diff --git a/scripts/docs/config.js b/scripts/docs/config.js
index a840daeb23f..37562d6b67a 100644
--- a/scripts/docs/config.js
+++ b/scripts/docs/config.js
@@ -34,7 +34,6 @@ module.exports = {
     'logging/src/metadata.js',
     'pubsub/src/connection-pool.js',
     'pubsub/src/histogram.js',
-    'pubsub/src/iam.js',
     'spanner/src/codec.js',
     'spanner/src/partial-result-stream.js',
     'spanner/src/row-builder.js',