"
-  depends_on "openjdk"
-  depends_on "python3"
-  depends_on "check" => :optional
-  depends_on "libftdi0" => :optional
-  depends_on "libusb" => :optional
-
-  # currently needed for librevisa due to errors in released alpha build
-
-  def install
-    common_args = %W[
-      --disable-dependency-tracking
-      --prefix=#{prefix}
-    ]
-
-    ENV.delete "PYTHONPATH"
-    ENV.append_path "PKG_CONFIG_PATH", lib / "pkgconfig"
-    ENV.append_path "PKG_CONFIG_PATH", HOMEBREW_PREFIX / "Frameworks/Python.framework/Versions/3.4/lib/pkgconfig"
-
-    if build.with? "libserialport"
-      resource("libserialport").stage do
-        system "./autogen.sh" if build.head?
-        system "./configure", *common_args
-        system "make", "install"
-      end
-    end
-
-    if build.with? "fx2lafw"
-      resource("fx2lafw").stage do
-        system "./autogen.sh" if build.head?
-        system "./configure", "--prefix=#{prefix}"
-        system "make", "install"
-      end
-    end
-
-    if build.with? "librevisa"
-      resource("librevisa").stage do
-        # needed for 2013-08-12. fixed on HEAD
-        # patch version https://gist.github.com/tduehr/3b4257251c7ed720225c
-        inreplace "autogen.sh", "libtoolize", "glibtoolize" unless build.head?
-        system "./autogen.sh"
-        system "./configure", *common_args
-        system "make", "install"
-      end
-    end
-
-    # not strictly needed for libsigrokdecode but both sigrok-cli and pulseview
-    # need it so we install it here as a resource to avoid collisions
-    resource("libsigrok").stage do
-      system "./autogen.sh" if build.head?
-      system "./configure", *common_args
-      system "make", "install"
-    end
-
-    ENV.deparallelize
-
-    system "./autogen.sh" if build.head?
-    system "./configure", *common_args
-    system "make", "check" if build.with? "check"
-    system "make", "install"
-  end
-
-  test do
-    (testpath/"test.c").write <<~EOS
-      #include <libsigrokdecode/libsigrokdecode.h>
-      int main() {
-        if (srd_init(NULL) != SRD_OK || srd_exit() != SRD_OK)
-          return 1;
-        return 0;
-      }
-    EOS
-    system ENV.cc, "-o", "test", "test.c", "-L#{lib}", "-I#{Formula["glib"].opt_include}/glib-2.0",
-"-I#{Formula["glib"].opt_lib}/glib-2.0/include", "-L#{Formula["glib"].opt_lib}", "-lsigrokdecode"
-    system "./test"
-  end
-end
diff --git a/Formula/lp_solve.rb b/Formula/lp_solve.rb
deleted file mode 100644
index 7a33a5b0..00000000
--- a/Formula/lp_solve.rb
+++ /dev/null
@@ -1,164 +0,0 @@
-class NumpyHasHeaders < Requirement
-  def numpy_include_dir
-    `python -c "import numpy.distutils.misc_util as u; print(u.get_numpy_include_dirs())[0]"`.strip.to_s
-  end
-
-  def satisfied?
-    Dir["#{numpy_include_dir}/numpy/*.h"].any?
-  end
-
-  def fatal?
-    true
-  end
-
-  def message
-    <<~EOS
-      lp_solve requires NumPy headers not provided by Apple.
-      Install numpy via the Homebrew/python formula:
-        `brew tap homebrew/python && brew install numpy`
-    EOS
-  end
-end
-
-class LpSolve < Formula
-  homepage "https://sourceforge.net/projects/lpsolve/"
-  url "https://downloads.sourceforge.net/lpsolve/lp_solve_5.5.2.0_source.tar.gz"
-  version "5.5.2.0" # automatic version parser spits out "solve" as version
-  sha256 "5827a30b143105283f398a09419ea608719a2d7699ecea165a66d521803bcc9c"
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 cellar: :any_skip_relocation, x86_64_linux: "40e0fb01f795a4e7583802dadd04c8c08fdbe4fe776ea5602a78997fc2575065"
-  end
-
-  depends_on "python" => :optional
-  depends_on NumpyHasHeaders.new if build.with? "python"
-
-  resource "lp_solve_python" do
-    # 'http://lpsolve.sourceforge.net/5.5/Python.htm'
-    url "https://downloads.sourceforge.net/lpsolve/lp_solve_5.5.2.0_Python_source.tar.gz"
-    sha256 "79683bc262e9da5b2fa7338ba190a9cd10559b9f2dbcb8f3bf07e2a81083ac51"
-    version "5.5.2.0"
-  end
-
-  # Prefer OS X's fast BLAS implementation (patch stolen from fink-project)
-  patch :DATA if OS.mac?
-
-  def install
-    # Thanks to superenv, we don't have to care if the ccc.osx build script
-    # tells the compiler stupid things. And Xcode-only works like charm.
-
-    cd "lpsolve55" do
-      if OS.mac?
-        system "sh", "ccc.osx", "#", "lpsolve55", "library"
-        lib.install Dir["./bin/osx64/*.a"]
-        lib.install Dir["./bin/osx64/*.dylib"]
-      else
-        system "sh", "ccc", "#", "lpsolve55", "library"
-        lib.install Dir["./bin/ux64/*.a"]
-        lib.install Dir["./bin/ux64/*.so"]
-      end
-    end
-
-    cd "lp_solve" do
-      if OS.mac?
-        system "sh", "ccc.osx", "#", "lp_solve", "executable"
-        bin.install "./bin/osx64/lp_solve"
-      else
-        system "sh", "ccc", "#", "lp_solve", "executable"
-        bin.install "./bin/ux64/lp_solve"
-      end
-    end
-
-    # Note, the demo does not build with lpsolve55. Upstream issue.
-
-    include.install Dir["*.h"]
-    include.install "shared/commonlib.h", "shared/myblas.h"
-    include.install Dir["bfp/bfp_LUSOL/LUSOL/lusol*.h"]
-
-    if build.with? "python"
-      # In order to install into the Cellar, the dir must exist and be in the
-      # PYTHONPATH.
-      temp_site_packages = lib/which_python/"site-packages"
-      mkdir_p temp_site_packages
-      ENV["PYTHONPATH"] = temp_site_packages
-      args = [
-        "--force",
-        "--verbose",
-        "--install-scripts=#{share}/python",
-        "--install-lib=#{temp_site_packages}",
-        "--record=installed-files.txt",
-      ]
-
-      resource("lp_solve_python").stage do
-        cd "extra/Python" do
-          # On OS X malloc there is <sys/malloc.h> and <malloc/malloc.h>
-          inreplace "hash.c", "#include <malloc.h>", "#include <sys/malloc.h>"
-          # We know where the lpsolve55 lib is...
-          inreplace "setup.py", "LPSOLVE55 = '../../lpsolve55/bin/ux32'", "LPSOLVE55 = '#{lib}'"
-          # Correct path to lpsolve's include dir and go the official way to find numpy include_dirs
-          inreplace "setup.py",
-                    "include_dirs=['../..', NUMPYPATH],",
-                    "include_dirs=['#{include}', '#{numpy_include_dir}'],"
-          inreplace "setup.py", "(NUMPY, '1')", "('NUMPY', '1')"
-          # Even their version number is broken ...
