diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index fff8986f109a..6f291cdd88f7 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -29455,7 +29455,6 @@ with pkgs;
   thunderbirdPackages = recurseIntoAttrs (callPackage ../applications/networking/mailreaders/thunderbird/packages.nix {
     callPackage = newScope {
       inherit (rustPackages) cargo rustc;
-      gnused = gnused_422;
     };
   });