diff --git a/tools/flattener/ignoreRules.js b/tools/flattener/ignoreRules.js
index 1e8efd9e..a2e49b65 100644
--- a/tools/flattener/ignoreRules.js
+++ b/tools/flattener/ignoreRules.js
@@ -15,7 +15,6 @@ const DEFAULT_PATTERNS = [
   "**/node_modules/**",
   "**/bower_components/**",
   "**/vendor/**",
-  "**/packages/**",
   "**/build/**",
   "**/dist/**",
   "**/out/**",