Avoid uninitialized/unused variables

1 files changed, 1 insertions, 4 deletions

diff --git a/program/lib/Roundcube/rcube_imap.php b/program/lib/Roundcube/rcube_imap.php
index 696f485eb..43c61fd81 100644
--- a/program/lib/Roundcube/rcube_imap.php
+++ b/program/lib/Roundcube/rcube_imap.php
@@ -1423,8 +1423,6 @@ class rcube_imap extends rcube_storage
      */
     protected function search_index($folder, $criteria='ALL', $charset=NULL, $sort_field=NULL)
     {
-        $orig_criteria = $criteria;
-
         if (!$this->check_connection()) {
             if ($this->threading) {
                 return new rcube_result_thread();
@@ -2783,7 +2781,6 @@ class rcube_imap extends rcube_storage
      */
     private function list_folders_update(&$result, $type = null)
     {
-        $delim     = $this->get_hierarchy_delimiter();
         $namespace = $this->get_namespace();
         $search    = array();
 
@@ -3846,7 +3843,7 @@ class rcube_imap extends rcube_storage
         $delimiter = $this->get_hierarchy_delimiter();
 
         // find default folders and skip folders starting with '.'
-        foreach ($a_folders as $i => $folder) {
+        foreach ($a_folders as $folder) {
             if ($folder[0] == '.') {
                 continue;
             }