diff --git a/krebs/5pkgs/haskell/hack.nix b/krebs/5pkgs/haskell/hack.nix
deleted file mode 100644
index df3343818..000000000
--- a/krebs/5pkgs/haskell/hack.nix
+++ /dev/null
@@ -1,21 +0,0 @@
-{ mkDerivation, base, blessings, containers, data-default, fetchgit
-, lens, lib, mtl, old-locale, process, scanner, time, unix, zippers
-}:
-mkDerivation {
-  pname = "hack";
-  version = "1.0.1";
-  src = fetchgit {
-    url = "https://cgit.krebsco.de/hack";
-    sha256 = "0ry5ikn89ij512qvk1xhdhfz4s8a6b9yawgx6lxgnw5jkiyjd7ka";
-    rev = "f3ea150aca5cc86878fa10bc5b1f0918fc154e2a";
-    fetchSubmodules = true;
-  };
-  isLibrary = true;
-  isExecutable = true;
-  libraryHaskellDepends = [ base ];
-  executableHaskellDepends = [
-    base blessings containers data-default lens mtl old-locale process
-    scanner time unix zippers
-  ];
-  license = lib.licenses.mit;
-}