diff --git a/pkgs/applications/virtualization/virt-viewer/default.nix b/pkgs/applications/virtualization/virt-viewer/default.nix
index 8c621271e757..a4e32f618a04 100644
--- a/pkgs/applications/virtualization/virt-viewer/default.nix
+++ b/pkgs/applications/virtualization/virt-viewer/default.nix
@@ -32,9 +32,6 @@
 , vte
 , wrapGAppsHook3
 }:
-
-with lib;
-
 stdenv.mkDerivation rec {
   pname = "virt-viewer";
   version = "11.0";
@@ -76,18 +73,18 @@ stdenv.mkDerivation rec {
     libvirt-glib
     libxml2
     vte
-  ] ++ optionals ovirtSupport [
+  ] ++ lib.optionals ovirtSupport [
     libgovirt
-  ] ++ optionals spiceSupport ([
+  ] ++ lib.optionals spiceSupport ([
     gdbm
     spice-gtk
     spice-protocol
-  ] ++ optionals stdenv.isLinux [
+  ] ++ lib.optionals stdenv.isLinux [
     libcap
   ]);
 
   # Required for USB redirection PolicyKit rules file
-  propagatedUserEnvPkgs = optional spiceSupport spice-gtk;
+  propagatedUserEnvPkgs = lib.optional spiceSupport spice-gtk;
 
   mesonFlags = [
     (lib.mesonEnable "ovirt" ovirtSupport)
@@ -99,7 +96,7 @@ stdenv.mkDerivation rec {
     patchShebangs build-aux/post_install.py
   '';
 
-  meta = {
+  meta = with lib; {
     description = "Viewer for remote virtual machines";
     maintainers = with maintainers; [ raskin atemu ];
     platforms = with platforms; linux ++ darwin;