diff --git a/scratchpad-scripts/arkenfox-clear-removed.js b/scratchpad-scripts/arkenfox-clear-removed.js
index cc8d330..17e39e2 100644
--- a/scratchpad-scripts/arkenfox-clear-removed.js
+++ b/scratchpad-scripts/arkenfox-clear-removed.js
@@ -13,6 +13,10 @@
 
   const aPREFS = [
     /* removed in arkenfox user.js */
+    /* 92+ */
+    'privacy.firstparty.isolate.block_post_message',
+    'privacy.firstparty.isolate.restrict_opener_access',
+    'privacy.firstparty.isolate.use_site',
     /* 79-91 */
     'alerts.showFavicons',
     'browser.newtabpage.activity-stream.asrouter.providers.snippets',