diff --git a/src/Symfony/Component/Translation/IdentityTranslator.php b/src/Symfony/Component/Translation/IdentityTranslator.php
index f15a501f1fd9..a8f72d746afb 100644
--- a/src/Symfony/Component/Translation/IdentityTranslator.php
+++ b/src/Symfony/Component/Translation/IdentityTranslator.php
@@ -18,7 +18,7 @@
  */
 class IdentityTranslator implements TranslatorInterface
 {
-    protected $selector;
+    private $selector;
 
     /**
      * Constructor.
diff --git a/src/Symfony/Component/Translation/Interval.php b/src/Symfony/Component/Translation/Interval.php
index 98a425561454..63c89c560522 100644
--- a/src/Symfony/Component/Translation/Interval.php
+++ b/src/Symfony/Component/Translation/Interval.php
@@ -90,7 +90,7 @@ static public function getIntervalRegexp()
 EOF;
     }
 
-    static protected function convertNumber($number)
+    static private function convertNumber($number)
     {
         if ('-Inf' === $number) {
             return log(0);
diff --git a/src/Symfony/Component/Translation/Loader/ArrayLoader.php b/src/Symfony/Component/Translation/Loader/ArrayLoader.php
index 0ca9895f62ce..ed88828a021a 100644
--- a/src/Symfony/Component/Translation/Loader/ArrayLoader.php
+++ b/src/Symfony/Component/Translation/Loader/ArrayLoader.php
@@ -46,7 +46,7 @@ public function load($resource, $locale, $domain = 'messages')
      * @param array $subnode current subnode being parsed, used internally for recursive calls
      * @param string $path current path being parsed, used internally for recursive calls
      */
-    protected function flatten(array &$messages, array $subnode = null, $path = null)
+    private function flatten(array &$messages, array $subnode = null, $path = null)
     {
         if (null === $subnode) {
             $subnode =& $messages;
diff --git a/src/Symfony/Component/Translation/Loader/XliffFileLoader.php b/src/Symfony/Component/Translation/Loader/XliffFileLoader.php
index 93b7e2c9bb3a..48d2fdf4037b 100644
--- a/src/Symfony/Component/Translation/Loader/XliffFileLoader.php
+++ b/src/Symfony/Component/Translation/Loader/XliffFileLoader.php
@@ -44,7 +44,7 @@ public function load($resource, $locale, $domain = 'messages')
      * @param  string $file
      * @return SimpleXMLElement
      */
-    protected function parseFile($file)
+    private function parseFile($file)
     {
         $dom = new \DOMDocument();
         $current = libxml_use_internal_errors(true);
@@ -74,7 +74,7 @@ protected function parseFile($file)
      *
      * @return array  An array of errors
      */
-    protected function getXmlErrors()
+    private function getXmlErrors()
     {
         $errors = array();
         foreach (libxml_get_errors() as $error) {
diff --git a/src/Symfony/Component/Translation/MessageCatalogue.php b/src/Symfony/Component/Translation/MessageCatalogue.php
index 17765782b79f..e2436f175b12 100644
--- a/src/Symfony/Component/Translation/MessageCatalogue.php
+++ b/src/Symfony/Component/Translation/MessageCatalogue.php
@@ -20,9 +20,9 @@
  */
 class MessageCatalogue implements MessageCatalogueInterface
 {
-    protected $messages = array();
-    protected $locale;
-    protected $resources;
+    private $messages = array();
+    private $locale;
+    private $resources;
 
     /**
      * Constructor.
diff --git a/src/Symfony/Component/Translation/PluralizationRules.php b/src/Symfony/Component/Translation/PluralizationRules.php
index 2f793e13b157..fe5628c4a00b 100644
--- a/src/Symfony/Component/Translation/PluralizationRules.php
+++ b/src/Symfony/Component/Translation/PluralizationRules.php
@@ -19,7 +19,7 @@
 class PluralizationRules
 {
     // @codeCoverageIgnoreStart
-    static protected $rules = array();
+    static private $rules = array();
 
     /**
      * Returns the plural position to use for the given locale and number.
diff --git a/src/Symfony/Component/Translation/Translator.php b/src/Symfony/Component/Translation/Translator.php
index e2f3dda67888..5f0091e25860 100644
--- a/src/Symfony/Component/Translation/Translator.php
+++ b/src/Symfony/Component/Translation/Translator.php
@@ -20,12 +20,12 @@
  */
 class Translator implements TranslatorInterface
 {
-    protected $catalogues;
-    protected $locale;
-    protected $fallbackLocale;
-    protected $loaders;
-    protected $resources;
-    protected $selector;
+    private $catalogues;
+    private $locale;
+    private $fallbackLocale;
+    private $loaders;
+    private $resources;
+    private $selector;
 
     /**
      * Constructor.
@@ -131,12 +131,11 @@ public function transChoice($id, $number, array $parameters = array(), $domain =
         return strtr($this->selector->choose($this->catalogues[$locale]->get($id, $domain), (int) $number, $locale), $parameters);
     }
 
-    protected function loadCatalogue($locale)
+    private function loadCatalogue($locale)
     {
         $this->catalogues[$locale] = new MessageCatalogue($locale);
 
         if (isset($this->resources[$locale])) {
-
             foreach ($this->resources[$locale] as $resource) {
                 if (!isset($this->loaders[$resource[0]])) {
                     throw new \RuntimeException(sprintf('The "%s" translation loader is not registered.', $resource[0]));
@@ -148,7 +147,7 @@ protected function loadCatalogue($locale)
         $this->optimizeCatalogue($locale);
     }
 
-    protected function optimizeCatalogue($locale)
+    private function optimizeCatalogue($locale)
     {
         if (strlen($locale) > 3) {
             $fallback = substr($locale, 0, -strlen(strrchr($locale, '_')));