diff --git a/pkgs/applications/window-managers/weston/default.nix b/pkgs/applications/window-managers/weston/default.nix
index 10f67558cfc..799c58283d9 100644
--- a/pkgs/applications/window-managers/weston/default.nix
+++ b/pkgs/applications/window-managers/weston/default.nix
@@ -7,7 +7,6 @@
 # beware of null defaults, as the parameters *are* supplied by callPackage by default
 }:
 
-with lib;
 stdenv.mkDerivation rec {
   pname = "weston";
   version = "10.0.1";
@@ -34,25 +33,25 @@ stdenv.mkDerivation rec {
   ];
 
   mesonFlags= [
-    "-Dbackend-drm-screencast-vaapi=${boolToString (vaapi != null)}"
-    "-Dbackend-rdp=${boolToString (freerdp != null)}"
-    "-Dxwayland=${boolToString (xwayland != null)}" # Default is true!
+    "-Dbackend-drm-screencast-vaapi=${lib.boolToString (vaapi != null)}"
+    "-Dbackend-rdp=${lib.boolToString (freerdp != null)}"
+    "-Dxwayland=${lib.boolToString (xwayland != null)}" # Default is true!
     "-Dremoting=false" # TODO
-    "-Dpipewire=${boolToString (pipewire != null)}"
-    "-Dimage-webp=${boolToString (libwebp != null)}"
+    "-Dpipewire=${lib.boolToString (pipewire != null)}"
+    "-Dimage-webp=${lib.boolToString (libwebp != null)}"
     "-Ddemo-clients=false"
     "-Dsimple-clients="
     "-Dtest-junit-xml=false"
     # TODO:
     #"--enable-clients"
     #"--disable-setuid-install" # prevent install target to chown root weston-launch, which fails
-  ] ++ optionals (xwayland != null) [
+  ] ++ lib.optionals (xwayland != null) [
     "-Dxwayland-path=${xwayland.out}/bin/Xwayland"
   ];
 
   passthru.providedSessions = [ "weston" ];
 
-  meta = {
+  meta = with lib; {
     description = "A lightweight and functional Wayland compositor";
     longDescription = ''
       Weston is the reference implementation of a Wayland compositor, as well