diff --git a/Application/Controller/orderOverviewPdfGenerator.php b/Application/Controller/orderOverviewPdfGenerator.php
index 61ead4a..9749cd8 100644
--- a/Application/Controller/orderOverviewPdfGenerator.php
+++ b/Application/Controller/orderOverviewPdfGenerator.php
@@ -36,19 +36,17 @@ class orderOverviewPdfGenerator
      */
     public function generatePdf(Order $order, $sFilename, $iSelLang = 0, $target = 'I')
     {
-        $Pdf= $this->getPdfClass($order);
+        $Pdf= $this->getPdfClass();
 
         $Pdf->setOrder($order);
         $Pdf->genPdf($sFilename, $iSelLang, $target);
     }
 
     /**
-     * @param Order $order
-     *
      * @return pdfdocumentsOrderInterface
      * @throws noPdfHandlerFoundException
      */
-    public function getPdfClass(Order $order)
+    public function getPdfClass()
     {
         $requestedType = Registry::getRequest()->getRequestParameter('pdftype');
 
diff --git a/Application/Model/Exceptions/noBaseObjectSetException.php b/Application/Model/Exceptions/noBaseObjectSetException.php
index 3abc4db..590dd6d 100644
--- a/Application/Model/Exceptions/noBaseObjectSetException.php
+++ b/Application/Model/Exceptions/noBaseObjectSetException.php
@@ -15,9 +15,11 @@
 
 namespace D3\PdfDocuments\Application\Model\Exceptions;
 
+use Exception;
+
 class noBaseObjectSetException extends pdfGeneratorExceptionAbstract
 {
-    public function __construct( $sMessage = "no base object (e.g. order) for pdf generator set", $iCode = 0, \Exception $previous = null )
+    public function __construct( $sMessage = "no base object (e.g. order) for pdf generator set", $iCode = 0, Exception $previous = null )
     {
         parent::__construct( $sMessage, $iCode, $previous );
     }
diff --git a/Application/Model/Exceptions/noPdfHandlerFoundException.php b/Application/Model/Exceptions/noPdfHandlerFoundException.php
index 8adc14c..d3eed51 100644
--- a/Application/Model/Exceptions/noPdfHandlerFoundException.php
+++ b/Application/Model/Exceptions/noPdfHandlerFoundException.php
@@ -15,6 +15,8 @@
 
 namespace D3\PdfDocuments\Application\Model\Exceptions;
 
+use Exception;
+
 class noPdfHandlerFoundException extends pdfGeneratorExceptionAbstract
 {
     /**
@@ -23,9 +25,9 @@ class noPdfHandlerFoundException extends pdfGeneratorExceptionAbstract
      * @param                 $requestId
      * @param string          $sMessage
      * @param int             $iCode
-     * @param \Exception|null $previous
+     * @param Exception|null $previous
      */
-    public function __construct( $requestId, $sMessage = "no pdf handler defined for given request id", $iCode = 0, \Exception $previous = null )
+    public function __construct( $requestId, $sMessage = "no pdf handler defined for given request id", $iCode = 0, Exception $previous = null )
     {
         $sMessage .= ' "'.$requestId.'"';
         parent::__construct( $sMessage, $iCode, $previous );
diff --git a/Application/Model/Exceptions/wrongPdfGeneratorInterface.php b/Application/Model/Exceptions/wrongPdfGeneratorInterface.php
index 8b2572e..2d05ae5 100644
--- a/Application/Model/Exceptions/wrongPdfGeneratorInterface.php
+++ b/Application/Model/Exceptions/wrongPdfGeneratorInterface.php
@@ -15,9 +15,11 @@
 
 namespace D3\PdfDocuments\Application\Model\Exceptions;
 
+use Exception;
+
 class wrongPdfGeneratorInterface extends pdfGeneratorExceptionAbstract
 {
-    public function __construct( $requiredInterface, $sMessage = "generator class doesn't fulfilled the interface", $iCode = 0, \Exception $previous = null ) {
+    public function __construct( $requiredInterface, $sMessage = "generator class doesn't fulfilled the interface", $iCode = 0, Exception $previous = null ) {
 
         $sMessage .= $requiredInterface;