diff --git a/administrator/language/en-GB/localise.php b/administrator/language/en-GB/localise.php
index 4da06e5bb84e2..e38f4aaeac8bb 100644
--- a/administrator/language/en-GB/localise.php
+++ b/administrator/language/en-GB/localise.php
@@ -50,6 +50,8 @@ public static function getPluralSuffixes($count)
      * @return  array  An array of ignored search words.
      *
      * @since   1.6
+     *
+     * @deprecated  5.1 will be removed in 7.0 without replacement
      */
     public static function getIgnoredSearchWords()
     {
@@ -62,6 +64,8 @@ public static function getIgnoredSearchWords()
      * @return  integer  The lower length limit of search words.
      *
      * @since   1.6
+     *
+     * @deprecated  5.1 will be removed in 7.0 without replacement
      */
     public static function getLowerLimitSearchWord()
     {
@@ -74,6 +78,8 @@ public static function getLowerLimitSearchWord()
      * @return  integer  The upper length limit of search words.
      *
      * @since   1.6
+     *
+     * @deprecated  5.1 will be removed in 7.0 without replacement
      */
     public static function getUpperLimitSearchWord()
     {
@@ -86,6 +92,8 @@ public static function getUpperLimitSearchWord()
      * @return  integer  The number of chars to display when searching.
      *
      * @since   1.6
+     *
+     * @deprecated  5.1 will be removed in 7.0 without replacement
      */
     public static function getSearchDisplayedCharactersNumber()
     {