diff --git a/libraries/schema/Dia_Relation_Schema.class.php b/libraries/schema/Dia_Relation_Schema.class.php
index 97ac28a19..72eea5ebc 100644
--- a/libraries/schema/Dia_Relation_Schema.class.php
+++ b/libraries/schema/Dia_Relation_Schema.class.php
@@ -713,10 +713,6 @@ class PMA_Dia_Relation_Schema extends PMA_Export_Relation_Schema
         $dia->endDiaDoc();
         $dia->showOutput($db.'-'.$this->pageNumber);
         exit();
-       // print '<pre>';
-        //print_r(get_object_vars($dia));
-        //print_r(get_object_vars($this));
-        //print '</pre>';
     }
 
     /**
diff --git a/libraries/schema/Eps_Relation_Schema.class.php b/libraries/schema/Eps_Relation_Schema.class.php
index 07c3417d2..e0dbe09b3 100644
--- a/libraries/schema/Eps_Relation_Schema.class.php
+++ b/libraries/schema/Eps_Relation_Schema.class.php
@@ -797,12 +797,6 @@ class PMA_Eps_Relation_Schema extends PMA_Export_Relation_Schema
         $eps->endEpsDoc();
         $eps->showOutput($db.'-'.$this->pageNumber);
         exit();
-        //print '<pre>';
-        //print_r(get_object_vars($eps));
-        //print_r($alltables);
-        //print_r(get_object_vars($this));
-        //print '</pre>';
-
     }
 
     /**
diff --git a/libraries/schema/Pdf_Relation_Schema.class.php b/libraries/schema/Pdf_Relation_Schema.class.php
index 829798137..78e6387b5 100644
--- a/libraries/schema/Pdf_Relation_Schema.class.php
+++ b/libraries/schema/Pdf_Relation_Schema.class.php
@@ -949,11 +949,6 @@ class PMA_Pdf_Relation_Schema extends PMA_Export_Relation_Schema
         if ($seen_a_relation) {
             $this->_drawRelations($this->showColor);
         }
-   /*     print '<pre>';
-        print_r(get_object_vars($this));
-        print_r(get_object_vars($pdf));
-        print '</pre>';
-        */
         $this->_drawTables($this->showColor);
         $this->_showOutput($this->pageNumber);
         exit();
diff --git a/libraries/schema/Svg_Relation_Schema.class.php b/libraries/schema/Svg_Relation_Schema.class.php
index 8714abcaf..03422cb8f 100644
--- a/libraries/schema/Svg_Relation_Schema.class.php
+++ b/libraries/schema/Svg_Relation_Schema.class.php
@@ -781,12 +781,6 @@ class PMA_Svg_Relation_Schema extends PMA_Export_Relation_Schema
         $svg->endSvgDoc();
         $svg->showOutput($db.'-'.$this->pageNumber);
         exit();
-        //print '<pre>';
-       // print_r(get_object_vars($svg));
-        //print_r($alltables);
-       // print_r($this);
-       // print '</pre>';
-
     }
 
     /**
diff --git a/libraries/schema/Visio_Relation_Schema.class.php b/libraries/schema/Visio_Relation_Schema.class.php
index 472785c71..e3aaba12f 100644
--- a/libraries/schema/Visio_Relation_Schema.class.php
+++ b/libraries/schema/Visio_Relation_Schema.class.php
@@ -538,10 +538,6 @@ class PMA_Visio_Relation_Schema extends PMA_Export_Relation_Schema
         $visio->endVisioDoc();
         $visio->showOutput($db.'-'.$this->pageNumber);
         exit();
-        print '<pre>';
-        print_r(get_object_vars($visio));
-        print_r(get_object_vars($this));
-        print '</pre>';
     }
 
     /**