diff --git a/pkgs/applications/editors/emacs-modes/cryptol/default.nix b/pkgs/applications/editors/emacs-modes/cryptol/default.nix
deleted file mode 100644
index 5b408ad7999d..000000000000
--- a/pkgs/applications/editors/emacs-modes/cryptol/default.nix
+++ /dev/null
@@ -1,26 +0,0 @@
-{ stdenv, fetchurl, emacs }:
-
-stdenv.mkDerivation rec {
-  name    = "cryptol-mode-${version}";
-  version = "0.1.0";
-
-  src = fetchurl {
-    url    = "https://github.com/thoughtpolice/cryptol-mode/archive/v${version}.tar.gz";
-    sha256 = "1qyrqvfgpg1nyk1clv7v94r3amm02613hrak5732xzn6iak81cc0";
-  };
-
-  buildInputs = [ emacs ];
-
-  installPhase = ''
-    install -d $out/share/emacs/site-lisp
-    install *.el *.elc $out/share/emacs/site-lisp
-  '';
-
-  meta = {
-    description = "Emacs major mode for Cryptol";
-    homepage    = "https://thoughtpolice/cryptol-mode";
-    license     = stdenv.lib.licenses.gpl3Plus;
-    platforms   = stdenv.lib.platforms.all;
-    maintainers = [ stdenv.lib.maintainers.thoughtpolice ];
-  };
-}