diff --git a/lib/target.js b/lib/target.js
index <HASH>..<HASH> 100644
--- a/lib/target.js
+++ b/lib/target.js
@@ -296,7 +296,7 @@ class Target {
       bootstrap: this.bootstrap,
       boilerplate: this.boilerplate,
       includeHeader: this.modular,
-      includeHelpers: this.modular,
+      includeHelpers: !this.hasParent && this.modular,
       watching
     };
fix include of helpers for child targets; closes #<I>