diff --git a/core/field.js b/core/field.js
index bfa69b2fd..4be8dfd63 100644
--- a/core/field.js
+++ b/core/field.js
@@ -223,13 +223,6 @@ Field.prototype.visible_ = true;
  */
 Field.prototype.enabled_ = true;
 
-/**
- * Can the field value be changed using the editor on an editable block?
- * @type {boolean}
- * @protected
- */
-Field.prototype.enabled_ = true;
-
 /**
  * The element the click handler is bound to.
  * @type {Element}