diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 96c423f3..b2de0c66 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -18,5 +18,6 @@ jobs:
       with:
         name: nix-community
         signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
+    - run: ./format -c
     - run: nix-shell . -A install
     - run: nix-shell --pure tests -A run.all
diff --git a/tests/default.nix b/tests/default.nix
index 6ece9dfd..5d857c02 100644
--- a/tests/default.nix
+++ b/tests/default.nix
@@ -76,7 +76,6 @@ import nmt {
   ] ++ lib.optionals pkgs.stdenv.hostPlatform.isDarwin [
     ./modules/targets-darwin
   ] ++ lib.optionals pkgs.stdenv.hostPlatform.isLinux [
-    ./meta # Suffices to run on one platform.
     ./modules/misc/debug
     ./modules/misc/numlock
     ./modules/misc/pam
diff --git a/tests/meta/default.nix b/tests/meta/default.nix
deleted file mode 100644
index 0f02fcfb..00000000
--- a/tests/meta/default.nix
+++ /dev/null
@@ -1 +0,0 @@
-{ meta-formatting = ./formatting.nix; }
diff --git a/tests/meta/formatting.nix b/tests/meta/formatting.nix
deleted file mode 100644
index 2d5800c5..00000000
--- a/tests/meta/formatting.nix
+++ /dev/null
@@ -1,27 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-with lib;
-
-let
-
-  pinnedNixpkgs = builtins.fetchTarball {
-    url =
-      "https://github.com/NixOS/nixpkgs/archive/05f0934825c2a0750d4888c4735f9420c906b388.tar.gz";
-    sha256 = "1g8c2w0661qn89ajp44znmwfmghbbiygvdzq0rzlvlpdiz28v6gy";
-  };
-
-  pinnedPkgs = import pinnedNixpkgs { };
-
-in {
-  config = {
-    nmt.script = ''
-      PATH="${with pinnedPkgs; lib.makeBinPath [ findutils nixfmt ]}:$PATH"
-      cd ${../..}
-      if ! ${pkgs.runtimeShell} format -c; then
-        fail "${''
-        Expected source code to be formatted with nixfmt but it was not.
-        This error can be resolved by running the './format' in the project root directory.''}"
-      fi
-    '';
-  };
-}