diff --git a/public/mod/forum/classes/courseformat/overview.php b/public/mod/forum/classes/courseformat/overview.php
index d33b1a6da06..a2c3a860403 100644
--- a/public/mod/forum/classes/courseformat/overview.php
+++ b/public/mod/forum/classes/courseformat/overview.php
@@ -16,13 +16,13 @@
 
 namespace mod_forum\courseformat;
 
-use action_link;
 use cm_info;
 use core\url;
+use action_link;
 use core_calendar\output\humandate;
-use core_courseformat\local\overview\overviewitem;
 use core\output\local\properties\button;
 use core\output\local\properties\text_align;
+use core_courseformat\local\overview\overviewitem;
 
 /**
  * Forum overview integration.
@@ -44,15 +44,12 @@ class overview extends \core_courseformat\activityoverviewbase {
      *
      * @param cm_info $cm the course module instance.
      * @param \core\output\renderer_helper $rendererhelper the renderer helper.
-     * @param \core_string_manager $stringmanager the string manager.
      * @param \moodle_database $db the database helper.
      */
     public function __construct(
         cm_info $cm,
         /** @var \core\output\renderer_helper $rendererhelper the renderer helper */
         protected readonly \core\output\renderer_helper $rendererhelper,
-        /** @var \core_string_manager $stringmanager the string manager */
-        protected readonly \core_string_manager $stringmanager,
         /** @var \moodle_database The database instance */
         protected readonly \moodle_database $db,
     ) {
@@ -83,13 +80,13 @@ class overview extends \core_courseformat\activityoverviewbase {
 
         if (empty($duedate)) {
             return new overviewitem(
-                name: $this->stringmanager->get_string('duedate', 'mod_forum'),
+                name: get_string('duedate', 'mod_forum'),
                 value: null,
                 content: '-',
             );
         }
         return new overviewitem(
-            name: $this->stringmanager->get_string('duedate', 'mod_forum'),
+            name: get_string('duedate', 'mod_forum'),
             value: $duedate,
             content: humandate::create_from_timestamp($duedate),
         );
@@ -126,7 +123,7 @@ class overview extends \core_courseformat\activityoverviewbase {
         }, 0); // The '0' is the initial value of $sum.
         $totalreplies += $totaldiscussions; // Add the discussions to the replies count.
 
-        $alertlabel = $this->stringmanager->get_string('unreadposts', 'mod_forum');
+        $alertlabel = get_string('unreadposts', 'mod_forum');
 
         $badge = '';
         $unread = forum_tp_count_forum_unread_posts($this->cm, $this->course);
@@ -145,7 +142,7 @@ class overview extends \core_courseformat\activityoverviewbase {
         );
 
         return new overviewitem(
-            name: $this->stringmanager->get_string('posts', 'mod_forum'),
+            name: get_string('posts', 'mod_forum'),
             value: $totalreplies ? : '0',
             content: $content,
             alertcount: $unread,
@@ -167,7 +164,7 @@ class overview extends \core_courseformat\activityoverviewbase {
         $allforumtypesnames = forum_get_forum_types_all();
 
