diff --git a/src/Forms/TabSet.php b/src/Forms/TabSet.php
index 6119fc999..da18e9d48 100644
--- a/src/Forms/TabSet.php
+++ b/src/Forms/TabSet.php
@@ -43,13 +43,6 @@ class TabSet extends CompositeField
      */
     protected $schemaComponent = 'Tabs';
 
-    /**
-     * Alter datatype from structural to track the current tab in redux state.
-     *
-     * @var string
-     */
-    protected $schemaDataType = FormField::SCHEMA_DATA_TYPE_STRING;
-
     /**
      * @var TabSet
      */