diff --git a/pkgs/top-level/emacs-packages.nix b/pkgs/top-level/emacs-packages.nix
index 4a1e7de8052..c1e1baaaf8e 100644
--- a/pkgs/top-level/emacs-packages.nix
+++ b/pkgs/top-level/emacs-packages.nix
@@ -1801,20 +1801,6 @@ let
     };
   };
 
-  undo-tree = melpaBuild rec {
-    pname   = "undo-tree";
-    version = "0.6.4";
-    src = fetchgit {
-      url    = "http://www.dr-qubit.org/git/${pname}.git";
-      rev    = "a3e81b682053a81e082139300ef0a913a7a610a2";
-      sha256 = "1qla7njkb7gx5aj87i8x6ni8jfk1k78ivwfiiws3gpbnyiydpx8y";
-    };
-    meta = {
-      description = "A port of Vim's undo tree functionality to Emacs";
-      license = gpl3Plus;
-    };
-  };
-
   use-package = melpaBuild rec {
     pname   = "use-package";
     version = "20151112";