diff --git a/source/_components/google_pubsub.markdown b/source/_components/google_pubsub.markdown
index f644e671fe3..52413354f72 100644
--- a/source/_components/google_pubsub.markdown
+++ b/source/_components/google_pubsub.markdown
@@ -55,9 +55,8 @@ credentials_json:
   type: string
 filter:
   description: Filter domains and entities for Google Cloud Pub/Sub.
-  required: false
+  required: true
   type: map
-  default: Includes all entities from all domains
   keys:
     include_domains:
       description: List of domains to include (e.g., `light`).