diff --git a/lib/Alchemy/Phrasea/Controller/Admin/Subdefs.php b/lib/Alchemy/Phrasea/Controller/Admin/Subdefs.php
index 721ecb6ff7..f51b0946b4 100644
--- a/lib/Alchemy/Phrasea/Controller/Admin/Subdefs.php
+++ b/lib/Alchemy/Phrasea/Controller/Admin/Subdefs.php
@@ -67,10 +67,9 @@ class Subdefs implements ControllerProviderInterface
             } elseif (count($add_subdef) === 3) {
 
                 $subdefs = $databox->get_subdef_structure();
-                $UnicodeProcessor = new \unicode();
 
                 $group = $add_subdef['group'];
-                $name = $UnicodeProcessor->remove_nonazAZ09($add_subdef['name'], false);
+                $name = $app['unicode']->remove_nonazAZ09($add_subdef['name'], false);
                 $class = $add_subdef['class'];
 
                 $subdefs->add_subdef($group, $name, $class);
diff --git a/lib/Alchemy/Phrasea/SearchEngine/Phrasea/PhraseaEngineQueryParser.php b/lib/Alchemy/Phrasea/SearchEngine/Phrasea/PhraseaEngineQueryParser.php
index 85fd45158f..f0e8740b42 100644
--- a/lib/Alchemy/Phrasea/SearchEngine/Phrasea/PhraseaEngineQueryParser.php
+++ b/lib/Alchemy/Phrasea/SearchEngine/Phrasea/PhraseaEngineQueryParser.php
@@ -92,13 +92,11 @@ class PhraseaEngineQueryParser
      * @var <type>
      */
     public $lng;
-    protected $unicode;
 
     public function __construct(Application $app, $lng = "???")
     {
         $this->app = $app;
         $this->lng = $lng;
-        $this->unicode = new \unicode();
 
         return $this;
     }
@@ -1845,7 +1843,7 @@ class PhraseaEngineQueryParser
                     $this->phq = $this->mb_ltrim(mb_substr($this->phq, 1, 99999, 'UTF-8'), 'UTF-8');
                     $this->phq = "";
                 }
-                $context = $this->unicode->remove_indexer_chars($context);
+                $context = $this->app['unicode']->remove_indexer_chars($context);
 
                 return(array("CLASS" => "TOK_CONTEXT", "VALUE" => $context));
                 break;
@@ -1871,10 +1869,10 @@ class PhraseaEngineQueryParser
                 $t = "";
                 $c_utf8 = "";
                 for ($i = 0; $i < $l; $i++) {
-                    if (!$this->unicode->has_indexer_bad_char(($c_utf8 = mb_substr($this->phq, $i, 1, 'UTF-8')))) {
+                    if (!$this->app['unicode']->has_indexer_bad_char(($c_utf8 = mb_substr($this->phq, $i, 1, 'UTF-8')))) {
                         //  $c = mb_strtolower($c);
                         //  $t .= isset($this->noaccent[$c]) ? $this->noaccent[$c] : $c;
-                        $t .= $this->unicode->remove_diacritics(mb_strtolower($c_utf8));
+                        $t .= $this->app['unicode']->remove_diacritics(mb_strtolower($c_utf8));
                     } else
                         break;
                 }
diff --git a/lib/classes/caption/Field/Value.class.php b/lib/classes/caption/Field/Value.class.php
index 842e8360b1..17cc24ce42 100644
--- a/lib/classes/caption/Field/Value.class.php
+++ b/lib/classes/caption/Field/Value.class.php
@@ -352,8 +352,6 @@ class caption_Field_Value implements cache_cacheableInterface
             return $value;
         }
 
-        $unicode = new unicode();
-
         $DOM_branchs = $XPATH_thesaurus->query($tbranch);
 
         $fvalue = $value;
@@ -361,8 +359,8 @@ class caption_Field_Value implements cache_cacheableInterface
         $cleanvalue = str_replace(array("<em>", "</em>", "'"), array("", "", "&apos;"), $fvalue);
 
         list($term_noacc, $context_noacc) = $this->splitTermAndContext($cleanvalue);
-        $term_noacc = $unicode->remove_indexer_chars($term_noacc);
-        $context_noacc = $unicode->remove_indexer_chars($context_noacc);
+        $term_noacc = $this->app['unicode']->remove_indexer_chars($term_noacc);
+        $context_noacc = $this->app['unicode']->remove_indexer_chars($context_noacc);
         if ($context_noacc) {
             $q = "//sy[@w='" . $term_noacc . "' and @k='" . $context_noacc . "']";
         } else {
diff --git a/lib/classes/media/Permalink/Adapter.class.php b/lib/classes/media/Permalink/Adapter.class.php
index ca8e2b0c05..dd62d702a7 100644
--- a/lib/classes/media/Permalink/Adapter.class.php
+++ b/lib/classes/media/Permalink/Adapter.class.php
@@ -225,13 +225,11 @@ class media_Permalink_Adapter implements media_Permalink_Interface, cache_cachea
      */
     public function set_label($label)
     {
-        $unicode_processor = new unicode();
-
         $label = trim($label);
         while (strpos($label, '  ') !== false)
             $label = str_replace('  ', ' ', $label);
 
-        $this->label = $unicode_processor->remove_nonazAZ09(
+        $this->label = $this->app['unicode']->remove_nonazAZ09(
             str_replace(' ', '-', $label)
         );
 
diff --git a/lib/classes/module/console/systemExport.class.php b/lib/classes/module/console/systemExport.class.php
index 6602ec0b93..5ad8a18453 100644
--- a/lib/classes/module/console/systemExport.class.php
+++ b/lib/classes/module/console/systemExport.class.php
@@ -125,8 +125,6 @@ class module_console_systemExport extends Command
 
         $total = $errors = 0;
 
-        $unicode = new \unicode();
-
         foreach ($this->getService('phraseanet.appbox')->get_databoxes() as $databox) {
             $output->writeln(sprintf("Processing <info>%s</info>", $databox->get_viewname()));
 
@@ -155,7 +153,7 @@ class module_console_systemExport extends Command
             }
 
             $local_export = $export_directory
-                . '/' . $unicode->remove_nonazAZ09($databox->get_viewname(), true, true)
+                . '/' . $this->container['unicode']->remove_nonazAZ09($databox->get_viewname(), true, true)
                 . '/';
 
             $this->getService('filesystem')->mkdir($local_export);
@@ -195,7 +193,7 @@ class module_console_systemExport extends Command
                 }
 
                 if ($sanitize) {
-                    $filename = $unicode->remove_nonazAZ09($record->get_original_name(), true, true, true);
+                    $filename = $this->container['unicode']->remove_nonazAZ09($record->get_original_name(), true, true, true);
                 } else {
                     $filename = $record->get_original_name();
                 }
diff --git a/lib/classes/set/export.class.php b/lib/classes/set/export.class.php
index b274840087..ccac183218 100644
--- a/lib/classes/set/export.class.php
+++ b/lib/classes/set/export.class.php
@@ -713,8 +713,6 @@ class set_export extends set_abstract
 
         random::updateToken($app, $token, serialize($list));
 
-        $unicode = new \unicode();
-
         $toRemove = array();
 
         foreach ($files as $record) {
@@ -727,7 +725,7 @@ class set_export extends set_abstract
                             . $obj["ajout"]
                             . '.' . $obj["exportExt"];
 
-                        $name = $unicode->remove_diacritics($name);
+                        $name = $app['unicode']->remove_diacritics($name);
 
                         $zip->addFile($path, $name);