diff --git a/phpBB/includes/notification/manager.php b/phpBB/includes/notification/manager.php
index 653446ab73..fee1d079aa 100644
--- a/phpBB/includes/notification/manager.php
+++ b/phpBB/includes/notification/manager.php
@@ -733,6 +733,21 @@ class phpbb_notification_manager
 		$this->db->sql_query($sql);
 	}
 
+	/**
+	* Purge all notifications of a certain type
+	*
+	* This should be called when an extension which has notification types
+	* is purged so that all those notifications are removed
+	*
+	* @param string $item_type
+	*/
+	public function purge_notifications($item_type)
+	{
+		$sql = 'DELETE FROM ' . $this->notifications_table . "
+			WHERE item_type = '" . $this->db->sql_escape($item_type) . "'";
+		$this->db->sql_query($sql);
+	}
+
 	/**
 	* Enable all notifications of a certain type
 	*