-          inreplace "setup.py", 'version = "5.5.0.9",', "version = '#{version}',"
-
-          system "python", "setup.py", "--no-user-cfg", "install", *args
-
-          # Save the examples
-          (share/"lp_solve").install Dir["ex*.py"], "lpdemo.py", "Python.htm"
-        end
-      end
-    end
-  end
-
-  if build.with? "python"
-    def numpy_include_dir
-      `python -c "import numpy.distutils.misc_util as u; print(u.get_numpy_include_dirs())[0]"`.strip.to_s
-    end
-
-    def which_python
-      "python" + `python -c 'import sys;print(sys.version[:3])'`.strip
-    end
-
-    def caveats
-      <<~EOS
-        For non-homebrew Python, you need to amend your PYTHONPATH like so:
-          export PYTHONPATH=#{HOMEBREW_PREFIX}/lib/#{which_python}/site-packages:$PYTHONPATH
-
-        Python examples and doc are installed to #{HOMEBREW_PREFIX}/share/lp_solve
-      EOS
-    end
-  end
-
-  test do
-    input = <<~EOS
-      max: 143 x + 60 y;
-
-      120 x + 210 y <= 15000;
-      110 x + 30 y <= 4000;
-      x + y <= 75;
-    EOS
-    (testpath/"input.lp").write(input)
-    output = `#{bin}/lp_solve -S3 input.lp`
-    puts output
-    match = output =~ /Value of objective function: 6315\.6250/
-    raise if match.nil?
-  end
-end
-
-__END__
-diff --git a/lp_lib.h b/lp_lib.h
-index 2ef654f..7b06ef8 100644
---- a/lp_lib.h
-+++ b/lp_lib.h
-@@ -104,7 +104,7 @@
- /* Specify use of the basic linear algebra subroutine library                */
- /* ------------------------------------------------------------------------- */
- #define libBLAS                  2        /* 0: No, 1: Internal, 2: External */
--#define libnameBLAS        "myBLAS"
-+#define libnameBLAS        "/System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/Versions/Current/libBLAS.dylib"
- 
- 
- /* Active inverse logic (default is optimized original etaPFI)               */
diff --git a/Formula/mallet.rb b/Formula/mallet.rb
deleted file mode 100644
index 0729fae1..00000000
--- a/Formula/mallet.rb
+++ /dev/null
@@ -1,31 +0,0 @@
-class Mallet < Formula
-  desc "MAchine Learning for LanguagE Toolkit"
-  homepage "http://mallet.cs.umass.edu/"
-  url "http://mallet.cs.umass.edu/dist/mallet-2.0.8.tar.gz"
-  sha256 "5b2d6fb9bcf600b1836b09881821a6781dd45a7d3032e61d7500d027a5b34faf"
-  head "https://github.com/mimno/Mallet.git"
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 cellar: :any_skip_relocation, sierra:       "da32cef7b10fcbfc1f5fc7878f779a5000d88f3363342b6c9ff1830f29d85803"
-    sha256 cellar: :any_skip_relocation, el_capitan:   "f870d8dac822eeda26296f069d488547cb415c2eaaeb0fd0e822595308c0b390"
-    sha256 cellar: :any_skip_relocation, yosemite:     "f870d8dac822eeda26296f069d488547cb415c2eaaeb0fd0e822595308c0b390"
-    sha256 cellar: :any_skip_relocation, x86_64_linux: "d2556a240155cfc90259839cb5861d7c4d1e8e58d3210b934bbd5b1cf5897495"
-  end
-
-  # tag "machine learning"
-
-  depends_on "openjdk"
-
-  def install
-    rm Dir["bin/*.{bat,dll,exe}"] # Remove all windows files
-    prefix.install_metafiles
-    libexec.install Dir["*"]
-    bin.install Dir["#{libexec}/bin/*"]
-    bin.env_script_all_files(libexec/"bin", Language::Java.java_home_env)
-  end
-
-  test do
-    system "#{bin}/mallet | grep Mallet"
-  end
-end
diff --git a/Formula/mfem.rb b/Formula/mfem.rb
deleted file mode 100644
index 05d393d9..00000000
--- a/Formula/mfem.rb
+++ /dev/null
@@ -1,127 +0,0 @@
-class Mfem < Formula
-  desc "Free, lightweight, scalable C++ library for FEM"
-  homepage "http://www.mfem.org/"
-  url "https://goo.gl/Vrpsns"
-  version "3.3"
-  sha256 "b17bd452593aada93dc0fee748fcfbbf4f04ce3e7d77fdd0341cc9103bcacd0b"
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 cellar: :any_skip_relocation, sierra:       "35e84e4e8ba4fda6a97f6ced36ac561902488ca716bb88c3a3dc7a4cc23d835a"
-    sha256 cellar: :any_skip_relocation, el_capitan:   "58714c6611442447e0f8ef57f6fbb2b812e43d76e3525915144a4115563aa605"
-    sha256 cellar: :any_skip_relocation, yosemite:     "71941bca57236fec5493dd7e0bd40563cc3a52daf0a5fcc279fc29c254ed709e"
-    sha256 cellar: :any_skip_relocation, x86_64_linux: "05341892c5f4530c5edead5b496894c2a6276c16dc4c3dd1febc2e1dd4faa478"
-  end
-
-  option "with-open-mpi", "Build with MPI support (implies --with-hypre --with-metis)"
-  option "with-suite-sparse", "Build with suite-sparse support (implies --with-metis)"
-  deprecated_option "with-mpi" => "with-open-mpi"
-
-  depends_on "netcdf" => :optional
-  depends_on "open-mpi" => :optional
-  if build.with?("open-mpi")
-    depends_on "metis"
-    depends_on "hypre" => "with-open-mpi"
-  else
-    depends_on "hypre" => :optional
-    depends_on "metis" => :optional
-  end
-
-  if OS.mac?
-    depends_on "openblas" => :optional
-  else
-    depends_on "openblas"
-  end
-  depends_on "suite-sparse" => :optional
-  depends_on "superlu_dist" => :optional
-
-  def install
-    make_args = ["PREFIX=#{prefix}"]
-
-    lapack_lib = if build.with?("openblas")
-      "-L#{Formula["openblas"].opt_lib} -lopenblas"
-    else
-      "-llapack -lblas"
-    end
-    make_args += ["MFEM_USE_LAPACK=YES", "LAPACK_LIB=#{lapack_lib}"]
-
-    if build.with?("hypre") || build.with?("open-mpi")
-      make_args += ["HYPRE_DIR=#{Formula["hypre"].opt_prefix}",
-                    "HYPRE_OPT=-I#{Formula["hypre"].opt_include}",
-                    "HYPRE_LIB=-L#{Formula["hypre"].opt_lib} -lHYPRE"]
-    end
-
-    if build.with?("metis") || build.with?("open-mpi") || build.with?("suite-sparse")
-      metis_lib = "-L#{Formula["metis"].opt_lib} -lmetis"
-      make_args += ["MFEM_USE_METIS_5=YES",
-                    "METIS_DIR=#{Formula["metis"].opt_prefix}",
-                    "METIS_OPT=-I#{Formula["metis"].opt_include}",
-                    "METIS_LIB=#{metis_lib}"]
-    end
-
-    make_args += ["MFEM_USE_MPI=YES"] if build.with?("open-mpi")
-
-    if build.with?("suite-sparse")
-      ss_lib = "-L#{Formula["suite-sparse"].opt_lib} "
-      ss_lib += "-lklu -lbtf -lumfpack -lcholmod -lcolamd -lamd -lcamd "
-      ss_lib += "-lccolamd -lsuitesparseconfig #{metis_lib} #{lapack_lib}"
-      make_args += ["MFEM_USE_SUITESPARSE=YES",
-                    "SUITESPARSE_DIR=#{Formula["suite-sparse"].opt_prefix}",
-                    "SUITESPARSE_OPT=-I#{Formula["suite-sparse"].opt_include}",
-                    "SUITESPARSE_LIB=#{ss_lib}"]
-    end
-
-    if build.with?("superlu_dist")
-      superlu_lib = "-L#{Formula["superlu_dist"].opt_lib} -lsuperlu_dist"
-      make_args += ["MFEM_USE_SUPERLU=YES",
-                    "SUPERLU_DIR=#{Formula["superlu_dist"].opt_prefix}",
-                    "SUPERLU_OPT=-I#{Formula["superlu_dist"].opt_include}",
-                    "SUPERLU_LIB=#{superlu_lib}"]
-    end
-
-    if build.with?("netcdf")
-      netcdf_lib = "-L#{Formula["netcdf"].opt_lib} -lnetcdf "
-      netcdf_lib += "-L#{Formula["hdf5"].opt_lib} -lhdf5_hl -lhdf5 "
-      netcdf_lib += if OS.mac?
