diff --git a/manifest.json b/manifest.json
index 3470f44..062274a 100644
--- a/manifest.json
+++ b/manifest.json
@@ -11,7 +11,6 @@
     "upstream": {
         "license": "GPL-2.0-only",
         "website": "https://www.pmwiki.org",
-        "demo": "https://demo.example.com",
         "admindoc": "https://www.pmwiki.org/wiki/PmWikiFr/PmWikiFr",
         "userdoc": "https://www.pmwiki.org/wiki/PmWikiFr/PmWikiUsers"
     },