diff --git a/README.md b/README.md
index d3d46fc..cc7e40f 100644
--- a/README.md
+++ b/README.md
@@ -55,8 +55,6 @@ jobs:
     - uses: actions/checkout@v2.4.0
     - uses: cachix/install-nix-action@v15
       with:
-        install_url: https://nixos-nix-install-tests.cachix.org/serve/vij683ly7sl95nnhb67bdjjfabclr85m/install
-        install_options: '--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve'
         extra_nix_config: |
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
     - run: nix build