-        "-L/usr/lib -lz"
-      else
-        "-L#{Formula["zlib"].opt_lib} -lz"
-      end
-      zlib_dir = OS.mac? ? "/usr" : Formula["zlib"].opt_prefix.to_s
-      make_args += ["MFEM_USE_NETCDF=YES",
-                    "NETCDF_DIR=#{Formula["netcdf"].opt_prefix}",
-                    "HDF5_DIR=#{Formula["hdf5"].opt_prefix}",
-                    "ZLIB_DIR=#{zlib_dir}",
-                    "NETCDF_OPT=-I#{Formula["netcdf"].opt_include}",
-                    "NETCDF_LIB=#{netcdf_lib}"]
-    end
-
-    system "make", "config", *make_args
-    system "make", "all"
-    system "make", "install"
-
-    # Install some examples in pkgshare for users learning the library
-    (pkgshare/"examples").mkpath
-    (pkgshare/"examples").install Dir["examples/*.cpp"]
-    (pkgshare/"examples").install "examples/makefile"
-    (pkgshare/"data").mkpath
-    (pkgshare/"data").install Dir["data/*.mesh"]
-    (pkgshare/"data").install Dir["data/*.vtk"]
-    pkgshare.install "config"
-  end
-
-  test do
-    cp_r "#{Formula["mfem"].opt_pkgshare}/examples", "./"
-    cd "examples" do
-      cp "#{Formula["mfem"].opt_pkgshare}/data/star.mesh", "./"
-      system "make", "all", "MFEM_DIR=#{Formula["mfem"].opt_prefix}", "CONFIG_MK=$(MFEM_DIR)/config.mk",
-"TEST_MK=$(MFEM_DIR)/test.mk", "MFEM_LIB_FILE=$(MFEM_DIR)/lib/libmfem.a", "SRC="
-      args = ["-m", "star.mesh", "--no-visualization"]
-      if Tab.for_name("mfem").with? "open-mpi"
-        system "mpirun", "-np", "4", "./ex1p", *args
-      else
-        system "./ex1", *args
-      end
-    end
-  end
-end
diff --git a/Formula/mlpack.rb b/Formula/mlpack.rb
deleted file mode 100644
index debd8dba..00000000
--- a/Formula/mlpack.rb
+++ /dev/null
@@ -1,81 +0,0 @@
-class Mlpack < Formula
-  desc "Scalable C++ machine learning library"
-  homepage "http://www.mlpack.org"
-  # doi "arXiv:1210.6293"
-  url "http://mlpack.org/files/mlpack-2.2.5.tar.gz"
-  sha256 "e24e64d8451a3db23eafb7c94f9fa075dd540f5ac04953c82260a9d4d9fc4fcf"
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 cellar: :any, high_sierra:  "e9d8e97e3df78d48ccfff553fa46cfc6d61204133ce8bf86ead2022d43716ac4"
-    sha256 cellar: :any, sierra:       "dee66abdc8257caba52d37b69bd2e5514d9a697841182553cc309424913e7739"
-    sha256 cellar: :any, el_capitan:   "0bba3b4d17b38c2ca882b7f09fa694095674ef27853ffb140fc514cd143512e9"
-    sha256 cellar: :any, x86_64_linux: "8a435c0e52162b282cb23bfb0b5f62fecbba5bc0bc2b87f1c5b89a11617af8be"
-  end
-
-  option "with-debug", "Compile with debug options"
-  option "with-profile", "Compile with profile options"
-  option "with-test", "Run build-time tests"
-
-  deprecated_option "with-check" => "with-test"
-
-  depends_on "cmake" => :build
-  depends_on "armadillo"
-  depends_on "boost"
-  depends_on "libxml2"
-  depends_on "pkg-config"
-
-  def install
-    # Reduce memory usage below 4 GB for Circle CI.
-    ENV["MAKEFLAGS"] = "-j1" if ENV["CIRCLECI"]
-
-    ENV.cxx11
-    dylib = OS.mac? ? "dylib" : "so"
-    cmake_args = std_cmake_args
-    cmake_args << "-DDEBUG=" + (build.with?("debug") ? "ON" : "OFF")
-    cmake_args << "-DPROFILE=" + (build.with?("profile") ? "ON" : "OFF")
-    cmake_args << "-DBOOST_ROOT=#{Formula["boost"].opt_prefix}"
-    cmake_args << "-DARMADILLO_INCLUDE_DIR=#{Formula["armadillo"].opt_include}"
-    cmake_args << "-DARMADILLO_LIBRARY=#{Formula["armadillo"].opt_lib}/libarmadillo.#{dylib}"
-    cmake_args << "-DCMAKE_CXX_FLAGS=-fext-numeric-literals" unless ENV.compiler == :clang
-
-    mkdir "build" do
-      system "cmake", "..", *cmake_args
-      system "make", "test" if build.with? "check"
-      system "make", "install"
-    end
-
-    doc.install Dir["doc/*"]
-    pkgshare.install "src/mlpack/tests" # Includes test data.
-  end
-
-  test do
-    ENV.cxx11
-    cd testpath do
-      system "#{bin}/mlpack_knn",
-        "-r", "#{pkgshare}/tests/data/GroupLens100k.csv",
-        "-n", "neighbors.csv",
-        "-d", "distances.csv",
-        "-k", "5", "-v"
-    end
-
-    (testpath / "test.cpp").write <<-EOS
-      #include <mlpack/core.hpp>
-
-      using namespace mlpack;
-
-      int main(int argc, char** argv) {
-        CLI::ParseCommandLine(argc, argv);
-        Log::Debug << "Compiled with debugging symbols." << std::endl;
-        Log::Info << "Some test informational output." << std::endl;
-        Log::Warn << "A false alarm!" << std::endl;
-      }
-    EOS
-    cxx_with_flags = ENV.cxx.split + ["test.cpp", "-I#{include}",
-                                      "-I#{Formula["libxml2"].opt_include}/libxml2",
-                                      "-L#{lib}", "-lmlpack",
-                                      "-o", "test"]
-    system(*cxx_with_flags)
-    system "./test", "--verbose"
-  end
-end
diff --git a/Formula/msieve.rb b/Formula/msieve.rb
deleted file mode 100644
index 59509f89..00000000
--- a/Formula/msieve.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-class Msieve < Formula
-  desc "Factor large integers"
-  homepage "https://sourceforge.net/projects/msieve/"
-  url "https://downloads.sourceforge.net/project/msieve/msieve/Msieve%20v1.52/msieve152.tar.gz"
-  sha256 "8a895544d316b8befe0e93a1fd7a1d508e8aa0f734035e2632aa4d928a2ef20b"
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 cellar: :any, el_capitan: "69ba18e8bbdb68809801bb3b455b80a46365ff9be9f95991cd48a7a731f89506"
-    sha256 cellar: :any, yosemite:   "6552b9142096eef4b37de4e0d9ad0a062a85f29bf36be73cbf88b0f89723d9db"
-    sha256 cellar: :any, mavericks:  "398a24bac441f50f6a9481e2ae464ecf37e441da3ad05d65d0a4758c87d4eaaf"
-  end
-
-  depends_on "gcc"
-
-  def install
-    system "make", "all"
-    mkdir bin
-    bin.install "msieve"
-  end
-
-  test do
-    system "#{bin}/msieve", "-q", "12"
-  end
-end
diff --git a/Formula/nest.rb b/Formula/nest.rb
deleted file mode 100644
index e8c9b995..00000000
--- a/Formula/nest.rb
+++ /dev/null
@@ -1,154 +0,0 @@
-class Nest < Formula
-  desc "Neural Simulation Tool with Python2 bindings (PyNEST)"
-  homepage "http://www.nest-simulator.org/"
-  url "https://github.com/nest/nest-simulator/archive/v2.14.0.tar.gz"
-  sha256 "afaf7d53c2d5305fac1257759cc0ea6d62c3cebf7d5cc4a07d4739af4dbb9caf"
-  revision 1
-  head "https://github.com/nest/nest-simulator.git"
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 high_sierra:  "4f7d765cd75ae3272ce15bb293c20a6cdfc9ccb551f0a07d00016c75ae0ef267"
-    sha256 sierra:       "60e4b0595c5d11003ffe1eca3fdca3c197b8711336ead21eba67620db96454c0"
-    sha256 el_capitan:   "8a4c8e6d0d2e4ce93d76af73197c693f8c303095800e82b7266b922848f1a39b"
-    sha256 x86_64_linux: "6207dea13f90b17a95313b964323f7971cd5e2507a38b0ffd5d64b2f346e7851"
-  end
-
-  option "with-python3", "Build Python3 bindings (PyNEST) instead of Python2 bindings."
