diff --git a/krebs/5pkgs/default.nix b/krebs/5pkgs/default.nix
index 3cb471c77..4cdaedebf 100644
--- a/krebs/5pkgs/default.nix
+++ b/krebs/5pkgs/default.nix
@@ -16,7 +16,6 @@ foldl' mergeAttrs {}
   reaktor2 = self.haskellPackages.reaktor2;
 
   ReaktorPlugins = self.callPackage ./simple/Reaktor/plugins.nix {};
-  prison-break = nur.repos.makefu.prison-break;
 
   # https://github.com/proot-me/PRoot/issues/106
   proot = self.writeDashBin "proot" ''