diff --git a/pkgs/applications/networking/browsers/chromium/common.nix b/pkgs/applications/networking/browsers/chromium/common.nix
index e7597249acdb5..a7955b7e61f23 100644
--- a/pkgs/applications/networking/browsers/chromium/common.nix
+++ b/pkgs/applications/networking/browsers/chromium/common.nix
@@ -3,7 +3,6 @@
 , buildPackages
 , buildPlatform
 , pkgsBuildBuild
-, pkgsBuildTarget
 # Channel data:
 , channel, upstream-info
 # Helper functions:
@@ -13,7 +12,6 @@
 , ninja, pkg-config
 , python3, perl
 , which
-, llvmPackages_attrName
 , libuuid
 , overrideCC
 # postPatch:
@@ -132,7 +130,7 @@ let
   # https://github.com/NixOS/nixpkgs/issues/142901
   buildPlatformLlvmStdenv =
     let
-      llvmPackages = pkgsBuildBuild.${llvmPackages_attrName};
+      llvmPackages = pkgsBuildBuild.rustc.llvmPackages;
     in
       overrideCC llvmPackages.stdenv
         (llvmPackages.stdenv.cc.override {
@@ -165,7 +163,7 @@ let
       ninja pkg-config
       python3WithPackages perl
       which
-      buildPackages.${llvmPackages_attrName}.bintools
+      buildPackages.rustc.llvmPackages.bintools
       bison gperf
     ];
 
@@ -382,8 +380,8 @@ let
     llvmCcAndBintools = symlinkJoin {
       name = "llvmCcAndBintools";
       paths = [
-        pkgsBuildTarget.${llvmPackages_attrName}.llvm
-        pkgsBuildTarget.${llvmPackages_attrName}.stdenv.cc
+        buildPackages.rustc.llvmPackages.llvm
+        buildPackages.rustc.llvmPackages.stdenv.cc
       ];
     };
 
diff --git a/pkgs/applications/networking/browsers/chromium/default.nix b/pkgs/applications/networking/browsers/chromium/default.nix
index afd25b972d785..095fe13f9197a 100644
--- a/pkgs/applications/networking/browsers/chromium/default.nix
+++ b/pkgs/applications/networking/browsers/chromium/default.nix
@@ -1,9 +1,9 @@
-{ newScope, config, stdenv, fetchurl, makeWrapper
+{ newScope, config, stdenv, makeWrapper
 , buildPackages
 , ed, gnugrep, coreutils, xdg-utils
 , glib, gtk3, gtk4, gnome, gsettings-desktop-schemas, gn, fetchgit
 , libva, pipewire, wayland
-, gcc, nspr, nss, runCommand
+, runCommand
 , lib, libkrb5
 , widevine-cdm
 , electron-source # for warnObsoleteVersionConditional
@@ -18,17 +18,12 @@
 , cupsSupport ? true
 , pulseSupport ? config.pulseaudio or stdenv.isLinux
 , commandLineArgs ? ""
-, pkgsBuildTarget
 , pkgsBuildBuild
 , pkgs
 }:
 
 let
-  # Sometimes we access `llvmPackages` via `pkgs`, and other times
-  # via `pkgsFooBar`, so a string (attrname) is the only way to have
-  # a single point of control over the LLVM version used.
-  llvmPackages_attrName = "llvmPackages_17";
-  stdenv = pkgs.${llvmPackages_attrName}.stdenv;
+  stdenv = pkgs.rustc.llvmPackages.stdenv;
 
   # Helper functions for changes that depend on specific versions:
   warnObsoleteVersionConditional = min-version: result:
@@ -48,7 +43,7 @@ let
   callPackage = newScope chromium;
 
   chromium = rec {
-    inherit stdenv llvmPackages_attrName upstream-info;
+    inherit stdenv upstream-info;
 
     mkChromiumDerivation = callPackage ./common.nix ({
       inherit channel chromiumVersionAtLeast versionRange;