-  option "without-openmp", "Build without OpenMP support."
-  deprecated_option "with-mpi" => "with-open-mpi"
-
-  needs :openmp if build.with? "openmp"
-
-  requires_py3 = []
-  requires_py3 << "with-python3" if build.with? "python3"
-
-  depends_on "cmake" => :build
-  depends_on "libtool"
-  depends_on "matplotlib" => requires_py3
-  depends_on "numpy" => requires_py3
-  depends_on "readline"
-  depends_on "scipy" => requires_py3
-  depends_on "gsl" => :recommended
-  depends_on "open-mpi" => :optional
-
-  # Any Python >= 2.7 < 3.x is okay (either from macOS or brewed)
-  depends_on "python" unless OS.mac?
-  depends_on "python3" => :optional
-
-  fails_with :clang do
-    cause <<~EOS
-      Building NEST with clang is not stable. See https://github.com/nest/nest-simulator/issues/74 .
-    EOS
-  end
-
-  resource "Cython" do
-    url "https://files.pythonhosted.org/packages/ee/2a/c4d2cdd19c84c32d978d18e9355d1ba9982a383de87d0fcb5928553d37f4/Cython-0.27.3.tar.gz"
-    sha256 "6a00512de1f2e3ce66ba35c5420babaef1fe2d9c43a8faab4080b0dbcc26bc64"
-  end
-
-  resource "nose" do
-    url "https://files.pythonhosted.org/packages/58/a5/0dc93c3ec33f4e281849523a5a913fa1eea9a3068acfa754d44d88107a44/nose-1.3.7.tar.gz"
-    sha256 "f1bffef9cbc82628f6e7d7b40d7e255aefaa1adb6a1b1d26c69a8b79e6208a98"
-  end
-
-  def install
-    ENV.delete("CFLAGS")
-    ENV.delete("CXXFLAGS")
-    # The Homebrew site-packages path is automatically added to the PYTHONPATH
-    # env var in Library/Homebrew/requirements/python_requirement.rb. However,
-    # it is getting confused as to which version of Python we are using and
-    # putting the wrong site-packages on the path (2 instead of 3). Since we
-    # don't need any Homebrew-installed bindings it is easiest/safe just to
-    # delete it.
-    ENV.delete("PYTHONPATH")
-
-    args = ["-DCMAKE_INSTALL_PREFIX:PATH=#{prefix}"]
-
-    args << "-Dwith-mpi=ON" if build.with? "open-mpi"
-    args << "-Dwith-openmp=OFF" if build.without? "openmp"
-    args << "-Dwith-gsl=OFF" if build.without? "gsl"
-
-    if build.with? "python3"
-      args << "-Dwith-python=3"
-      python_exec = "python3"
-    else
-      # default to python2 installation
-      # this always links to the system python during nest installation,
-      # which should not be a problem, as python2.7.10 (system py2 as of writing this)
-      # is compatible with brewed python2.7+
-      args << "-Dwith-python=ON"
-      python_exec = "python"
-    end
-
-    python_version = Language::Python.major_minor_version(python_exec)
-
-    resource("nose").stage do
-      system python_exec, *Language::Python.setup_install_args(libexec/"nose")
-      # only nose executable is interesting during testing - not adding a *.pth file
-    end
-
-    resource("Cython").stage do
-      system python_exec, *Language::Python.setup_install_args(buildpath/"cython")
-    end
-
-    # Add local build resource Cython residing in buildpath to paths
-    ENV.prepend_create_path "PATH", buildpath/"cython/bin"
-    ENV.prepend_create_path "PYTHONPATH", buildpath/"cython/lib/python#{python_version}/site-packages"
-
-    # "out of source" build
-    mkdir "build" do
-      system "cmake", "..", *args
-      system "make"
-      system "make", "install"
-    end
-
-    # Replace internally accessible gcc with externally accesible version
-    # in nest-config if required
-    inreplace bin/"nest-config",
-        %r{#{HOMEBREW_REPOSITORY}/Library/Homebrew/shims.*/super}o,
-        "#{HOMEBREW_PREFIX}/bin",
-        false
-  end
-
-  test do
-    # simple check whether NEST was compiled & linked
-    system bin/"nest", "--version"
-
-    # necessary for the python tests
-    ENV["exec_prefix"] = prefix
-    # if build.head? does not seem to work
-    ENV["NEST_SOURCE"] = if File.directory?(pkgshare/"sources")
-      # necessary for one regression on the sources
-      pkgshare/"sources"
-    else
-      # Skip tests for correct copyright headers
-      "SKIP"
-    end
-
-    if build.with? "open-mpi"
-      # we need the command /mpirun defined for the mpi tests
-      # and since we are in the sandbox, we create it again
-      nestrc = <<-EOS
-        /mpirun
-        [/integertype /stringtype /stringtype]
-        [/numproc     /executable /scriptfile]
-        {
-         () [
-          (mpirun -np ) numproc cvs ( ) executable ( ) scriptfile
-         ] {join} Fold
-        } Function def
-      EOS
-      File.open(ENV["HOME"]+"/.nestrc", "w") { |file| file.write(nestrc) }
-    end
-
-    # add nosetest executable to path
-    ENV.prepend_create_path "PATH", libexec/"nose/bin"
-    # run all tests
-    args = ["--test-pynest"]
-
-    ENV["PYTHON"] = "python3" if build.with? "python3"
-
-    system pkgshare/"extras/do_tests.sh", *args
-  end
-end
diff --git a/Formula/openfst.rb b/Formula/openfst.rb
deleted file mode 100644
index 6748fb34..00000000
--- a/Formula/openfst.rb
+++ /dev/null
@@ -1,55 +0,0 @@
-class Openfst < Formula
-  desc "Open-source library for working with weighted finite-state transducers"
-  homepage "http://www.openfst.org/"
-  url "http://www.openfst.org/twiki/pub/FST/FstDownload/openfst-1.6.3.tar.gz"
-  sha256 "5c28b6ccd017fc6ff94ebd0c73ed8ab37d48f563dab1c603856fb05bc9333d99"
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 cellar: :any, sierra:       "62f64bd93abe2834f07e1ee79a363d1cfa106f4e9faaad8e1f3537f772e88b1e"
-    sha256 cellar: :any, el_capitan:   "695595240d43745060ecafa520178c8890dea8b34f47fb5f174f85bcddad9f63"
-    sha256 cellar: :any, yosemite:     "97b714421950df1d9693c294e5d8f69ca167474737e43fe6b1305f5269a98b54"
-    sha256 cellar: :any, x86_64_linux: "b20ee657fe8fdd2c8bfde124e1aff050b0724eb061b2bb820a2d928299f24e6e"
-  end
-
-  depends_on "zlib" unless OS.mac?
