diff --git a/pkgs/desktops/gnome-2/desktop/gtksourceview/default.nix b/pkgs/desktops/gnome-2/desktop/gtksourceview/default.nix
index 9db253dab3a2..902178d16706 100644
--- a/pkgs/desktops/gnome-2/desktop/gtksourceview/default.nix
+++ b/pkgs/desktops/gnome-2/desktop/gtksourceview/default.nix
@@ -4,8 +4,6 @@
 , testers
 }:
 
-with lib;
-
 stdenv.mkDerivation (finalAttrs: {
   pname = "gtksourceview";
   version = "2.10.5";
@@ -17,7 +15,7 @@ stdenv.mkDerivation (finalAttrs: {
     sha256 = "c585773743b1df8a04b1be7f7d90eecdf22681490d6810be54c81a7ae152191e";
   };
 
-  patches = optionals stdenv.isDarwin [
+  patches = lib.optionals stdenv.isDarwin [
     (fetchpatch {
       name = "change-igemacintegration-to-gtkosxapplication.patch";
       url = "https://gitlab.gnome.org/GNOME/gtksourceview/commit/e88357c5f210a8796104505c090fb6a04c213902.patch";
@@ -35,11 +33,11 @@ stdenv.mkDerivation (finalAttrs: {
     atk cairo glib gtk2
     pango libxml2Python perl
     gettext
-  ] ++ optionals stdenv.isDarwin [
+  ] ++ lib.optionals stdenv.isDarwin [
     gnome-common gtk-mac-integration-gtk2
   ];
 
-  preConfigure = optionalString stdenv.isDarwin ''
+  preConfigure = lib.optionalString stdenv.isDarwin ''
     intltoolize --force
   '';