diff --git a/src/Config.php b/src/Config.php
index 3a81b5b..99fb0d3 100644
--- a/src/Config.php
+++ b/src/Config.php
@@ -28,6 +28,7 @@ use Dotclear\Helper\Html\Form\{
     Para,
     Text
 };
+use Exception;
 
 class Config extends dcNsProcess
 {
diff --git a/src/Core.php b/src/Core.php
index 681b30e..f7f1400 100644
--- a/src/Core.php
+++ b/src/Core.php
@@ -20,6 +20,7 @@ use dcModules;
 use Dotclear\Helper\File\Files;
 use Dotclear\Helper\File\Path;
 use Dotclear\Helper\File\Zip\Unzip;
+use Exception;
 
 class Core
 {
diff --git a/src/Exception.php b/src/Exception.php
deleted file mode 100644
index 259a7a5..0000000
--- a/src/Exception.php
+++ /dev/null
@@ -1,21 +0,0 @@
-<?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 b5db231..198bbbb 100644
--- a/src/Install.php
+++ b/src/Install.php
@@ -17,6 +17,7 @@ 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 15f5533..0e830fc 100644
--- a/src/Manage.php
+++ b/src/Manage.php
@@ -21,6 +21,7 @@ use dcThemes;
 use dcNsProcess;
 use Dotclear\Helper\File\Files;
 use Dotclear\Helper\Network\Http;
+use Exception;
 
 class Manage extends dcNsProcess
 {
diff --git a/src/Utils.php b/src/Utils.php
index 4f2ee0b..3ab8158 100644
--- a/src/Utils.php
+++ b/src/Utils.php
@@ -29,6 +29,7 @@ use Dotclear\Helper\Html\Form\{
     Text
 };
 use Dotclear\Helper\Html\Html;
+use Exception;
 
 use dt;