diff --git a/pkgs/applications/networking/browsers/firefox-bin/default.nix b/pkgs/applications/networking/browsers/firefox-bin/default.nix
index 6cf778c56a98..cb442f673598 100644
--- a/pkgs/applications/networking/browsers/firefox-bin/default.nix
+++ b/pkgs/applications/networking/browsers/firefox-bin/default.nix
@@ -8,7 +8,6 @@
 , dbus
 , fontconfig
 , freetype
-, gconf
 , gdk-pixbuf
 , glib
 , glibc
@@ -101,7 +100,6 @@ stdenv.mkDerivation {
       dbus
       fontconfig
       freetype
-      gconf
       gdk-pixbuf
       glib
       glibc
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 41e9c531d032..d745fe9b9795 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -19760,7 +19760,6 @@ in
   firefox-bin-unwrapped = callPackage ../applications/networking/browsers/firefox-bin {
     channel = "release";
     generated = import ../applications/networking/browsers/firefox-bin/release_sources.nix;
-    gconf = pkgs.gnome2.GConf;
   };
 
   firefox-bin = wrapFirefox firefox-bin-unwrapped {
@@ -19772,7 +19771,6 @@ in
   firefox-beta-bin-unwrapped = firefox-bin-unwrapped.override {
     channel = "beta";
     generated = import ../applications/networking/browsers/firefox-bin/beta_sources.nix;
-    gconf = pkgs.gnome2.GConf;
   };
 
   firefox-beta-bin = res.wrapFirefox firefox-beta-bin-unwrapped {
@@ -19784,7 +19782,6 @@ in
   firefox-devedition-bin-unwrapped = callPackage ../applications/networking/browsers/firefox-bin {
     channel = "devedition";
     generated = import ../applications/networking/browsers/firefox-bin/devedition_sources.nix;
-    gconf = pkgs.gnome2.GConf;
   };
 
   firefox-devedition-bin = res.wrapFirefox firefox-devedition-bin-unwrapped {