diff --git a/join/plugin.yaml b/join/plugin.yaml
index b0a6197e7..1345301b0 100755
--- a/join/plugin.yaml
+++ b/join/plugin.yaml
@@ -9,7 +9,6 @@ plugin:
     tester: psilo909
     state: ready
     keywords: iot join remote mobile phone command
-    documentation: http://smarthomeng.de/user/plugins_doc/config/join.html        # url of documentation (wiki) page
     support: https://knx-user-forum.de/forum/supportforen/smarthome-py/1113523-neues-plugin-join-tts-sms-phonecall-notification-uvm
 
     version: 1.4.4                 # Plugin version