1 files changed, 8 insertions, 7 deletions
diff --git a/pkgs/coreboot-payload-coreinfo/default.nix b/pkgs/coreboot-payload-coreinfo/default.nix
index 6513031330c5..21e00031166e 100644
--- a/pkgs/coreboot-payload-coreinfo/default.nix
+++ b/pkgs/coreboot-payload-coreinfo/default.nix
@@ -1,17 +1,18 @@
-{ coreboot, lib, stdenv, writeText, coreinfoConfig ? {}, ... }:
+{ coreboot
+, lib
+, stdenv
+, writeText
+, coreinfoConfig ? {}
+}:
 
-let
-  filteredConfig = lib.filterAttrs (n: v: v != null) coreinfoConfig;
-  lines = lib.mapAttrsToList (name: value: "${name}=${value}") filteredConfig;
-  configFile = writeText "config" (lib.concatStringsSep "\n" lines);
-in stdenv.mkDerivation rec {
+stdenv.mkDerivation rec {
   pname = "coreboot-payload-coreinfo";
   inherit (coreboot.drvAttrs) version src postPatch;
 
   preConfigure = "cd payloads/coreinfo";
   configurePhase = ''
     runHook preConfigure
-    cp ${configFile} .config
+    cp ${coreboot.writeConfig coreinfoConfig} .config
     make olddefconfig
     runHook postConfigure
   '';