diff --git a/CHANGELOG.md b/CHANGELOG.md
index acdd5d4..0e46aae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+dcAdvancedCleaner 1.6 - 2023.10.18
+===========================================================
+* Require Dotclear 2.28
+* Require PHP 8.1
+* Upgrade plugin acitivtyReport
+
 dcAdvancedCleaner 1.5 - 2023.10.13
 ===========================================================
 * Require Dotclear 2.28
diff --git a/README.md b/README.md
index 89b56bd..7025e71 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # README
 
-[![Release](https://img.shields.io/badge/release-1.5-a2cbe9.svg)](https://git.dotclear.watch/JcDenis/dcAdvancedCleaner/releases)
-![Date](https://img.shields.io/badge/date-2023.10.13-c44d58.svg)
+[![Release](https://img.shields.io/badge/release-1.6-a2cbe9.svg)](https://git.dotclear.watch/JcDenis/dcAdvancedCleaner/releases)
+![Date](https://img.shields.io/badge/date-2023.10.18-c44d58.svg)
 [![Dotclear](https://img.shields.io/badge/dotclear-v2.28-137bbb.svg)](https://fr.dotclear.org/download)
 [![Dotaddict](https://img.shields.io/badge/dotaddict-official-9ac123.svg)](https://plugins.dotaddict.org/dc2/details/dcAdvancedCleaner)
 [![License](https://img.shields.io/badge/license-GPL--2.0-ececec.svg)](https://git.dotclear.watch/JcDenis/dcAdvancedCleaner/src/branch/master/LICENSE)
diff --git a/_define.php b/_define.php
index b74e105..9ae99cc 100644
--- a/_define.php
+++ b/_define.php
@@ -18,7 +18,7 @@ $this->registerModule(
     'Advanced cleaner',
     'Make a huge cleaning of dotclear',
     'Jean-Christian Denis and Contributors',
-    '1.5',
+    '1.6',
     [
         'requires' => [
             ['core', '2.28'],
diff --git a/src/ActivityReportAction.php b/src/ActivityReportAction.php
new file mode 100644
index 0000000..532b655
--- /dev/null
+++ b/src/ActivityReportAction.php
@@ -0,0 +1,54 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Dotclear\Plugin\dcAdvancedCleaner;
+
+use Dotclear\Core\Process;
+use Dotclear\Plugin\activityReport\{
+    Action,
+    ActivityReport,
+    Group
+};
+use Dotclear\Plugin\Uninstaller\Uninstaller;
+
+/**
+ * @brief       dcAdvancedCleaner plugin activityReport class.
+ * @ingroup     dcAdvancedCleaner
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
+ */
+class ActivityReportAction extends Process
+{
+    public static function init(): bool
+    {
+        return self::status(true);
+    }
+
+    public static function process(): bool
+    {
+        if (!self::status()) {
+            return false;
+        }
+
+        $group = new Group(My::id(), My::name());
+
+        $group->add(new Action(
+            'uninstall',
+            __('Uninstalling module'),
+            '%s',
+            'UninstallerBeforeAction',
+            function (string $id, string $action, string $ns): void {
+                $success = Uninstaller::instance()->cleaners->get($id)?->get($action)?->success;
+                if (!is_null($success)) {
+                    ActivityReport::instance()->addLog(My::id(), 'uninstall', [sprintf($success, $ns)]);
+                }
+            }
+        ));
+
+        ActivityReport::instance()->groups->add($group);
+
+        return true;
+    }
+}
diff --git a/src/Prepend.php b/src/Prepend.php
deleted file mode 100644
index 955dee5..0000000
--- a/src/Prepend.php
+++ /dev/null
@@ -1,55 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Dotclear\Plugin\dcAdvancedCleaner;
-
-use Dotclear\Core\Process;
-use Dotclear\Plugin\activityReport\{
-    Action,
-    ActivityReport,
-    Group
-};
-use Dotclear\Plugin\Uninstaller\Uninstaller;
-
-/**
- * @brief   dcAdvancedCleaner prepend class.
- * @ingroup dcAdvancedCleaner
- *
- * @author      Jean-Christian Denis (author)
- * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
-class Prepend extends Process
-{
-    public static function init(): bool
-    {
-        return self::status(My::checkContext(My::PREPEND));
-    }
-
-    public static function process(): bool
-    {
-        if (!self::status()) {
-            return false;
-        }
-
-        // log plugin Uninstaller actions
-        if (defined('ACTIVITY_REPORT') && ACTIVITY_REPORT == 3) {
-            $group = new Group(My::id(), My::name());
-            $group->add(new Action(
-                'uninstaller',
-                __('Uninstalling module'),
-                '%s',
-                'UninstallerBeforeAction',
-                function (string $id, string $action, string $ns): void {
-                    $success = Uninstaller::instance()->cleaners->get($id)?->get($action)?->success;
-                    if (!is_null($success)) {
-                        ActivityReport::instance()->addLog(My::id(), 'uninstaller', [sprintf($success, $ns)]);
-                    }
-                }
-            ));
-            ActivityReport::instance()->groups->add($group);
-        }
-
-        return true;
-    }
-}