diff --git a/default.nix b/default.nix
deleted file mode 100644
index bb7e2ed..0000000
--- a/default.nix
+++ /dev/null
@@ -1,11 +0,0 @@
-{ nixpkgs ? import <nixpkgs> {}, compiler ? null }:
-let
-  haskellPackages = if compiler == null
-                    # use the current default version
-                    then nixpkgs.pkgs.haskellPackages
-                    else nixpkgs.pkgs.haskell.packages.${compiler};
-in
-
-haskellPackages.callPackage ./project.nix {
-  pkgs = nixpkgs;
-}
diff --git a/shell.nix b/shell.nix
deleted file mode 100644
index 029cc03..0000000
--- a/shell.nix
+++ /dev/null
@@ -1,2 +0,0 @@
-{ nixpkgs ? import <nixpkgs> {}, compiler ? "ghc801" }:
-(import ./default.nix { inherit nixpkgs compiler; }).env