3 files changed, 7 insertions, 16 deletions
diff --git a/phpBB/phpbb/captcha/plugins/captcha_abstract.php b/phpBB/phpbb/captcha/plugins/captcha_abstract.php
index b29f144f97..82b08704ff 100644
--- a/phpBB/phpbb/captcha/plugins/captcha_abstract.php
+++ b/phpBB/phpbb/captcha/plugins/captcha_abstract.php
@@ -34,7 +34,7 @@ abstract class captcha_abstract
 
 	function init($type)
 	{
-		global $config, $db, $user, $request;
+		global $config, $request;
 
 		// read input
 		$this->confirm_id = $request->variable('confirm_id', '');
@@ -56,8 +56,6 @@ abstract class captcha_abstract
 
 	function execute_demo()
 	{
-		global $user;
-
 		$this->code = gen_rand_string_friendly(mt_rand(CAPTCHA_MIN_CHARS, CAPTCHA_MAX_CHARS));
 		$this->seed = hexdec(substr(unique_id(), 4, 10));
 
@@ -117,7 +115,7 @@ abstract class captcha_abstract
 
 	function get_demo_template($id)
 	{
-		global $config, $user, $template, $request, $phpbb_admin_path, $phpEx;
+		global $config, $template, $request, $phpbb_admin_path, $phpEx;
 
 		$variables = '';
 
@@ -153,7 +151,7 @@ abstract class captcha_abstract
 
 	function garbage_collect($type)
 	{
-		global $db, $config;
+		global $db;
 
 		$sql = 'SELECT DISTINCT c.session_id
 			FROM ' . CONFIRM_TABLE . ' c
@@ -193,7 +191,7 @@ abstract class captcha_abstract
 
 	function validate()
 	{
-		global $config, $db, $user;
+		global $user;
 
 		if (!$user->is_setup())
 		{
diff --git a/phpBB/phpbb/captcha/plugins/gd.php b/phpBB/phpbb/captcha/plugins/gd.php
index 1727dcc1bb..831e5bcfdf 100644
--- a/phpBB/phpbb/captcha/plugins/gd.php
+++ b/phpBB/phpbb/captcha/plugins/gd.php
@@ -53,18 +53,11 @@ class gd extends captcha_abstract
 
 	function acp_page($id, &$module)
 	{
-		global $db, $user, $auth, $template, $phpbb_log, $request;
-		global $config, $phpbb_root_path, $phpbb_admin_path, $phpEx;
+		global $user, $template, $phpbb_log, $request;
+		global $config;
 
 		$user->add_lang('acp/board');
 
-		$config_vars = array(
-			'enable_confirm'		=> 'REG_ENABLE',
-			'enable_post_confirm'	=> 'POST_ENABLE',
-			'confirm_refresh'		=> 'CONFIRM_REFRESH',
-			'captcha_gd'			=> 'CAPTCHA_GD',
-		);
-
 		$module->tpl_name = 'captcha_gd_acp';
 		$module->page_title = 'ACP_VC_SETTINGS';
 		$form_key = 'acp_captcha';
diff --git a/phpBB/phpbb/captcha/plugins/gd_wave.php b/phpBB/phpbb/captcha/plugins/gd_wave.php
index e1d44df778..bde46f8815 100644
--- a/phpBB/phpbb/captcha/plugins/gd_wave.php
+++ b/phpBB/phpbb/captcha/plugins/gd_wave.php
@@ -35,7 +35,7 @@ class gd_wave extends captcha_abstract
 
 	function acp_page($id, &$module)
 	{
-		global $config, $db, $template, $user;
+		global $user;
 
 		trigger_error($user->lang['CAPTCHA_NO_OPTIONS'] . adm_back_link($module->u_action));
 	}