Avoid uninitialized/unused variables

2 files changed, 2 insertions, 3 deletions

diff --git a/program/steps/settings/edit_prefs.inc b/program/steps/settings/edit_prefs.inc
index 971ed60b6..468e4994d 100644
--- a/program/steps/settings/edit_prefs.inc
+++ b/program/steps/settings/edit_prefs.inc
@@ -40,7 +40,7 @@ function rcmail_user_prefs_form($attrib)
 
   $out = $form_start;
 
-  foreach ($SECTIONS[$CURR_SECTION]['blocks'] as $idx => $block) {
+  foreach ($SECTIONS[$CURR_SECTION]['blocks'] as $block) {
     if (!empty($block['options'])) {
       $table = new html_table(array('cols' => 2));
 
diff --git a/program/steps/settings/folders.inc b/program/steps/settings/folders.inc
index 0c7d9063f..34a72dd95 100644
--- a/program/steps/settings/folders.inc
+++ b/program/steps/settings/folders.inc
@@ -283,7 +283,6 @@ function rcube_subscription_form($attrib)
         $noselect   = false;
         $classes    = array($i%2 ? 'even' : 'odd');
 
-        $folder_js      = Q($folder['id']);
         $folder_utf8    = rcube_charset_convert($folder['id'], 'UTF7-IMAP');
         $display_folder = str_repeat('    ', $folder['level'])
             . Q($protected ? rcmail_localize_foldername($folder['id']) : $folder['name']);
@@ -394,7 +393,7 @@ function rcmail_rename_folder($oldname, $newname)
         $a_threaded = (array) $RCMAIL->config->get('message_threading', array());
         $oldprefix  = '/^' . preg_quote($oldname . $delimiter, '/') . '/';
 
-        foreach ($a_threaded as $key => $val) {
+        foreach (array_keys($a_threaded) as $key) {
             if ($key == $oldname) {
                 unset($a_threaded[$key]);
                 $a_threaded[$newname] = true;