diff --git a/index.src.html b/index.src.html
index 1f4dfb1..e3ebf3c 100644
--- a/index.src.html
+++ b/index.src.html
@@ -628,11 +628,7 @@ <h4 id="clear-dom">
 
         1.  [=delete a database|Delete=] |database|.
 
-    4.  For each |registration| in the user agent's set of <a>service worker registrations</a>:
-
-        1.  If |registration|'s <a>scope URL</a>'s [=url/origin=] is |origin|:
-
-            1.  Execute {{ServiceWorkerRegistration/unregister()}} on |registration|.
+    4.  Invoke [=Purge Service Worker Registrations=] with |origin| and true.
 
     5.  For each |appcache| in the user agent's set of [=application caches=]: