diff --git a/gtk-vnc.rb b/gtk-vnc.rb
deleted file mode 100644
index fcfe196..0000000
--- a/gtk-vnc.rb
+++ /dev/null
@@ -1,35 +0,0 @@
-class GtkVnc < Formula
-  desc "VNC viewer widget for GTK"
-  homepage "https://wiki.gnome.org/Projects/gtk-vnc"
-  url "https://download.gnome.org/sources/gtk-vnc/0.5/gtk-vnc-0.5.4.tar.xz"
-  sha256 "488aa97a76ce6868160699cd45d4a0ee0fe6f0ad4631737c6ddd84450f6c9ce7"
-
-  depends_on "gobject-introspection" => :build
-  depends_on "intltool" => :build
-  depends_on "libtool" => :build
-  depends_on "pkg-config" => :build
-  depends_on "vala" => :build
-
-  depends_on "atk"
-  depends_on "cairo"
-  depends_on "gdk-pixbuf"
-  depends_on "gettext"
-  depends_on "glib"
-  depends_on "gnutls"
-  depends_on "gtk+3"
-  depends_on "libgcrypt"
-  depends_on "libgpg-error"
-  depends_on "pango"
-  # TODO: sound
-  # depends_on "pulseaudio"
-
-  def install
-    system "./configure", "--disable-dependency-tracking",
-                          "--disable-silent-rules",
-                          "--with-gtk=3.0",
-                          "--enable-introspection",
-                          "--with-coroutine=gthread",
-                          "--prefix=#{prefix}"
-    system "make", "install"
-  end
-end
diff --git a/libosinfo.rb b/libosinfo.rb
deleted file mode 100644
index 70d2002..0000000
--- a/libosinfo.rb
+++ /dev/null
@@ -1,39 +0,0 @@
-class Libosinfo < Formula
-  desc "The operating system information database"
-  homepage "https://libosinfo.org/"
-  url "https://fedorahosted.org/releases/l/i/libosinfo/libosinfo-0.3.0.tar.gz"
-  sha256 "538a3468792e919edf5364fe102d751353ae600a92ad3a24f024424a182cefbc"
-
-  depends_on "gobject-introspection" => :build
-  depends_on "intltool" => :build
-  depends_on "pkg-config" => :build
-  depends_on "wget" => :build
-
-  depends_on "check"
-  depends_on "libsoup-with-gnome"
-  depends_on "libxml2"
-
-  patch :DATA # remove unknown linker option: --no-undefined
-
-  def install
-    system "./configure", "--disable-dependency-tracking",
-                          "--disable-silent-rules",
-                          "--enable-introspection",
-                          "--prefix=#{prefix}"
-    system "make", "install"
-  end
-end
-__END__
-diff --git a/configure b/configure
-index 01b764d..22f7d15 100755
---- a/configure
-+++ b/configure
-@@ -14694,7 +14694,7 @@ case "$host" in
-     ;;
-
-   *)
--    NO_UNDEFINED_FLAGS="-Wl,--no-undefined"
-+    NO_UNDEFINED_FLAGS=""
-     VERSION_SCRIPT_FLAGS=-Wl,--version-script=
-     `ld --help 2>&1 | grep -- --version-script >/dev/null` || \
-       VERSION_SCRIPT_FLAGS="-Wl,-M -Wl,"
diff --git a/libsoup-with-gnome.rb b/libsoup-with-gnome.rb
deleted file mode 100644
index 0dfbabc..0000000
--- a/libsoup-with-gnome.rb
+++ /dev/null
@@ -1,23 +0,0 @@
-class LibsoupWithGnome < Formula
-  desc "HTTP client/server library for GNOME"
-  homepage "https://live.gnome.org/LibSoup"
-  url "https://download.gnome.org/sources/libsoup/2.54/libsoup-2.54.1.tar.xz"
-  sha256 "47b42c232034734d66e5f093025843a5d8cc4b2357c011085a2fd04ef02dd633"
-
-  depends_on "gobject-introspection" => :build
-  depends_on "intltool" => :build
-  depends_on "pkg-config" => :build
-  depends_on "vala" => :build
-
-  depends_on "glib-networking"
-  depends_on "gnutls"
-  depends_on "sqlite"
-
-  def install
-    system "./configure", "--disable-debug",
-                          "--disable-dependency-tracking",
-                          "--disable-silent-rules",
-                          "--prefix=#{prefix}"
-    system "make", "install"
-  end
-end