From b7a9f5b3f5685af747a4693e9d570697ba1873c4 Mon Sep 17 00:00:00 2001
From: John Ryan <ryjohn@google.com>
Date: Fri, 16 Apr 2021 16:00:36 -0700
Subject: [PATCH] remove unused top-level variable

---
 lib/codelab.dart | 2 --
 1 file changed, 2 deletions(-)

diff --git a/lib/codelab.dart b/lib/codelab.dart
index 9b53b9708..10be3668a 100644
--- a/lib/codelab.dart
+++ b/lib/codelab.dart
@@ -32,8 +32,6 @@ CodelabUi _codelabUi;
 
 CodelabUi get codelabUi => _codelabUi;
 
-IFrameElement get _frame => querySelector('#frame') as IFrameElement;
-
 void init() {
   _codelabUi = CodelabUi();
 }