1 files changed, 1 insertions, 5 deletions
diff --git a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtserialport.nix b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtserialport.nix
index caeaedbcf3d5..89d96eb29124 100644
--- a/nixpkgs/pkgs/development/libraries/qt-5/modules/qtserialport.nix
+++ b/nixpkgs/pkgs/development/libraries/qt-5/modules/qtserialport.nix
@@ -1,11 +1,7 @@
 { qtModule, stdenv, lib, qtbase, systemd }:
 
-let inherit (lib) getLib optional; in
-
 qtModule {
   pname = "qtserialport";
   qtInputs = [ qtbase ];
-  NIX_CFLAGS_COMPILE =
-    optional stdenv.isLinux
-    ''-DNIXPKGS_LIBUDEV="${getLib systemd}/lib/libudev"'';
+  NIX_CFLAGS_COMPILE = lib.optionalString stdenv.isLinux "-DNIXPKGS_LIBUDEV=\"${lib.getLib systemd}/lib/libudev\"";
 }