diff --git a/packages/behavior/item/actions.js b/packages/behavior/item/actions.js
index b9061cf..8696945 100644
--- a/packages/behavior/item/actions.js
+++ b/packages/behavior/item/actions.js
@@ -73,10 +73,11 @@ export class Actions extends decorate(Traversals) {
     let immediate = true;
     const results = this.traversals.map((traversal) => {
       const result = traversal.traverse(context);
+      // Side-effect for performance.
       if (result instanceof Promise) {
         immediate = false;
       }
-      results.push(result);
+      return result;
     });
     return immediate ? results : TickingPromise.all(results);
   }