-
-  def install
-    ENV.cxx11
-    system "./configure", "--prefix=#{prefix}",
-                          "--disable-dependency-tracking",
-                          "--enable-compact-fsts",
-                          "--enable-compress",
-                          "--enable-const-fsts",
-                          "--enable-far",
-                          "--enable-linear-fsts",
-                          "--enable-lookahead-fsts",
-                          "--enable-mpdt",
-                          "--enable-ngram-fsts",
-                          "--enable-pdt",
-                          "--enable-special"
-    system "make", "install"
-  end
-
-  test do
-    # Based on http://openfst.org/twiki/bin/view/FST/FstExamples.
-    # Makes symbol table.
-    File.open("ascii.syms", "w") do |sink|
-      sink.puts "<epsilon>\t0"
-      sink.puts "<space>\t32"
-      33.upto(126) { |i| sink.puts "#{i.chr}\t#{i}" }
-    end
-    # Makes arclist for downcasing FST.
-    File.open("downcase.arc", "w") do |sink|
-      sink.puts "0\t0\t<epsilon>\t<epsilon>"
-      sink.puts "0\t0\t<space>\t<space>"
-      33.upto(126) { |i| sink.puts "0\t0\t#{i.chr}\t#{i.chr.downcase}" }
-      sink.puts "0"
-    end
-    ## Compile the machine
-    system bin/"fstcompile", "--isymbols=ascii.syms",
-                             "--osymbols=ascii.syms",
-                             "downcase.arc",
-                             "downcase.fst"
-  end
-end
diff --git a/Formula/pocl.rb b/Formula/pocl.rb
deleted file mode 100644
index 07bf3abc..00000000
--- a/Formula/pocl.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-class Pocl < Formula
-  desc "MIT-licensed open source implementation of the OpenCL standard"
-  homepage "https://pocl.sourceforge.io/"
-  url "https://downloads.sourceforge.net/project/pocl/pocl-0.14.tar.gz"
-  sha256 "2127bf925a91fbbe3daf2f1bac0da5c8aceb16e2a9434977a3057eade974106a"
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 sierra:       "e840d7622cc3a4e2991cee46438f4338d3d792b880df87fd997f495c977c4fde"
-    sha256 el_capitan:   "750fd4166e8cddc574d57e283eec0d7a2e8fa50831c42d6e24a5f989fbe2e9b8"
-    sha256 yosemite:     "0c57dd7d46167d461626abf00d3635cdd39086bda540c84bffd85c99fad7d2de"
-    sha256 x86_64_linux: "6a531d396319978d4c69ba6315832b3c23ee27aedb2b4296836c7c239d319a8f"
-  end
-
-  depends_on "cmake" => :build
-  depends_on "pkg-config" => :build
-  depends_on "hwloc"
-  depends_on "libtool"
-  depends_on "llvm"
-
-  def install
-    system "cmake", ".", *std_cmake_args
-    system "make", "install"
-  end
-end
diff --git a/Formula/proteinortho.rb b/Formula/proteinortho.rb
deleted file mode 100644
index 0ee4ec1d..00000000
--- a/Formula/proteinortho.rb
+++ /dev/null
@@ -1,35 +0,0 @@
-class Proteinortho < Formula
-  desc "Detection of orthologs in large-scale analysis"
-  homepage "http://www.bioinf.uni-leipzig.de/Software/proteinortho/"
-  # doi "10.1186/1471-2105-12-124"
-  # tag "bioinformatics"
-
-  url "http://www.bioinf.uni-leipzig.de/Software/proteinortho/proteinortho_v5.15_src.tar.gz"
-  version "5.15"
-  sha256 "718af74289a4fc0075f9dce2b12fe3fa1c7d96718c7ec8d9ddca94beac658a17"
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 cellar: :any_skip_relocation, el_capitan:   "90278cd36c92e1f2470ddfbe67310b8af11146c5e1e7c2c0963fca6563cb57f2"
-    sha256 cellar: :any_skip_relocation, yosemite:     "310de812c9d5d37bb4b368e737b83bbdd7fafc025bd4acfce167d4cb14c05203"
-    sha256 cellar: :any_skip_relocation, mavericks:    "faf9b72151379cd25d4cbe40d4164da161d832e3ab07ea58b937ad331b7ab893"
-    sha256 cellar: :any_skip_relocation, x86_64_linux: "5c1f6ae44c11d636f5f6dbb5d53058f2f3a3d9eff87700e8f422e965373c902e"
-  end
-
-  depends_on "blast"
-
-  # Depends_on "Thread::Queue" => :perl
-  # Depends_on "File::Basename" => :perl
-
-  def install
-    system "make"
-    mkdir bin
-    system "make", "INSTALLDIR=#{bin}", "install"
-    doc.install "manual.html"
-    pkgshare.install "tools", "test"
-  end
-
-  test do
-    assert_match "orthology", shell_output("#{bin}/proteinortho5.pl 2>&1")
-  end
-end
diff --git a/Formula/sigrok-cli.rb b/Formula/sigrok-cli.rb
deleted file mode 100644
index e80a364a..00000000
--- a/Formula/sigrok-cli.rb
+++ /dev/null
@@ -1,38 +0,0 @@
-class SigrokCli < Formula
-  desc "Command-line client for sigrok"
-  homepage "https://sigrok.org/"
-  url "https://sigrok.org/download/source/sigrok-cli/sigrok-cli-0.7.0.tar.gz"
-  sha256 "5669d968c2de3dfc6adfda76e83789b6ba76368407c832438cef5e7099a65e1c"
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 cellar: :any, sierra:       "a41bd3e0acc877ec54a8019cf2b7640834eb7d531b6bb74c3d4bf345cd58360a"
-    sha256 cellar: :any, el_capitan:   "50a9411021aa97979f58857e08a1f11034e0fadf52ca901dac0ab5b9deaa7a22"
-    sha256 cellar: :any, yosemite:     "68ad9e7ecba9e55ad3ba1d8810fefdc57d1327a300ce45ca76d4745fa7e6505d"
-    sha256 cellar: :any, x86_64_linux: "daa914ca934055c095efefe16a6db86d7714e2e1e0d45b3c4641ec51220102b5"
-  end
-
-  head do
-    url "git://sigrok.org/sigrok-cli", shallow: false
-    depends_on "autoconf" => :build
-    depends_on "automake" => :build
-    depends_on "glib"
-    depends_on "libtool" => :build unless OS.mac?
-  end
-
-  depends_on "cmake" => :build
-  depends_on "pkg-config" => :build
-  depends_on "glib"
-  depends_on "libsigrokdecode"
-
-  def install
-    system "./autogen.sh" if build.head?
-    system "./configure", "--prefix=#{prefix}"
-    system "make", "install"
-  end
-
-  test do
-    ENV.delete "PYTHONPATH"
-    system "#{bin}/sigrok-cli", "--version"
-  end
-end
diff --git a/Formula/slepc.rb b/Formula/slepc.rb
deleted file mode 100644
index fa2220d5..00000000
--- a/Formula/slepc.rb
+++ /dev/null
@@ -1,87 +0,0 @@
-class Slepc < Formula
-  desc "Scalable Library for Eigenvalue Computations"
-  homepage "https://slepc.upv.es/"
-  url "http://slepc.upv.es/download/distrib/slepc-3.7.4.tar.gz"
-  sha256 "2fb782844e3bc265a8d181c3c3e2632a4ca073111c874c654f1365d33ca2eb8a"
-  revision 1
-
-  option "with-complex", "Use complex version by default. Otherwise, real-valued version will be symlinked"
-  option "without-test", "Skip run-time tests (not recommended)"
-  option "with-openblas", "Install dependencies with openblas"
-  option "with-blopex", "Download blopex library"
-
-  deprecated_option "complex" => "with-complex"
-
-  deprecated_option "without-check" => "without-test"
-
-  openblasdep = (build.with? "openblas") ? ["with-openblas"] : []
-
-  depends_on "gcc" if OS.mac?
