From e0d1a3d874d66703bbaa3c8208f8d011a7349d4b Mon Sep 17 00:00:00 2001
From: Chris Malley <cmalley@pixelzoom.com>
Date: Fri, 14 Dec 2018 15:19:34 -0700
Subject: [PATCH] fix phetio bug introduced in #405

Signed-off-by: Chris Malley <cmalley@pixelzoom.com>
---
 js/ComboBox.js | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/js/ComboBox.js b/js/ComboBox.js
index 7b507d43..de48431d 100644
--- a/js/ComboBox.js
+++ b/js/ComboBox.js
@@ -540,9 +540,6 @@ define( require => {
 
       }, options );
 
-      // The ButtonNode is not instrumented
-      options.tandem = Tandem.optional;
-
       super();
 
       this.labelContent = options.a11yButtonLabel;