1 files changed, 2 insertions, 1 deletions
diff --git a/lib/plugins/registry.js b/lib/plugins/registry.js
index 064336a..90b8539 100644
--- a/lib/plugins/registry.js
+++ b/lib/plugins/registry.js
@@ -147,8 +147,9 @@ function listPlugins(book) {
         listInstalled(book.root),
         book.isLanguageBook()? listInstalled(book.parent.root) : Promise([])
     ])
-    .spread(function(defaultPlugins, plugins) {
+    .spread(function() {
         var args = _.toArray(arguments);
+
         var results = _.reduce(args, function(out, a) {
             return out.concat(a);
         }, []);