-  depends_on "hdf5"
-  depends_on "open-mpi"
-  depends_on "petsc" => openblasdep # for gfortran
-  depends_on "arpack" => [:recommended, "with-open-mpi"] + openblasdep
-  depends_on "libx11" => :optional
-
-  def install
-    ENV.deparallelize
-
-    # these must be consistent with petsc.rb
-    petsc_arch_real = "real"
-    petsc_arch_complex = "complex"
-
-    ENV["SLEPC_DIR"] = Dir.getwd
-    args = ["--with-clean=true"]
-    if build.with? "arpack"
-      args << "--with-arpack-dir=#{Formula["arpack"].opt_lib}" << "--with-arpack-flags=-lparpack,-larpack"
-    end
-    args << "--download-blopex" if build.with? "blopex"
-
-    # real
-    ENV["PETSC_DIR"] = "#{Formula["petsc"].opt_prefix}/#{petsc_arch_real}"
-    system "./configure", "--prefix=#{prefix}/#{petsc_arch_real}", *args
-    system "make"
-    system "make", "test" if build.with? "test"
-    system "make", "install"
-
-    # complex
-    ENV["PETSC_DIR"] = "#{Formula["petsc"].opt_prefix}/#{petsc_arch_complex}"
-    system "./configure", "--prefix=#{prefix}/#{petsc_arch_complex}", *args
-    system "make"
-    # TODO: investigate why complex tests fail to run on Linuxbrew
-    system "make", "test" if build.with? "test"
-    system "make", "install"
-
-    # Link what we need.
-    petsc_arch = ((build.include? "complex") ? petsc_arch_complex : petsc_arch_real)
-
-    include.install_symlink Dir["#{prefix}/#{petsc_arch}/include/*.h"],
-                            "#{prefix}/#{petsc_arch}/finclude", "#{prefix}/#{petsc_arch}/slepc-private"
-    lib.install_symlink Dir["#{prefix}/#{petsc_arch}/lib/*.*"]
-    prefix.install_symlink "#{prefix}/#{petsc_arch}/conf"
-    doc.install "docs/slepc.pdf", Dir["docs/*.htm"], "docs/manualpages" # They're not really man pages.
-    pkgshare.install "share/slepc/datafiles"
-
-    # install some tutorials for use in test block
-    pkgshare.install "src/eps/examples/tutorials"
-  end
-
-  def caveats
-    <<~EOS
-      Set your SLEPC_DIR to #{opt_prefix}/real or #{opt_prefix}/complex.
-      Fortran modules are in #{opt_prefix}/real/include and #{opt_prefix}/complex/include.
-    EOS
-  end
-
-  test do
-    cp_r prefix/"share/slepc/tutorials", testpath
-    Dir.chdir("tutorials") do
-      system "mpicc", "ex1.c", "-I#{opt_include}", "-I#{Formula["petsc"].opt_include}",
-"-L#{Formula["petsc"].opt_lib}", "-lpetsc", "-L#{opt_lib}", "-lslepc", "-o", "ex1"
-      system "mpirun -np 3 ex1 2>&1 | tee ex1.out"
-      `cat ex1.out | tail -3 | awk '{print $NF}'`.split.each do |val|
-        assert val.to_f < 1.0e-8
-      end
-    end
-  end
-end
diff --git a/Formula/sollya.rb b/Formula/sollya.rb
deleted file mode 100644
index 3b4b4ce5..00000000
--- a/Formula/sollya.rb
+++ /dev/null
@@ -1,42 +0,0 @@
-class Sollya < Formula
-  desc "Environment for the development of numerical codes"
-  homepage "http://sollya.gforge.inria.fr/"
-  url "https://gforge.inria.fr/frs/download.php/file/36271/sollya-6.0.tar.bz2"
-  sha256 "05321581ba47f5e0804b712157dfc5343a268ca6c1983dce48fdd1e91d5b0a1f"
-  revision 2
-  head "https://scm.gforge.inria.fr/anonscm/git/sollya/sollya.git"
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 cellar: :any, sierra:       "0bdf63143ce17ed5dfb2fb806fd035635d46f1f5b2e189afbaef419c3da878ee"
-    sha256 cellar: :any, el_capitan:   "430e46f8eb66ba72b757d44bf78bda39950536fff589994e68c7280798def4e9"
-    sha256 cellar: :any, x86_64_linux: "344b8d77fd5cabfee3698e18cd02b0106a03996ca9f185c3258b3f9dd664e0c8"
-  end
-
-  # doi "10.1007/978-3-642-15582-6_5"
-
-  option "with-test", "Run full test suite (time consuming)"
-
-  depends_on "fplll"
-  depends_on "gmp"
-  depends_on "mpfi"
-  depends_on "mpfr"
-  depends_on "libxml2" unless OS.mac?
-
-  def install
-    system "./configure", "--disable-debug",
-                          "--disable-dependency-tracking",
-                          "--disable-silent-rules",
-                          "--prefix=#{prefix}"
-    system "make"
-    system "make", "check" if build.with? "test"
-    system "make", "install"
-  end
-
-  test do
-    (testpath/"sample.sollya").write <<~EOS
-      1+x==1+x;
-    EOS
-    assert_match "true", shell_output("#{bin}/sollya sample.sollya", 3)
-  end
-end
diff --git a/Formula/symengine.rb b/Formula/symengine.rb
deleted file mode 100644
index ba1f15f9..00000000
--- a/Formula/symengine.rb
+++ /dev/null
@@ -1,64 +0,0 @@
-class Symengine < Formula
-  desc "Symbolic manipulation library, written in C++"
-  homepage "https://github.com/symengine/symengine"
-  url "https://github.com/symengine/symengine/archive/v0.3.0.tar.gz"
-  sha256 "591463cb9e741d59f6dfd39a7943e3865d3afe9eac47d1a9cbf5ca74b9c49476"
-  head "https://github.com/symengine/symengine.git"
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 cellar: :any, sierra:       "6e223e1128ccb85adcb29786f486647e6b67e007185e289912496a416a3b139c"
-    sha256 cellar: :any, el_capitan:   "2a4a25ee3df6baf76ebfcaeb11736a823ce162183b1a6efa935e8ef1fe5a2468"
-    sha256 cellar: :any, yosemite:     "0ef7fa831900d49bebc874eaf464d6aa422245720079dcef2967816a105e00e8"
-    sha256 cellar: :any, x86_64_linux: "db0653b3e9b2484d3143593f7a8b80a6118fa8dd7addb2a9d2404aec056fe198"
-  end
-
-  option "without-test", "Skip build-time tests (not recommended)"
-
-  depends_on "cmake" => :build
-  depends_on "gmp"
-  depends_on "libmpc"
-  depends_on "mpfr"
-
-  def install
-    ENV.cxx11
-    args = std_cmake_args + [
-      "-DCMAKE_PREFIX_PATH=#{Formula["gmp"].opt_prefix};#{Formula["mpfr"].opt_prefix};#{Formula["libmpc"].opt_prefix}",
-      "-DCMAKE_INSTALL_PREFIX=#{prefix}",
-      "-DBUILD_BENCHMARKS=no",
-      "-DINTEGER_CLASS=gmp",
-      "-DWITH_SYMENGINE_THREAD_SAFE=yes",
-      "-DWITH_MPC=yes",
-      "-DBUILD_FOR_DISTRIBUTION=yes",
-      "-DBUILD_SHARED_LIBS=yes",
-    ]
-
-    mkdir "build" do
-      system "cmake", "..", *args
-      system "make"
-      system "ctest" if build.with? "test"
-      system "make", "install"
-    end
-  end
-
-  test do
-    (testpath/"test.cpp").write <<~EOS
-      #include <symengine/expression.h>
-      #include <symengine/symbol.h>
-      using SymEngine::Expression;
-      using SymEngine::symbol;
-
-      int main(int argc, char* argv[])
-      {
-          Expression x(symbol("x"));
-          auto y = x * x + 2 * x + 1;
-          return EXIT_SUCCESS;
-      }
-    EOS
-
-    ENV.cxx11
-    cmd = [ENV["CXX"], "test.cpp", "-lsymengine", "-lmpc", "-lmpfr", "-lgmp", "-o", "test"]
-    system cmd.join(" ")
-    system "./test"
-  end
-end
diff --git a/Formula/wcslib.rb b/Formula/wcslib.rb
deleted file mode 100644
index 97972aaf..00000000
--- a/Formula/wcslib.rb
+++ /dev/null
@@ -1,49 +0,0 @@
-class Wcslib < Formula
-  desc "Library and utilities for the FITS World Coordinate System"
-  homepage "https://www.atnf.csiro.au/people/mcalabre/WCS/"
-  url "ftp://ftp.atnf.csiro.au/pub/software/wcslib/wcslib-5.16.tar.bz2"
-  sha256 "ed031e0cf1cec0e9cabfc650423efa526fec341441865001c1e2c56bfffc99ef"
-  revision 1
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 cellar: :any, sierra:     "54bbcd8e7f8208f42901a13a637fa2994f0fa9d33e4b3326aba4fc8f171504d4"
-    sha256 cellar: :any, el_capitan: "209c69286e567c4cc34b6b70a0cf9f3beeb1182bb5a63e4ede05f684a0341771"
-    sha256 cellar: :any, yosemite:   "04388c291155822d31637875b883a42d723a445aff90d6e25c9a267091cb312a"
-  end
-
-  option "with-pgplot", "Build PGSBOX, a general curvilinear axis drawing routine for PGPLOT"
-  option "with-fortran", "Build Fortran wrappers. Needed for --with-pgsbox."
