diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 3a0c41d6a..eb58c482d 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -13,9 +13,6 @@ jobs:
     - uses: cachix/install-nix-action@v18
       with:
         nix_path: nixpkgs=channel:nixos-unstable
-        # nix 2.6 breaks restrict-eval, when using the NIX_PATH
-        # see https://github.com/NixOS/nix/issues/5980
-        install_url: https://releases.nixos.org/nix/nix-2.5.1/install
         extra_nix_config: |
           experimental-features = nix-command flakes
     - run: ./ci/test.sh