diff --git a/pkgs/applications/networking/browsers/firefox/packages.nix b/pkgs/applications/networking/browsers/firefox/packages.nix
index b8590739dac..d31a1a0e54c 100644
--- a/pkgs/applications/networking/browsers/firefox/packages.nix
+++ b/pkgs/applications/networking/browsers/firefox/packages.nix
@@ -1,4 +1,4 @@
-{ config, stdenv, lib, callPackage, fetchurl, fetchpatch, nss_3_44 }:
+{ stdenv, lib, callPackage, fetchurl, fetchpatch }:
 
 let
   common = opts: callPackage (import ./common.nix opts) {};