diff --git a/source/api/base.ts b/source/api/base.ts
index af76958..08991a2 100644
--- a/source/api/base.ts
+++ b/source/api/base.ts
@@ -87,7 +87,7 @@ namespace _zeitbild.api
 					else
 					{
 						const user_object : _zeitbild.type_user_object = await _zeitbild.service.user.get(user_id);
-						if (user_object.dav_token !== null)
+						if (user_object.dav_token === null)
 						{
 							lib_plankton.log.notice(
 								"zeitbild.user_from_web_auth.dav_token_unset",
diff --git a/source/api/functions.ts b/source/api/functions.ts
index 46fcedd..18f7607 100644
--- a/source/api/functions.ts
+++ b/source/api/functions.ts
@@ -50,17 +50,6 @@ namespace _zeitbild.api
 		{
 			_zeitbild.api.register_export_ical(rest_subject);
 		}
-		// caldav
-		/*
-		{
-			_zeitbild.api.register_caldav_sniff(rest_subject);
-			_zeitbild.api.register_caldav_put(rest_subject);
-			_zeitbild.api.register_caldav_probe(rest_subject);
-			_zeitbild.api.register_caldav_probe_via_well_known(rest_subject);
-			_zeitbild.api.register_caldav_projects(rest_subject);
-			_zeitbild.api.register_caldav_get(rest_subject);
-		}
-		 */
 		// davina
 		{
 			_zeitbild.api.register_davina_check(rest_subject);