diff --git a/phpBB/includes/acp/acp_bbcodes.php b/phpBB/includes/acp/acp_bbcodes.php
index 5360ab0f7b..a67f3c54f9 100644
--- a/phpBB/includes/acp/acp_bbcodes.php
+++ b/phpBB/includes/acp/acp_bbcodes.php
@@ -211,11 +211,6 @@ class acp_bbcodes
 						$test = $data['bbcode_tag'];
 					}
 
-					if (!preg_match('%\\[' . $test . '[^]]*].*?\\[/' . $test . ']%s', $bbcode_match))
-					{
-						trigger_error($user->lang['BBCODE_OPEN_ENDED_TAG'] . adm_back_link($this->u_action), E_USER_WARNING);
-					}
-
 					if (strlen($data['bbcode_tag']) > 16)
 					{
 						trigger_error($user->lang['BBCODE_TAG_TOO_LONG'] . adm_back_link($this->u_action), E_USER_WARNING);
diff --git a/phpBB/language/en/acp/posting.php b/phpBB/language/en/acp/posting.php
index 1e1c5554e1..1667aa6011 100644
--- a/phpBB/language/en/acp/posting.php
+++ b/phpBB/language/en/acp/posting.php
@@ -56,7 +56,6 @@ $lang = array_merge($lang, array(
 
 	'BBCODE_INVALID_TAG_NAME'	=> 'The BBCode tag name that you selected already exists.',
 	'BBCODE_INVALID'			=> 'Your BBCode is constructed in an invalid form.',
-	'BBCODE_OPEN_ENDED_TAG'		=> 'Your custom BBCode must contain both an opening and a closing tag.',
 	'BBCODE_TAG'				=> 'Tag',
 	'BBCODE_TAG_TOO_LONG'		=> 'The tag name you selected is too long.',
 	'BBCODE_TAG_DEF_TOO_LONG'	=> 'The tag definition that you have entered is too long, please shorten your tag definition.',