diff --git a/wp-includes/general-template.php b/wp-includes/general-template.php
index ff52097c5f..2b8fad3bad 100644
--- a/wp-includes/general-template.php
+++ b/wp-includes/general-template.php
@@ -1166,7 +1166,6 @@ add_action( 'save_post', 'delete_get_calendar_cache' );
 add_action( 'delete_post', 'delete_get_calendar_cache' );
 add_action( 'update_option_start_of_week', 'delete_get_calendar_cache' );
 add_action( 'update_option_gmt_offset', 'delete_get_calendar_cache' );
-add_action( 'update_option_start_of_week', 'delete_get_calendar_cache' );
 
 /**
  * Display all of the allowed tags in HTML format with attributes.