Index: wp-includes/theme.php
===================================================================
--- wp-includes/theme.php	(revision 22085)
+++ wp-includes/theme.php	(working copy)
@@ -1665,9 +1665,6 @@
  * Ideally, call this function immediately after the body tag is opened.
  * This prevents a flash of unstyled content.
  *
- * It is also recommended that you add the "no-customize-support" class
- * to the body tag by default.
- *
  * @since 3.4.0
  */
 function wp_customize_support_script() {