diff --git a/src/FilterDuplicate.php b/src/FilterDuplicate.php
index 1b2fb5f..a24df89 100644
--- a/src/FilterDuplicate.php
+++ b/src/FilterDuplicate.php
@@ -16,7 +16,7 @@ namespace Dotclear\Plugin\dcFilterDuplicate;
 
 use dcBlog;
 use dcCore;
-use dcPage;
+use Dotclear\Core\Backend\Notices;
 use Dotclear\Database\Statement\{
     JoinStatement,
     SelectStatement
@@ -115,14 +115,14 @@ class FilterDuplicate extends SpamFilter
     public function gui(string $url): string
     {
         // nullsafe PHP < 8.0
-        if (is_null(dcCore::app()->auth) || is_null(dcCore::app()->blog)) {
+        if (is_null(dcCore::app()->blog)) {
             return '';
         }
 
         if (dcCore::app()->auth->isSuperAdmin()) {
-            dcCore::app()->blog->settings->get(My::id())->drop(My::SETTING_PREFIX . 'minlen');
+            My::settings()->drop(My::SETTING_PREFIX . 'minlen');
             if (isset($_POST[My::SETTING_PREFIX . 'minlen'])) {
-                dcCore::app()->blog->settings->get(My::id())->put(
+                My::settings()->put(
                     My::SETTING_PREFIX . 'minlen',
                     abs((int) $_POST[My::SETTING_PREFIX . 'minlen']),
                     'integer',
@@ -130,7 +130,7 @@ class FilterDuplicate extends SpamFilter
                     true,
                     true
                 );
-                dcPage::addSuccessNotice(__('Configuration successfully updated.'));
+                Notices::addSuccessNotice(__('Configuration successfully updated.'));
                 Http::redirect($url);
             }
 
@@ -157,11 +157,11 @@ class FilterDuplicate extends SpamFilter
     private function getMinLength(): int
     {
         // nullsafe PHP < 8.0
-        if (is_null(dcCore::app()->auth) || is_null(dcCore::app()->blog)) {
+        if (is_null(dcCore::app()->blog)) {
             return 0;
         }
 
-        return abs((int) dcCore::app()->blog->settings->get(My::id())->getGlobal(My::SETTING_PREFIX . 'minlen'));
+        return abs((int) My::settings()->getGlobal(My::SETTING_PREFIX . 'minlen'));
     }
 
     public function triggerOtherBlogs(string $content, string $ip): void
diff --git a/src/Install.php b/src/Install.php
index 22ea0ba..02393f0 100644
--- a/src/Install.php
+++ b/src/Install.php
@@ -15,49 +15,32 @@ declare(strict_types=1);
 namespace Dotclear\Plugin\dcFilterDuplicate;
 
 use dcCore;
-use dcNsProcess;
+use Dotclear\Core\Process;
 use Exception;
 
-class Install extends dcNsProcess
+class Install extends Process
 {
-    # -- Module specs --
-    private static array $mod_conf = [[
-        'dcfilterduplicate_minlen',
-        'Minimum lenght of comment to filter',
-        30,
-        'integer',
-    ]];
-
     public static function init(): bool
     {
-        static::$init = defined('DC_CONTEXT_ADMIN') && dcCore::app()->newVersion(My::id(), dcCore::app()->plugins->moduleInfo(My::id(), 'version'));
-
-        return static::$init;
+        return self::status(My::checkContext(My::INSTALL));
     }
 
     public static function process(): bool
     {
-        if (!static::$init) {
-            return false;
-        }
-
-        // nullsafe PHP < 8.0
-        if (is_null(dcCore::app()->blog)) {
+        if (!self::status()) {
             return false;
         }
 
         try {
             # Set module settings
-            foreach (self::$mod_conf as $v) {
-                dcCore::app()->blog->settings->get(My::id())->put(
-                    $v[0],
-                    $v[2],
-                    $v[3],
-                    $v[1],
-                    false,
-                    true
-                );
-            }
+            My::settings()->put(
+                My::SETTING_PREFIX . 'minlen',
+                30,
+                'integer',
+                'Minimum lenght of comment to filter',
+                false,
+                true
+            );
 
             return true;
         } catch (Exception $e) {
diff --git a/src/My.php b/src/My.php
index 4d7d0ae..ffa6066 100644
--- a/src/My.php
+++ b/src/My.php
@@ -14,31 +14,13 @@ declare(strict_types=1);
 
 namespace Dotclear\Plugin\dcFilterDuplicate;
 
-use dcCore;
+use Dotclear\Module\MyPlugin;
 
 /**
  * This module definitions.
  */
-class My
+class My extends MyPlugin
 {
     /** @var    string  Plugin setting prefix */
     public const SETTING_PREFIX = 'dcfilterduplicate_';
-
-    /**
-     * This module id.
-     */
-    public static function id(): string
-    {
-        return basename(dirname(__DIR__));
-    }
-
-    /**
-     * This module name.
-     */
-    public static function name(): string
-    {
-        $name = dcCore::app()->plugins->moduleInfo(self::id(), 'name');
-
-        return __(is_string($name) ? $name : self::id());
-    }
 }
diff --git a/src/Prepend.php b/src/Prepend.php
index 6d6ce06..beecb29 100644
--- a/src/Prepend.php
+++ b/src/Prepend.php
@@ -15,20 +15,18 @@ declare(strict_types=1);
 namespace Dotclear\Plugin\dcFilterDuplicate;
 
 use dcCore;
-use dcNsProcess;
+use Dotclear\Core\Process;
 
-class Prepend extends dcNsProcess
+class Prepend extends Process
 {
     public static function init(): bool
     {
-        static::$init = true;
-
-        return static::$init;
+        return self::status(My::checkContext(My::PREPEND));
     }
 
     public static function process(): bool
     {
-        if (!static::$init) {
+        if (!self::status()) {
             return false;
         }
 
diff --git a/src/Uninstall.php b/src/Uninstall.php
index 9e768cf..6224185 100644
--- a/src/Uninstall.php
+++ b/src/Uninstall.php
@@ -15,21 +15,19 @@ declare(strict_types=1);
 namespace Dotclear\Plugin\dcFilterDuplicate;
 
 use dcCore;
-use dcNsProcess;
+use Dotclear\Core\Process;
 use Dotclear\Plugin\Uninstaller\Uninstaller;
 
-class Uninstall extends dcNsProcess
+class Uninstall extends Process
 {
     public static function init(): bool
     {
-        static::$init = defined('DC_CONTEXT_ADMIN');
-
-        return static::$init;
+        return self::status(My::checkContext(My::UNINSTALL));
     }
 
     public static function process(): bool
     {
-        if (!static::$init || !dcCore::app()->plugins->moduleExists('Uninstaller')) {
+        if (!self::status() || !dcCore::app()->plugins->moduleExists('Uninstaller')) {
             return false;
         }