diff --git a/mod/book/lang/en/book.php b/mod/book/lang/en/book.php
index ff5328fbf7fba..0c3c6a16cb395 100644
--- a/mod/book/lang/en/book.php
+++ b/mod/book/lang/en/book.php
@@ -108,4 +108,3 @@
 $string['removeallbooktags'] = 'Remove all book tags';
 $string['tagarea_book_chapters'] = 'Book chapters';
 $string['tagsdeleted'] = 'Book tags have been deleted';
-$string['tagtitle'] = 'See the "{$a}" tag';
diff --git a/mod/forum/lang/en/forum.php b/mod/forum/lang/en/forum.php
index a40725066a3aa..34f87ec4a9926 100644
--- a/mod/forum/lang/en/forum.php
+++ b/mod/forum/lang/en/forum.php
@@ -515,7 +515,6 @@
 $string['subscriptions'] = 'Subscriptions';
 $string['tagarea_forum_posts'] = 'Forum posts';
 $string['tagsdeleted'] = 'Forum tags have been deleted';
-$string['tagtitle'] = 'See the "{$a}" tag';
 $string['thisforumisthrottled'] = 'This forum has a limit to the number of forum postings you can make in a given time period - this is currently set at {$a->blockafter} posting(s) in {$a->blockperiod}';
 $string['timedhidden'] = 'Timed status: Hidden from students';
 $string['timedposts'] = 'Timed posts';
diff --git a/mod/glossary/lang/en/glossary.php b/mod/glossary/lang/en/glossary.php
index 300f36f761fb6..d82168dcdca21 100644
--- a/mod/glossary/lang/en/glossary.php
+++ b/mod/glossary/lang/en/glossary.php
@@ -300,7 +300,6 @@
 $string['studentcanpost'] = 'Students can add entries';
 $string['tagarea_glossary_entries'] = 'Glossary entries';
 $string['tagsdeleted'] = 'Glossary tags have been deleted';
-$string['tagtitle'] = 'See the "{$a}" tag';
 $string['totalentries'] = 'Total entries';
 $string['usedynalink'] = 'Automatically link glossary entries';
 $string['usedynalink_help'] = 'If site-wide glossary auto-linking has been enabled by an administrator and this setting is enabled, the "Add a new entry" form includes the option to automatically link the entry wherever the concept words and phrases appear throughout the rest of the course.';
diff --git a/mod/wiki/lang/en/wiki.php b/mod/wiki/lang/en/wiki.php
index 8c010fe91cf70..2f1e5262347a6 100644
--- a/mod/wiki/lang/en/wiki.php
+++ b/mod/wiki/lang/en/wiki.php
@@ -227,7 +227,6 @@
 $string['tableofcontents'] = 'Table of contents';
 $string['tagarea_wiki_pages'] = 'Wiki pages';
 $string['tagsdeleted'] = 'Wiki tags have been deleted';
-$string['tagtitle'] = 'See the "{$a}" tag';
 $string['teacherrating'] = 'Teacher rating';
 $string['timesrating']='This page has been rated  {$a->c} times with an average of: {$a->s}';
 $string['updatedpages'] = "Updated pages";