diff --git a/synth.py b/synth.py
index 3f6e0aa..af3a48b 100644
--- a/synth.py
+++ b/synth.py
@@ -27,7 +27,7 @@
   library = gapic.node_library(
     'recaptchaenterprise',
     version)
-  s.copy(library, excludes=['README.md'])
+  s.copy(library, excludes=['README.md', 'package.json', 'src/index.js'])
 
 # Copy common templates
 common_templates = gcp.CommonTemplates()