2 files changed, 2 insertions, 2 deletions

diff --git a/phpBB/includes/config/config.php b/phpBB/includes/config/config.php
index 12a4a418b2..4b533dd55c 100644
--- a/phpBB/includes/config/config.php
+++ b/phpBB/includes/config/config.php
@@ -109,7 +109,7 @@ class phpbb_config implements ArrayAccess, IteratorAggregate, Countable
 	* @param  String $key       The configuration option's name
 	* @param  bool   $use_cache Whether this variable should be cached or if it
 	*                           changes too frequently to be efficiently cached
-	* @return void
+	* @return null
 	*/
 	public function delete($key, $use_cache = true)
 	{
diff --git a/phpBB/includes/config/db.php b/phpBB/includes/config/db.php
index 993a764a7f..45f9f1cb21 100644
--- a/phpBB/includes/config/db.php
+++ b/phpBB/includes/config/db.php
@@ -96,7 +96,7 @@ class phpbb_config_db extends phpbb_config
 	* @param  String $key       The configuration option's name
 	* @param  bool   $use_cache Whether this variable should be cached or if it
 	*                           changes too frequently to be efficiently cached
-	* @return void
+	* @return null
 	*/
 	public function delete($key, $use_cache = true)
 	{