diff --git a/nix/buildableShell.nix b/nix/buildableShell.nix
deleted file mode 100644
index fcc7920..0000000
--- a/nix/buildableShell.nix
+++ /dev/null
@@ -1,15 +0,0 @@
-# This function takes a `nix-shell`-able derivation and returns a derivation
-# that can be built. The runtime dependencies of the resulting derivation are
-# the buildtime dependencies of the input derivation.
-{ pkgs, drv }:
-let
-  config = import <nix/config.nix>;
-in
-derivation (drv.drvAttrs // {
-  name = "${drv.name}-env";
-  system = drv.system;
-  _derivation_original_builder = drv.builder;
-  _derivation_original_args = drv.args;
-  builder = pkgs.stdenv.shell;
-  args = [ "-c" " export > $out" ];
-})