diff --git a/pkgs/applications/window-managers/sxhkd/unstable.nix b/pkgs/applications/window-managers/sxhkd/unstable.nix
deleted file mode 100644
index a3379259a8c4..000000000000
--- a/pkgs/applications/window-managers/sxhkd/unstable.nix
+++ /dev/null
@@ -1,23 +0,0 @@
-{ stdenv, fetchFromGitHub, asciidoc, libxcb, xcbutil, xcbutilkeysyms, xcbutilwm }:
-
-stdenv.mkDerivation rec {
-  name = "sxhkd-unstable-2016-08-29";
-
-  src = fetchFromGitHub {
-    owner  = "baskerville";
-    repo   = "sxhkd";
-    rev    = "69b6acc7831bd333b39286c37188e5638ad0de27";
-    sha256 = "11i451hz0icsbxnvbq2bdl6r5kacxf6ps0yvi9ix3vkpxn4zcanh";
-  };
-
-  buildInputs = [ asciidoc libxcb xcbutil xcbutilkeysyms xcbutilwm ];
-
-  makeFlags = ''PREFIX=$(out)'';
-
-  meta = with stdenv.lib; {
-    description = "Simple X hotkey daemon (git version)";
-    inherit (src.meta) homepage;
-    license = licenses.bsd2;
-    platforms = platforms.linux;
-  };
-}
diff --git a/pkgs/misc/emulators/dosbox/unstable.nix b/pkgs/misc/emulators/dosbox/unstable.nix
deleted file mode 100644
index e1762d66641a..000000000000
--- a/pkgs/misc/emulators/dosbox/unstable.nix
+++ /dev/null
@@ -1,41 +0,0 @@
-{ stdenv, fetchsvn, SDL, SDL_net, SDL_sound, libpng, makeDesktopItem, libGLU_combined, autoreconfHook }:
-
-let revision = "4025";
-    revisionDate = "2017-07-02";
-    revisionSha = "0hbghdlvm6qibp0df35qxq35km4nza3sm301x380ghamxq2vgy6a";
-in stdenv.mkDerivation rec {
-  name = "dosbox-unstable-${revisionDate}";
-
-  src = fetchsvn {
-    url = "https://dosbox.svn.sourceforge.net/svnroot/dosbox/dosbox/trunk";
-    rev = revision;
-    sha256 = revisionSha;
-  };
-
-  hardeningDisable = [ "format" ];
-
-  nativeBuildInputs = [ autoreconfHook ];
-  buildInputs = [ SDL SDL_net SDL_sound libpng libGLU_combined ];
-
-  desktopItem = makeDesktopItem {
-    name = "dosbox";
-    exec = "dosbox";
-    comment = "x86 emulator with internal DOS";
-    desktopName = "DOSBox (SVN)";
-    genericName = "DOS emulator";
-    categories = "Application;Emulator;";
-  };
-
-  postInstall = ''
-     mkdir -p $out/share/applications
-     cp ${desktopItem}/share/applications/* $out/share/applications
-  '';
-
-  meta = {
-    homepage = http://www.dosbox.com/;
-    description = "A DOS emulator";
-    platforms = stdenv.lib.platforms.unix;
-    maintainers = with stdenv.lib.maintainers; [ binarin ];
-    license = stdenv.lib.licenses.gpl2Plus;
-  };
-}
diff --git a/pkgs/tools/networking/isync/unstable.nix b/pkgs/tools/networking/isync/unstable.nix
deleted file mode 100644
index 9d32f91d0e19..000000000000
--- a/pkgs/tools/networking/isync/unstable.nix
+++ /dev/null
@@ -1,31 +0,0 @@
-{
-  stdenv, fetchgit,
-  autoconf, automake, cyrus_sasl, db, openssl, perl, pkgconfig, zlib,
-}:
-
-stdenv.mkDerivation rec {
-  name = "isync-git-20170514";
-  rev = "4b3768806278a70db696ba52645dc1b6eb8de58a";
-
-  src = fetchgit {
-    url = "https://git.code.sf.net/p/isync/isync";
-    inherit rev;
-    sha256 = "1cv1isw01cfp7724z6f4pf6k4rx3k1lg0pc1xcq17zpikx9d10fb";
-  };
-
-  nativeBuildInputs = [ autoconf automake perl pkgconfig ];
-  buildInputs = [ cyrus_sasl db openssl zlib ];
-
-  preConfigure = ''
-    touch ChangeLog
-    ./autogen.sh
-  '';
-
-  meta = with stdenv.lib; {
-    homepage = http://isync.sourceforge.net/;
-    description = "Free IMAP and MailDir mailbox synchronizer";
-    license = licenses.gpl2Plus;
-    maintainers = with maintainers; [ the-kenny ttuegel ];
-    platforms = platforms.unix;
-  };
-}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 638d76af7608..ff5fa11ad957 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3490,7 +3490,6 @@ with pkgs;
   ispike = callPackage ../development/libraries/science/robotics/ispike { };
 
   isync = callPackage ../tools/networking/isync { };
-  isyncUnstable = callPackage ../tools/networking/isync/unstable.nix { };
 
   jaaa = callPackage ../applications/audio/jaaa { };
 
@@ -15987,8 +15986,6 @@ with pkgs;
 
   bspwm = callPackage ../applications/window-managers/bspwm { };
 
-  bspwm-unstable = callPackage ../applications/window-managers/bspwm/unstable.nix { };
-
   btops = callPackage ../applications/window-managers/btops { };
 
   bvi = callPackage ../applications/editors/bvi { };
@@ -18231,8 +18228,6 @@ with pkgs;
 
   sxhkd = callPackage ../applications/window-managers/sxhkd { };
 
-  sxhkd-unstable = callPackage ../applications/window-managers/sxhkd/unstable.nix { };
-
   mpop = callPackage ../applications/networking/mpop {
     inherit (darwin.apple_sdk.frameworks) Security;
   };
@@ -21987,7 +21982,6 @@ with pkgs;
   dell-530cdn = callPackage ../misc/drivers/dell-530cdn {};
 
   dosbox = callPackage ../misc/emulators/dosbox { };
-  dosbox-unstable = callPackage ../misc/emulators/dosbox/unstable.nix { };
 
   dpkg = callPackage ../tools/package-management/dpkg { };