diff --git a/meta/definitions/template.php b/meta/definitions/template.php
index 7683ae0..08f9ac4 100644
--- a/meta/definitions/template.php
+++ b/meta/definitions/template.php
@@ -31,12 +31,6 @@ return [
 
     Ui::class => autowire(Ui::class),
 
-    Asset\Asset::class => autowire(Asset\Asset::class),
-
-    Asset\Config::class => create(Asset\Config::class)->constructor(
-        destination: getenv("PUBLIC_PATH") . DIRECTORY_SEPARATOR . "static"
-    ),
-
     Compiler::class => autowire(Compiler::class),
 
     Request::class => autowire(Request::class),
@@ -49,7 +43,7 @@ return [
 
     LanguageHandlerInterface::class => autowire(\Lean\LanguageHandler::class),
 
-    LanguageRegistration::class => create(\Lean\PiceaDefaultRegistration::class)->constructor(get('picea.extensions'), [], [], get(Ui::class), get(Asset\Asset::class)),
+    LanguageRegistration::class => create(\Lean\PiceaDefaultRegistration::class)->constructor(get('picea.extensions'), [], [], get(Ui::class), null),
 
     'picea.extensions' => function(\Psr\Container\ContainerInterface $c) {
         return array_merge([
@@ -76,14 +70,4 @@ return [
     FileFetcher::class => function($c) {
         return new FileFetcher($c->get(Lean\Lean::class)->getViewPaths());
     },
-
-    Asset\FileFetcher::class => function($c) {
-        return new Asset\FileFetcher($c->get(Lean\Lean::class)->getAssetPaths());
-    },
-
-    Action\Install::class => autowire(Action\Install::class)->constructor(get(Action\InstallActionInterface::class), []),
-
-    Action\Symlink::class => autowire(Action\Symlink::class),
-
-    Action\InstallActionInterface::class => autowire(Action\Symlink::class),
 ];
\ No newline at end of file
diff --git a/src/Lean.php b/src/Lean.php
index 63a00d8..af48421 100644
--- a/src/Lean.php
+++ b/src/Lean.php
@@ -102,6 +102,8 @@ class Lean
     {
         $list = array_merge(...array_map(fn($app) => $app->views ?? [], $this->applications));
 
+        $this->verifyPathList($list);
+
         uasort($list, fn($i1, $i2) => $i1['order'] <=> $i2['order'] );
 
         return $list;
@@ -111,11 +113,22 @@ class Lean
     {
         $list = array_merge(...array_map(fn($app) => $app->piceaAssets ?? [], $this->applications));
 
+        $this->verifyPathList($list);
+
         uasort($list, fn($i1, $i2) => $i1['order'] <=> $i2['order'] );
 
         return $list;
     }
 
+    protected function verifyPathList(array $list) : void
+    {
+        foreach($list as $item) {
+            if (! isset($item['order']) ) {
+                throw new \RuntimeException(sprintf("An error occured while verifying a path list (%s)", json_encode($item, \JSON_PRETTY_PRINT)));
+            }
+        }
+    }
+
     public function getI18n(string $reader) : ? array
     {
         switch($reader) {
diff --git a/src/PiceaDefaultRegistration.php b/src/PiceaDefaultRegistration.php
index c440117..eeb6192 100644
--- a/src/PiceaDefaultRegistration.php
+++ b/src/PiceaDefaultRegistration.php
@@ -22,7 +22,7 @@ class PiceaDefaultRegistration extends DefaultRegistrations {
     {
         parent::registerAll($compiler);
 
-        $this->ui->registerFormExtension($compiler);
-        $this->asset->registerExtension($compiler);
+        $this->ui AND $this->ui->registerFormExtension($compiler);
+        $this->asset AND $this->asset->registerExtension($compiler);
     }
 }
\ No newline at end of file