diff --git a/src/Symfony/Component/Form/Extension/Core/Type/FormType.php b/src/Symfony/Component/Form/Extension/Core/Type/FormType.php
index 69e634e6ae..9d5be03bf6 100644
--- a/src/Symfony/Component/Form/Extension/Core/Type/FormType.php
+++ b/src/Symfony/Component/Form/Extension/Core/Type/FormType.php
@@ -195,7 +195,7 @@ class FormType extends BaseType
 
         $readOnlyNormalizer = function (Options $options, $readOnly) {
             if (null !== $readOnly) {
-                trigger_error('The form option "read_only" is deprecated since version 2.8 and will be removed in 3.0. Use "attr[\'readonly\']" instead.', E_USER_DEPRECATED);
+                @trigger_error('The form option "read_only" is deprecated since version 2.8 and will be removed in 3.0. Use "attr[\'readonly\']" instead.', E_USER_DEPRECATED);
 
                 return $readOnly;
             }
diff --git a/src/Symfony/Component/Translation/Translator.php b/src/Symfony/Component/Translation/Translator.php
index 7c1d7c4b2d..9832c3f31c 100644
--- a/src/Symfony/Component/Translation/Translator.php
+++ b/src/Symfony/Component/Translation/Translator.php
@@ -294,7 +294,7 @@ class Translator implements TranslatorInterface, TranslatorBagInterface
      */
     public function getMessages($locale = null)
     {
-        trigger_error('The '.__METHOD__.' method is deprecated since version 2.8 and will be removed in 3.0. Use TranslatorBagInterface::getCatalogue() method instead.', E_USER_DEPRECATED);
+        @trigger_error('The '.__METHOD__.' method is deprecated since version 2.8 and will be removed in 3.0. Use TranslatorBagInterface::getCatalogue() method instead.', E_USER_DEPRECATED);
 
         $catalogue = $this->getCatalogue($locale);
         $messages = $catalogue->all();