1 files changed, 0 insertions, 2 deletions

diff --git a/js/panels/Timeline/Collapser.js b/js/panels/Timeline/Collapser.js
index 88314c8b..9c8d4434 100644
--- a/js/panels/Timeline/Collapser.js
+++ b/js/panels/Timeline/Collapser.js
@@ -151,7 +151,6 @@ var Montage = require("montage/core/core").Montage,
 
         // isToggling: Bindable property. Set this (to anything) to trigger a toggle.
         _isToggling: {
-                serializable: true,
                 value: true
         },
         isToggling: {
@@ -179,7 +178,6 @@ var Montage = require("montage/core/core").Montage,
         
         prepareForDraw: {
                 value: function() {
-
                         // Get the original value of the overflow property:
                         this._origOverflowValue = window.getComputedStyle(this.myContent, null).getPropertyValue("overflow");
                         if (this.isCollapsed === false) {