-  option "with-test", "Perform `make check`. Note, together --with-pgsbox it will display GUI"
-
-  deprecated_option "with-pgsbox" => "with-pgplot"
-  deprecated_option "with-check" => "with-test"
-
-  depends_on "cfitsio"
-  depends_on "pgplot" => :optional
-  depends_on "libx11" if build.with? "pgplot"
-  depends_on "gcc" if (build.with?("fortran") || build.with?("pgplot")) && OS.mac? # for gfortran
-
-  def install
-    args = ["--disable-debug",
-            "--disable-dependency-tracking",
-            "--prefix=#{prefix}",
-            "--with-cfitsiolib=#{Formula["cfitsio"].opt_lib}",
-            "--with-cfitsioinc=#{Formula["cfitsio"].opt_include}"]
-
-    if build.with? "pgplot"
-      args << "--with-pgplotlib=#{Formula["pgplot"].opt_lib}"
-      args << "--with-pgplotinc=#{Formula["pgplot"].opt_include}"
-    else
-      args << "--without-pgplot"
-      args << "--disable-fortran" if build.without? "fortran"
-    end
-
-    system "./configure", *args
-
-    ENV.deparallelize
-    system "make"
-    system "make", "check" if build.with? "check"
-    system "make", "install"
-  end
-end
diff --git a/Formula/wcstools.rb b/Formula/wcstools.rb
deleted file mode 100644
index 04dbf0c0..00000000
--- a/Formula/wcstools.rb
+++ /dev/null
@@ -1,24 +0,0 @@
-class Wcstools < Formula
-  desc "Tools for using World Coordinate Systems (WCS) in astronomical images"
-  homepage "http://tdc-www.harvard.edu/wcstools/"
-  url "http://tdc-www.harvard.edu/software/wcstools/wcstools-3.9.5.tar.gz"
-  sha256 "b2f9be55fdec29f0c640028a9986771bfd6ab3d2f633953e4c7cc3b410e5fe9c"
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 cellar: :any_skip_relocation, high_sierra:  "b0b7badef0e5ca704231f4e02ac72c4a4b26e165c40a48516ebd6e745eb17b13"
-    sha256 cellar: :any_skip_relocation, sierra:       "e2dec9afd018c2cfa774d4a7f948160ecd51560a310a8b60b940e43db8f388ae"
-    sha256 cellar: :any_skip_relocation, el_capitan:   "981435e5ae21235f080c7a5bdf750d51e4be3b0090ac2b2ebbd62bc5371a552b"
-    sha256 cellar: :any_skip_relocation, x86_64_linux: "a4aaf0b6b8deed563fe758a28f476f130f77c9739ff0e5beeeffdf43e87c1424"
-  end
-
-  def install
-    system "make", "-f", "Makefile.osx", "all"
-
-    prefix.install "bin"
-  end
-
-  test do
-    assert_match "IMHEAD", shell_output("#{bin}/imhead 2>&1", 1)
-  end
-end
diff --git a/Formula/xbyak.rb b/Formula/xbyak.rb
deleted file mode 100644
index bb4462d1..00000000
--- a/Formula/xbyak.rb
+++ /dev/null
@@ -1,54 +0,0 @@
-class Xbyak < Formula
-  desc "Header file for dynamic assembly: x86(IA32), x64(AMD64, x86-64) mnemonic"
-  homepage "http://herumi.in.coocan.jp"
-  url "https://github.com/herumi/xbyak/archive/v5.53.tar.gz"
-  sha256 "5685a283573e35a3791be2bb80c301e810c6e3fcba29dd4740154fc73ee3f490"
-  head "https://github.com/herumi/xbyak.git"
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 cellar: :any_skip_relocation, sierra:       "744b9153333bc23a5fe778402cf93a77b9b8039b0bf8f38bfd37c058fb1e269d"
-    sha256 cellar: :any_skip_relocation, el_capitan:   "744b9153333bc23a5fe778402cf93a77b9b8039b0bf8f38bfd37c058fb1e269d"
-    sha256 cellar: :any_skip_relocation, yosemite:     "744b9153333bc23a5fe778402cf93a77b9b8039b0bf8f38bfd37c058fb1e269d"
-    sha256 cellar: :any_skip_relocation, x86_64_linux: "9fb000c7df3a2e283c5dd42434c302367583f310d80bee94c85e1b001dad4ac1"
-  end
-
-  def install
-    system "make", "install", "PREFIX=#{prefix}"
-  end
-
-  test do
-    (testpath / "test.cpp").write <<~EOS
-      #include <stdio.h>
-      #include <xbyak/xbyak.h>
-
-      class Sample : public Xbyak::CodeGenerator {
-      public:
-          Sample(int n)
-          {
-              mov(ecx, n); // -- (A)
-              xor(eax, eax); // sum
-              test(ecx, ecx);
-              jbe("exit");
-              xor(edx, edx); // i
-          L("lp");
-              add(eax, edx);
-              inc(edx);
-              cmp(edx, ecx);
-              jbe("lp");
-          L("exit");
-              ret();
-          }
-      };
-      int main(int argc, char *argv[])
-      {
-          int n = 100;
-          Sample s(n);
-          printf("1 + ... + %d = %d\\n", n, ((int (*)())s.getCode())());
-          return 0;
-      }
-    EOS
-    system ENV.cxx, "test.cpp", "-fno-operator-names", "-pedantic", "-o", "test"
-    system "./test"
-  end
-end
diff --git a/Formula/xfig.rb b/Formula/xfig.rb
deleted file mode 100644
index 5db79a35..00000000
--- a/Formula/xfig.rb
+++ /dev/null
@@ -1,30 +0,0 @@
-class Xfig < Formula
-  desc "Interactive drawing tool for the X Window System"
-  homepage "https://mcj.sourceforge.io/"
-  url "https://downloads.sourceforge.net/project/mcj/xfig-3.2.6a.tar.xz"
-  sha256 "a87aeb5d424aadb84ede137291bbe8649551209a807c94f0956fc323b819267c"
-  revision 1
-
-  bottle do
-    root_url "https://archive.org/download/brewsci/bottles-science"
-    sha256 sierra:     "964981e25d43fa075b88db9d9926b7bf1695a4967508f289527130c3187dfdff"
-    sha256 el_capitan: "6b2b699c0ffd866f0bf44230d6867dc178ead9e21361f8fbebf9505ea017a7c1"
-    sha256 yosemite:   "d075ab9a33cadba801f7e4b568e8dbca32ad30edd7bde8ab8139c7dfbe450080"
-  end
-
