substituteAll{,Files}: drop

pkgs/build-support/substitute-files/substitute-all-files.nix

@@ -1,33 +0,0 @@
-{ lib, stdenv }:
-
-args:
-
-# TODO(@wolfgangwalther): Remove substituteAllFiles after 25.05 branch-off.
-lib.warn
-  "substituteAllFiles is deprecated and will be removed in 25.11. Use replaceVars for each file instead."
-  (
-    stdenv.mkDerivation (
-      {
-        name = if args ? name then args.name else baseNameOf (toString args.src);
-        builder = builtins.toFile "builder.sh" ''
-          set -o pipefail
-
-          eval "$preInstall"
-
-          args=
-
-          pushd "$src"
-          echo -ne "${lib.concatStringsSep "\\0" args.files}" | xargs -0 -n1 -I {} -- find {} -type f -print0 | while read -d "" line; do
-            mkdir -p "$out/$(dirname "$line")"
-            substituteAll "$line" "$out/$line"
-          done
-          popd
-
-          eval "$postInstall"
-        '';
-        preferLocalBuild = true;
-        allowSubstitutes = false;
-      }
-      // args
-    )
-  )

pkgs/build-support/substitute/substitute-all.nix

@@ -1,29 +0,0 @@
-{ lib, stdenvNoCC }:
-# see the substituteAll in the nixpkgs documentation for usage and constraints
-args:
-let
-  # keep this in sync with substituteAll
-  isInvalidArgName = x: builtins.match "^[a-z][a-zA-Z0-9_]*$" x == null;
-  invalidArgs = builtins.filter isInvalidArgName (builtins.attrNames args);
-in
-# TODO(@wolfgangwalther): Remove substituteAll, the nix function, after 25.05 branch-off.
-lib.warn "substituteAll is deprecated and will be removed in 25.11. Use replaceVars instead." (
-  if invalidArgs == [ ] then
-    stdenvNoCC.mkDerivation (
-      {
-        name = if args ? name then args.name else baseNameOf (toString args.src);
-        builder = ./substitute-all.sh;
-        inherit (args) src;
-        preferLocalBuild = true;
-        allowSubstitutes = false;
-      }
-      // args
-    )
-  else
-    throw ''
-      Argument names for `pkgs.substituteAll` must:
-        - start with a lower case ASCII letter
-        - only contain ASCII letters, digits and underscores
-      Found invalid argument names: ${lib.concatStringsSep ", " invalidArgs}.
-    ''
-)

pkgs/top-level/aliases.nix

@@ -1806,6 +1806,8 @@ mapAliases {
   strawberry-qt5 = throw "strawberry-qt5 has been replaced by strawberry-qt6"; # Added 2024-11-22
   strelka = throw "strelka depends on Python 2.6+, and does not support Python 3."; # Added 2025-03-17
   subberthehut = throw "'subberthehut' has been removed as it was unmaintained upstream"; # Added 2025-05-17
+  substituteAll = throw "`substituteAll` has been removed. Use `replaceVars` instead."; # Added 2025-05-23
+  substituteAllFiles = throw "`substituteAllFiles` has been removed. Use `replaceVars` for each file instead."; # Added 2025-05-23
   suidChroot = throw "'suidChroot' has been dropped as it was unmaintained, failed to build and had questionable security considerations"; # Added 2025-05-17
   suitesparse_4_2 = throw "'suitesparse_4_2' has been removed as it was unmaintained upstream"; # Added 2025-05-17
   suitesparse_4_4 = throw "'suitesparse_4_4' has been removed as it was unmaintained upstream"; # Added 2025-05-17

pkgs/top-level/all-packages.nix

@@ -843,10 +843,6 @@ with pkgs;
 
   substitute = callPackage ../build-support/substitute/substitute.nix { };
 
-  substituteAll = callPackage ../build-support/substitute/substitute-all.nix { };
-
-  substituteAllFiles = callPackage ../build-support/substitute-files/substitute-all-files.nix { };
-
   replaceDependencies = callPackage ../build-support/replace-dependencies.nix { };
 
   replaceDependency =