diff --git a/src/Config.php b/src/Config.php
index 388418f..7495ba1 100644
--- a/src/Config.php
+++ b/src/Config.php
@@ -27,7 +27,6 @@ use Dotclear\Helper\Html\Form\{
     Note,
     Para
 };
-use Exception;
 
 class Config extends dcNsProcess
 {
diff --git a/src/Core.php b/src/Core.php
index d4e10c4..8c21305 100644
--- a/src/Core.php
+++ b/src/Core.php
@@ -16,7 +16,6 @@ namespace Dotclear\Plugin\pacKman;
 
 use dcCore;
 use dcModules;
-use Exception;
 use files;
 use fileUnzip;
 use path;
diff --git a/src/Exception.php b/src/Exception.php
new file mode 100644
index 0000000..259a7a5
--- /dev/null
+++ b/src/Exception.php
@@ -0,0 +1,21 @@
+<?php
+/**
+ * @brief pacKman, a plugin for Dotclear 2
+ *
+ * @package Dotclear
+ * @subpackage Plugin
+ *
+ * @author Jean-Christian Denis
+ *
+ * @copyright Jean-Christian Denis
+ * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
+ */
+declare(strict_types=1);
+
+namespace Dotclear\Plugin\pacKman;
+
+use Exception as PhpException;
+
+class Exception extends PhpException
+{
+}
diff --git a/src/Install.php b/src/Install.php
index 3254d84..0c94652 100644
--- a/src/Install.php
+++ b/src/Install.php
@@ -17,7 +17,6 @@ namespace Dotclear\Plugin\pacKman;
 use dcCore;
 use dcNamespace;
 use dcNsProcess;
-use Exception;
 
 class Install extends dcNsProcess
 {
diff --git a/src/Manage.php b/src/Manage.php
index 8556161..3110f49 100644
--- a/src/Manage.php
+++ b/src/Manage.php
@@ -24,9 +24,6 @@ use dcNsProcess;
 use files;
 use http;
 
-/* php ns */
-use Exception;
-
 class Manage extends dcNsProcess
 {
     public static function init(): bool
diff --git a/src/Utils.php b/src/Utils.php
index ab772f1..9325817 100644
--- a/src/Utils.php
+++ b/src/Utils.php
@@ -24,9 +24,6 @@ use form;
 use html;
 use path;
 
-/* php */
-use Exception;
-
 class Utils
 {
     public static function getPluginsPath(): string