nixos: remove environment.noXlibs

.github/CODEOWNERS

@@ -336,9 +336,6 @@ pkgs/by-name/fo/forgejo/                @adamcstephens @bendlas @emilylange
 /pkgs/build-support/node/fetch-npm-deps         @winterqt
 /doc/languages-frameworks/javascript.section.md @winterqt
 
-# environment.noXlibs option aka NoX
-/nixos/modules/config/no-x-libs.nix  @SuperSandro2000
-
 # OCaml
 /pkgs/build-support/ocaml           @ulrikstrid
 /pkgs/development/compilers/ocaml   @ulrikstrid

nixos/doc/manual/configuration/profiles/minimal.section.md

@@ -1,8 +1,6 @@
 # Minimal {#sec-profile-minimal}
 
 This profile defines a small NixOS configuration. It does not contain any
-graphical stuff. It's a very short file that enables
-[noXlibs](#opt-environment.noXlibs), sets
-[](#opt-i18n.supportedLocales) to
-only support the user-selected locale,
-and [disables packages' documentation](#opt-documentation.enable).
+graphical stuff. It's a very short file that sets [](#opt-i18n.supportedLocales)
+to only support the user-selected locale, and
+[disables packages' documentation](#opt-documentation.enable).

nixos/doc/manual/release-notes/rl-2411.section.md

@@ -232,6 +232,9 @@
 
 - `pkgs.nextcloud27` has been removed since it's EOL.
 
+- The `environment.noXlibs` option has been removed. It was a common source of unexpected rebuilds and breakage that was often hard to diagnose.
+  If you need to disable certain libraries, you're encouraged to add your own overlay to your configuration that targets the packages you care about.
+
 - `frigate` was updated past 0.14.0. This release includes various breaking changes, so please go read the [release notes](https://github.com/blakeblackshear/frigate/releases/tag/v0.14.0).
    Most prominently access to the webinterface and API are now protected by authentication. Retrieve the auto-created
    admin account from the `frigate.service` journal after upgrading.

nixos/modules/module-list.nix

@@ -20,7 +20,6 @@
   ./config/nix-channel.nix
   ./config/nix-flakes.nix
   ./config/nix-remote-build.nix
-  ./config/no-x-libs.nix
   ./config/nsswitch.nix
   ./config/power-management.nix
   ./config/pulseaudio.nix

nixos/modules/rename.nix

@@ -21,6 +21,10 @@ in
 
     # Completely removed modules
     (mkRemovedOptionModule [ "environment" "blcr" "enable" ] "The BLCR module has been removed")
+    (mkRemovedOptionModule [ "environment" "noXlibs" ] ''
+      The environment.noXlibs option was removed, as it often caused surprising breakages for new users.
+      If you need its functionality, you can apply similar overlays in your own config.
+    '')
     (mkRemovedOptionModule [ "fonts" "fontconfig" "penultimate" ] "The corresponding package has removed from nixpkgs.")
     (mkRemovedOptionModule [ "hardware" "brightnessctl" ] ''
       The brightnessctl module was removed because newer versions of

pkgs/by-name/he/hello/package.nix

@@ -31,12 +31,6 @@ stdenv.mkDerivation (finalAttrs: {
 
   passthru.tests = {
     version = testers.testVersion { package = hello; };
-
-    invariant-under-noXlibs =
-      testers.testEqualDerivation
-        "hello must not be rebuilt when environment.noXlibs is set."
-        hello
-        (nixos { environment.noXlibs = true; }).pkgs.hello;
   };
 
   passthru.tests.run = callPackage ./test.nix { hello = finalAttrs.finalPackage; };