diff --git a/pkgs/by-name/mo/mos/package.nix b/pkgs/by-name/mo/mos/package.nix
index 4ac9ee5d042f..5a5260c8261c 100644
--- a/pkgs/by-name/mo/mos/package.nix
+++ b/pkgs/by-name/mo/mos/package.nix
@@ -26,8 +26,6 @@ stdenvNoCC.mkDerivation (finalAttrs: {
     runHook postInstall
   '';
 
-  passthru.updateScript = nix-update-script { };
-
   meta = {
     description = "Smooths scrolling and set mouse scroll directions independently on macOS";
     homepage = "https://mos.caldis.me/";