-  depends_on "ghostscript"
-  depends_on "jpeg"
-  depends_on "libpng"
-  depends_on "libx11"
-
-  def install
-    system "./configure", "--prefix=#{prefix}",
-                          "--disable-dependency-tracking"
-    system "make"
-    system "make", "install"
-  end
-
-  test do
-    system "#{bin}/xfig", "-v"
-  end
-end
diff --git a/tap_migrations.json b/tap_migrations.json
index f4c267bb..2dc10ae9 100644
--- a/tap_migrations.json
+++ b/tap_migrations.json
@@ -18,6 +18,7 @@
   "art": "brewsci/bio",
   "artemis": "brewsci/bio",
   "astral": "brewsci/bio",
+  "astrometry-net": "homebrew/core",
   "augustus": "homebrew/core",
   "bamm": "brewsci/bio",
   "bamtools": "homebrew/core",
@@ -36,6 +37,7 @@
   "biomake": "brewsci/bio",
   "blast": "homebrew/core",
   "blat": "brewsci/bio",
+  "blis": "homebrew/core",
   "bowtie": "brewsci/bio",
   "bowtie2": "homebrew/core",
   "breseq": "brewsci/bio",
@@ -46,10 +48,12 @@
   "ccfits": "homebrew/core",
   "cd-hit": "brewsci/bio",
   "cddlib": "homebrew/core",
+  "cdo": "homebrew/core",
   "cdsclient": "homebrew/core",
   "centrifuge": "brewsci/bio",
   "ceres-solver": "homebrew/core",
   "cfitsio": "homebrew/core",
+  "cgns": "homebrew/core",
   "circlator": "brewsci/bio",
   "circos": "brewsci/bio",
   "clblas": "homebrew/core",
@@ -91,8 +95,10 @@
   "flann": "homebrew/core",
   "flash": "brewsci/bio",
   "flint": "homebrew/core",
+  "fplll": "homebrew/core",
   "freebayes": "brewsci/bio",
   "fwdpp": "brewsci/bio",
+  "g2o": "homebrew/core",
   "gatk": "brewsci/bio",
   "gdcm": "homebrew/core",
   "genewise": "brewsci/bio",
@@ -102,6 +108,7 @@
   "gmsh": "homebrew/core",
   "gmt": "homebrew/core",
   "gmt4": "homebrew/core",
+  "graph-tool": "homebrew/core",
   "gromacs": "homebrew/core",
   "harvest-tools": "brewsci/bio",
   "hdf5": "homebrew/core",
@@ -136,22 +143,26 @@
   "lammps": "homebrew/core",
   "last": "brewsci/bio",
   "lastz": "brewsci/bio",
-  "liblbfgs": "homebrew/core",
   "libbi": "homebrew/core",
   "libbigwig": "brewsci/bio",
   "libccd": "homebrew/core",
+  "libcerf": "homebrew/core",
   "libdivsufsort": "brewsci/bio",
+  "liblbfgs": "homebrew/core",
   "libmatio": "homebrew/core",
   "libpll": "brewsci/bio",
   "libsbol": "homebrew/core",
   "libsequence": "brewsci/bio",
+  "libsigrokdecode": "homebrew/core",
   "lighter": "brewsci/bio",
   "links-scaffolder": "brewsci/bio",
   "lmfit": "homebrew/core",
   "lmod": "homebrew/core",
+  "lp_solve": "homebrew/core",
   "lrsim": "brewsci/bio",
   "mafft": "homebrew/core",
   "maker": "brewsci/bio",
+  "mallet": "homebrew/core",
   "mash": "homebrew/core",
   "masurca": "brewsci/bio",
   "matplotlib": "brewsci/bio",
@@ -161,15 +172,18 @@
   "meme": "brewsci/bio",
   "metaphlan": "brewsci/bio",
   "metis": "homebrew/core",
+  "mfem": "homebrew/core",
   "mhap": "brewsci/bio",
   "minced": "brewsci/bio",
   "minia": "brewsci/bio",
   "miniasm": "brewsci/bio",
   "minimap": "brewsci/bio",
   "mir-prefer": "brewsci/bio",
+  "mlpack": "homebrew/core",
   "mlst": "brewsci/bio",
   "mothur": "brewsci/bio",
   "mrbayes": "brewsci/bio",
+  "msieve": "homebrew/core",
   "mummer": "brewsci/bio",
   "muscle": "brewsci/bio",
   "nanoflann": "homebrew/core",
@@ -177,6 +191,7 @@
   "nauty": "homebrew/core",
   "nco": "homebrew/core",
   "ncview": "homebrew/core",
+  "nest": "homebrew/core",
   "netcdf": "homebrew/core",
   "newick-utils": "brewsci/bio",
   "nextflow": "brewsci/bio",
@@ -192,6 +207,7 @@
   "openblas": "homebrew/core",
   "opencascade": "homebrew/core",
   "opencv3": "homebrew/core",
+  "openfst": "homebrew/core",
   "openimageio": "homebrew/core",
   "orocos-kdl": "homebrew/core",
   "packmol": "homebrew/core",
@@ -208,10 +224,12 @@
   "picard-tools": "homebrew/core",
   "pilon": "brewsci/bio",
   "plink2": "brewsci/bio",
+  "pocl": "homebrew/core",
   "prank": "brewsci/bio",
   "primer3": "homebrew/core",
   "prodigal": "homebrew/core",
   "prokka": "brewsci/bio",
+  "proteinortho": "homebrew/core",
   "qhull": "homebrew/core",
   "qrupdate": "homebrew/core",
   "quast": "brewsci/bio",
@@ -241,13 +259,16 @@
   "sga": "brewsci/bio",
   "shogun": "homebrew/core",
   "sickle": "homebrew/core",
+  "sigrok-cli": "homebrew/core",
   "simulate-pcr": "brewsci/bio",
   "siril": "homebrew/core",
+  "slepc": "homebrew/core",
   "smalt": "brewsci/bio",
   "snap": "brewsci/bio",
   "snoscan": "brewsci/bio",
   "snp-sites": "brewsci/bio",
   "snpeff": "brewsci/bio",
+  "sollya": "homebrew/core",
   "sortmerna": "brewsci/bio",
   "spades": "homebrew/core",
   "sratoolkit": "homebrew/core",
@@ -256,6 +277,7 @@
   "suite-sparse": "homebrew/core",
   "sundials": "homebrew/core",
   "superlu": "homebrew/core",
+  "symengine": "homebrew/core",
   "tbl2asn": "brewsci/bio",
   "tensorflow": "homebrew/core",
   "transabyss": "brewsci/bio",
@@ -282,6 +304,10 @@
   "vsearch": "brewsci/bio",
   "vt": "brewsci/bio",
   "vtk": "homebrew/core",
+  "wcslib": "homebrew/core",
+  "wcstools": "homebrew/core",
   "wiggletools": "brewsci/bio",
-  "wxmaxima": "homebrew/core"
+  "wxmaxima": "homebrew/core",
+  "xbyak": "homebrew/core",
+  "xfig": "homebrew/core"
 }