diff --git a/pkgs/build-support/node/build-npm-package/default.nix b/pkgs/build-support/node/build-npm-package/default.nix
index 357a0bd07322..0a988cbbaf3f 100644
--- a/pkgs/build-support/node/build-npm-package/default.nix
+++ b/pkgs/build-support/node/build-npm-package/default.nix
@@ -57,7 +57,5 @@ stdenv.mkDerivation (args // {
   # Stripping takes way too long with the amount of files required by a typical Node.js project.
   dontStrip = args.dontStrip or true;
 
-  passthru = { inherit npmDeps; } // (args.passthru or { });
-
   meta = (args.meta or { }) // { platforms = args.meta.platforms or nodejs.meta.platforms; };
 })