diff --git a/pkgs/tools/X11/xbrightness/default.nix b/pkgs/tools/X11/xbrightness/default.nix
index 9b7094cb1c7..cb10718a11b 100644
--- a/pkgs/tools/X11/xbrightness/default.nix
+++ b/pkgs/tools/X11/xbrightness/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, x11, xlibs }:
+{ stdenv, fetchurl, xlibs }:
 
 stdenv.mkDerivation {