diff --git a/lib/__tests__/plugin-slot-catalog.test.ts b/lib/__tests__/plugin-slot-catalog.test.ts
index 75f76d686..184e15b47 100644
--- a/lib/__tests__/plugin-slot-catalog.test.ts
+++ b/lib/__tests__/plugin-slot-catalog.test.ts
@@ -34,7 +34,7 @@ function isMounted(name: string): boolean {
 // that finishes an area removes it here; the test then insists every
 // surface in it has a mount site.
 const NOT_YET_MOUNTED = new Set<SlotArea>([
-  'app', 'navigation', 'mail-list', 'reader', 'composer', 'calendar', 'contacts', 'tasks', 'files', 'settings',
+  'mail-list', 'reader', 'composer', 'calendar', 'contacts', 'tasks', 'files',
 ]);
 
 describe('slot catalogue', () => {