diff --git a/pkgs/applications/networking/browsers/firefox/common.nix b/pkgs/applications/networking/browsers/firefox/common.nix
index f8a2215ebe78..be5eb550a94c 100644
--- a/pkgs/applications/networking/browsers/firefox/common.nix
+++ b/pkgs/applications/networking/browsers/firefox/common.nix
@@ -19,7 +19,7 @@
 , libffi
 , libvpx
 , libwebp
-, icu, libpng, glib, pciutils
+, icu, libpng, glib
 , autoconf, which, gnused, rustPackages, rustPlatform
 , rust-cbindgen, nodejs, nasm, fetchpatch
 , gnum4
@@ -135,9 +135,6 @@ buildStdenv.mkDerivation ({
 
   postPatch = ''
     rm -rf obj-x86_64-pc-linux-gnu
-    substituteInPlace toolkit/xre/glxtest.cpp \
-      --replace 'dlopen("libpci.so' 'dlopen("${pciutils}/lib/libpci.so'
-
     patchShebangs mach
   '' + extraPostPatch;
 
diff --git a/pkgs/applications/networking/browsers/firefox/wrapper.nix b/pkgs/applications/networking/browsers/firefox/wrapper.nix
index e87eb4b94df6..d5055f04ed82 100644
--- a/pkgs/applications/networking/browsers/firefox/wrapper.nix
+++ b/pkgs/applications/networking/browsers/firefox/wrapper.nix
@@ -12,6 +12,7 @@
 , libva
 , mesa # firefox wants gbm for drm+dmabuf
 , cups
+, pciutils
 }:
 
 ## configurability of the wrapper itself
@@ -66,7 +67,7 @@ let
           ++ lib.optional (cfg.enableFXCastBridge or false) fx_cast_bridge
           ++ extraNativeMessagingHosts
         );
-      libs =   lib.optionals stdenv.isLinux [ udev libva mesa libnotify xorg.libXScrnSaver cups ]
+      libs =   lib.optionals stdenv.isLinux [ udev libva mesa libnotify xorg.libXScrnSaver cups pciutils ]
             ++ lib.optional pipewireSupport pipewire
             ++ lib.optional ffmpegSupport ffmpeg
             ++ lib.optional gssSupport libkrb5