--- a/util/pubsub.lua	Sun Oct 15 19:03:49 2017 +0200
+++ b/util/pubsub.lua	Mon Oct 16 22:12:14 2017 +0200
@@ -271,9 +271,6 @@
 		node_obj = self.nodes[node];
 	end
 	local node_data = self.data[node];
-	if type(actor) == "string" then
-		item.attr.publisher = actor;
-	end
 	local ok = node_data:set(id, item);
 	if not ok then
 		return nil, "internal-server-error";