diff --git a/dblayer.php b/dblayer.php
index 20691fa..7f69487 100644
--- a/dblayer.php
+++ b/dblayer.php
@@ -51,8 +51,6 @@ class dblayer extends PDO
   public $unique = null;
   /** An array to define the foreign keys of the field */
   public $foreign = array ();
-  /** The db connection */
-  public $db = null;
   /** The verify unitary stack
       @param string $field The name of the field to test
       @param string $val The value of the field to test */
@@ -101,20 +99,6 @@ class dblayer extends PDO
     if (! isset ($driver[0]))
       throw new Exception (_("No valid DSN provided"), 500);
     // Force specifics initialisations
-/*    $oldInst = self::getInstance($dsn, $username);
-
-    if ($oldInst !== null)
-    {
-      $this = $oldInst["db"];
-$this->setAttribute (PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
-$this->exec("PRAGMA foreign_keys = ON");
-      $this->sep = $oldInst["sep"];
-      $this->dsn = $oldInst["dsn"];
-echo "OLD\n";
-      return;
-    }
-
-echo "NEW\n";*/
     switch ($driver[0])
     {
     case "sqlite":
@@ -178,20 +162,6 @@ echo "NEW\n";*/
       break;
     }
     $this->dsn = $dsn;
-    self::$instance["$dsn-$username"]["db"] = $this;
-    self::$instance["$dsn-$username"]["dsn"] = $this->dsn;
-    self::$instance["$dsn-$username"]["sep"] = $this->sep;
-  }
-
-  /** Singleton function to open one connection to each database/user wanted */
-  private function getInstance ($dsn, $username)
-  {
-    if (self::$instance === null ||
-        array_key_exists ("$dsn-$username", self::$instance) === false)
-    {
-      return null;
-    }
-    return self::$instance["$dsn-$username"];
   }
 
   /** Return the connected database name from DSN used to connect */
@@ -1195,13 +1165,8 @@ echo "NEW\n";*/
                            "PDO Engine not supported in dbLayer"), 500);
     }
 
-$this->debug = true;
     if ($this->debug)
       echo "$sql\n";
-$rc=$this->exec($sql);
-var_dump ($rc);
-//print_r($this->errorInfo());
-return $rc;
     return $this->exec($sql);
   }