diff --git a/classes/abstract_driver.php b/classes/abstract_driver.php
index 56b493d..a438b91 100644
--- a/classes/abstract_driver.php
+++ b/classes/abstract_driver.php
@@ -407,7 +407,7 @@ abstract class Abstract_Driver extends PDO implements Driver_Interface {
 	/**
 	 * Method to simplify retreiving db results for meta-data queries
 	 *
-	 * @param string $sql
+	 * @param string|array|null $sql
 	 * @param bool $filtered_index
 	 * @return array
 	 */
diff --git a/classes/connection_manager.php b/classes/connection_manager.php
index 6dc1cdd..95097b9 100644
--- a/classes/connection_manager.php
+++ b/classes/connection_manager.php
@@ -148,7 +148,7 @@ final class Connection_Manager {
 		}
 
 		// Create the Query Builder object
-		$conn = new Query_Builder($db, $params);
+		$conn = new Query_Builder($db);
 
 		// Save it for later
 		if (isset($params->alias))
diff --git a/classes/query_builder.php b/classes/query_builder.php
index c94e2e4..dc11f60 100644
--- a/classes/query_builder.php
+++ b/classes/query_builder.php
@@ -177,9 +177,8 @@ class Query_Builder implements Query_Builder_Interface {
 	 * Constructor
 	 *
 	 * @param Abstract_driver $db
-	 * @param ArrayObject $params - the connection parameters
 	 */
-	public function __construct(Driver_Interface $db, ArrayObject $params)
+	public function __construct(Driver_Interface $db)
 	{
 		$this->db = $db;