diff --git a/spec/index.bs b/spec/index.bs
index 03fa35f..e8136a3 100644
--- a/spec/index.bs
+++ b/spec/index.bs
@@ -671,7 +671,6 @@ initially empty.
 
     1. Set |localName| to |tagName| in [=ASCII lowercase=].
     1. If |elementNs| is an empty string, set |elementNs| to [=HTML namespace=].
-    1. If |property| starts with "on", then return {{TrustedScript}}.
     1. Let |interface| be the [=element interface=] for |localName| and |elementNs|.
     1. Let |expectedType| be null.
     1. Find the row in the following table, where the first column is "*" or |interface|'s name, and |property| is in the second column.