diff --git a/aio/content/examples/.gitignore b/aio/content/examples/.gitignore
index cef6633ab1b604..94fc38c7505d27 100644
--- a/aio/content/examples/.gitignore
+++ b/aio/content/examples/.gitignore
@@ -45,6 +45,7 @@ dist/
 # aot
 **/*.ngfactory.ts
 **/*.ngsummary.json
+**/*.ngsummary.ts
 **/*.shim.ngstyle.ts
 **/*.metadata.json
 !aot/bs-config.json