diff --git a/iis/docfx.json b/iis/docfx.json
index b9725a6ff..cc5b4c7f0 100644
--- a/iis/docfx.json
+++ b/iis/docfx.json
@@ -39,7 +39,6 @@
     "externalReference": [],
     "globalMetadata": {
       "breadcrumb_path": "/iis/breadcrumb/toc.json",
-      "extendBreadcrumb": "true",
       "uhfHeaderId": "MSDocsHeader-Windows",
       "_navPath": "/foo",
       "_navRel": "/foo",