diff --git a/phpBB/includes/cron/task.php b/phpBB/includes/cron/task.php
index e66acd5492..38fb2a6cd1 100644
--- a/phpBB/includes/cron/task.php
+++ b/phpBB/includes/cron/task.php
@@ -46,35 +46,3 @@ interface phpbb_cron_task
 	*/
 	public function is_shutdown_function_safe();
 }
-
-/**
-* Parametrized cron task interface.
-*
-* Parametrized cron tasks are somewhat of a cross between regular cron tasks and
-* delayed jobs. Whereas regular cron tasks perform some action globally,
-* parametrized cron tasks perform actions on a particular object (or objects).
-* Parametrized cron tasks do not make sense and are not usable without
-* specifying these objects.
-*
-* @package phpBB3
-*/
-interface phpbb_parametrized_cron_task extends cron_task
-{
-	/**
-	* Returns parameters of this cron task as an array.
-	*
-	* The array must map string keys to string values.
-	*/
-	public function get_parameters();
-
-	/**
-	* Parses parameters found in $params, which is an array.
-	*
-	* $params contains user input and must not be trusted.
-	* In normal operation $params contains the same data that was returned by
-	* get_parameters method. However, a malicious user can supply arbitrary
-	* data in $params.
-	* Cron task must validate all keys and values in $params before using them.
-	*/
-	public function parse_parameters($params);
-}
diff --git a/phpBB/includes/cron/task/core/prune_forum.php b/phpBB/includes/cron/task/core/prune_forum.php
index eb01e535a9..5efcde4102 100644
--- a/phpBB/includes/cron/task/core/prune_forum.php
+++ b/phpBB/includes/cron/task/core/prune_forum.php
@@ -25,7 +25,7 @@ if (!defined('IN_PHPBB'))
 *
 * @package phpBB3
 */
-class phpbb_cron_task_core_prune_forum extends phpbb_cron_task_base implements phpbb_parametrized_cron_task
+class phpbb_cron_task_core_prune_forum extends phpbb_cron_task_base implements phpbb_cron_task_parametrized
 {
 	private $forum_data;
 
diff --git a/phpBB/includes/cron/task_parametrized.php b/phpBB/includes/cron/task_parametrized.php
new file mode 100644
index 0000000000..1906009ebe
--- /dev/null
+++ b/phpBB/includes/cron/task_parametrized.php
@@ -0,0 +1,49 @@
+<?php
+/**
+*
+* @package phpBB3
+* @version $Id$
+* @copyright (c) 2010 phpBB Group
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('IN_PHPBB'))
+{
+	exit;
+}
+
+/**
+* Parametrized cron task interface.
+*
+* Parametrized cron tasks are somewhat of a cross between regular cron tasks and
+* delayed jobs. Whereas regular cron tasks perform some action globally,
+* parametrized cron tasks perform actions on a particular object (or objects).
+* Parametrized cron tasks do not make sense and are not usable without
+* specifying these objects.
+*
+* @package phpBB3
+*/
+interface phpbb_cron_task_parametrized extends cron_task
+{
+	/**
+	* Returns parameters of this cron task as an array.
+	*
+	* The array must map string keys to string values.
+	*/
+	public function get_parameters();
+
+	/**
+	* Parses parameters found in $params, which is an array.
+	*
+	* $params contains user input and must not be trusted.
+	* In normal operation $params contains the same data that was returned by
+	* get_parameters method. However, a malicious user can supply arbitrary
+	* data in $params.
+	* Cron task must validate all keys and values in $params before using them.
+	*/
+	public function parse_parameters($params);
+}
\ No newline at end of file
diff --git a/phpBB/includes/cron/task_wrapper.php b/phpBB/includes/cron/task_wrapper.php
index b3662a4e31..159382a8d1 100644
--- a/phpBB/includes/cron/task_wrapper.php
+++ b/phpBB/includes/cron/task_wrapper.php
@@ -40,7 +40,7 @@ class phpbb_cron_task_wrapper
 	*/
 	public function is_parametrized()
 	{
-		return $this->task instanceof phpbb_parametrized_cron_task;
+		return $this->task instanceof phpbb_cron_task_parametrized;
 	}
 
 	/**