diff --git a/pkgs/applications/editors/emacs-modes/dash/default.nix b/pkgs/applications/editors/emacs-modes/dash/default.nix
deleted file mode 100644
index 09b03ccdba6..00000000000
--- a/pkgs/applications/editors/emacs-modes/dash/default.nix
+++ /dev/null
@@ -1,24 +0,0 @@
-{stdenv, fetchurl, emacs}:
-
-let
-  version = "2.12.1";
-in
-stdenv.mkDerivation {
-  name = "emacs-dash-${version}";
-
-  src = fetchurl {
-    url = "https://github.com/magnars/dash.el/archive/${version}.tar.gz";
-    sha256 = "082jl7mp4x063bpj5ad2pc5125k0d6p7rb89gcj7ny3lma9h2ij1";
-  };
-
-  buildInputs = [ emacs ];
-
-  buildPhase = ''
-    emacs -L . --batch -f batch-byte-compile *.el
-  '';
-
-  installPhase = ''
-    install -d $out/share/emacs/site-lisp
-    install *.el *.elc $out/share/emacs/site-lisp
-  '';
-}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 322c59059de..f96d4c5e9c4 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -12244,8 +12244,6 @@ in
 
     darcsum = callPackage ../applications/editors/emacs-modes/darcsum { };
 
-    dash = callPackage ../applications/editors/emacs-modes/dash { };
-
     # ecb = callPackage ../applications/editors/emacs-modes/ecb { };
 
     emacsClangCompleteAsync = callPackage ../applications/editors/emacs-modes/emacs-clang-complete-async { };