         return new overviewitem(
-            name: $this->stringmanager->get_string('forumtype', 'mod_forum'),
+            name: get_string('forumtype', 'mod_forum'),
             value: $this->forum->type,
             content: $allforumtypesnames[$this->forum->type],
         );
@@ -188,30 +185,30 @@ class overview extends \core_courseformat\activityoverviewbase {
             (intval($this->forum->trackingtype) == FORUM_TRACKING_FORCED)
             && ($CFG->forum_allowforcedreadtracking)
         ) {
-            $label = $this->stringmanager->get_string(
+            $label = get_string(
                 'labelvalue',
                 'core',
                 [
-                    'label' => $this->stringmanager->get_string('trackforum', 'mod_forum'),
-                    'value' => $this->stringmanager->get_string('trackingon', 'mod_forum'),
+                    'label' => get_string('trackforum', 'mod_forum'),
+                    'value' => get_string('trackingon', 'mod_forum'),
                 ],
             );
             $disabled = true;
             $tracked = true;
         } else if (intval($this->forum->trackingtype) === FORUM_TRACKING_OFF) {
-            $label = $this->stringmanager->get_string(
+            $label = get_string(
                 'labelvalue',
                 'core',
                 [
-                    'label' => $this->stringmanager->get_string('trackforum', 'mod_forum'),
-                    'value' => $this->stringmanager->get_string('trackingoff', 'mod_forum'),
+                    'label' => get_string('trackforum', 'mod_forum'),
+                    'value' => get_string('trackingoff', 'mod_forum'),
                 ],
             );
             $disabled = true;
         } else if (forum_tp_can_track_forums($this->forum)) {
             $tracked = forum_tp_is_tracked($this->forum);
             $disabled = false;
-            $label = $this->stringmanager->get_string('trackforum', 'mod_forum');
+            $label = get_string('trackforum', 'mod_forum');
         }
 
         $renderer = $this->rendererhelper->get_renderer('mod_forum');
@@ -240,7 +237,7 @@ class overview extends \core_courseformat\activityoverviewbase {
         );
 
         return new overviewitem(
-            name: $this->stringmanager->get_string('tracking', 'mod_forum'),
+            name: get_string('tracking', 'mod_forum'),
             value: $label,
             content: $content,
         );
@@ -259,22 +256,22 @@ class overview extends \core_courseformat\activityoverviewbase {
         if (\mod_forum\subscriptions::is_forcesubscribed($this->forum)) {
             $disabled = true;
             $subscribed = true;
-            $label = $this->stringmanager->get_string('subscribed', 'mod_forum');
+            $label = get_string('subscribed', 'mod_forum');
         } else if (
             \mod_forum\subscriptions::subscription_disabled($this->forum)
             && !has_capability('mod/forum:managesubscriptions', $this->context)
         ) {
             $disabled = true;
-            $label = $this->stringmanager->get_string('unsubscribed', 'mod_forum');
+            $label = get_string('unsubscribed', 'mod_forum');
         } else if (!is_enrolled($this->context, $this->user, '', true)) {
             $disabled = true;
-            $label = $this->stringmanager->get_string('unsubscribed', 'mod_forum');
+            $label = get_string('unsubscribed', 'mod_forum');
         } else {
             $subscribed = \mod_forum\subscriptions::is_subscribed($this->user->id, $this->forum);
             if ($subscribed) {
-                $label = $this->stringmanager->get_string('unsubscribe', 'mod_forum');
+                $label = get_string('unsubscribe', 'mod_forum');
             } else {
-                $label = $this->stringmanager->get_string('subscribe', 'mod_forum');
+                $label = get_string('subscribe', 'mod_forum');
             }
         }
 
@@ -304,7 +301,7 @@ class overview extends \core_courseformat\activityoverviewbase {
         );
 
         return new overviewitem(
-            name: $this->stringmanager->get_string('subscribed', 'mod_forum'),
+            name: get_string('subscribed', 'mod_forum'),
             value: $label,
             content: $content,
         );
@@ -331,7 +328,7 @@ class overview extends \core_courseformat\activityoverviewbase {
         $options = forum_get_user_digest_options();
 
         return new overviewitem(
-            name: $this->stringmanager->get_string('digesttype', 'mod_forum'),
+            name: get_string('digesttype', 'mod_forum'),
             value: $options[$this->forum->maildigest] ?? '-',
             content: $content ?? '-',
         );
@@ -347,7 +344,7 @@ class overview extends \core_courseformat\activityoverviewbase {
         $totaldiscussions = forum_count_discussions($this->forum, $this->cm, $this->course);
 
         return new overviewitem(
-            name: $this->stringmanager->get_string('discussions', 'mod_forum'),
+            name: get_string('discussions', 'mod_forum'),
             value: $totaldiscussions,
             content: $totaldiscussions,
             textalign: text_align::END,