diff --git a/src/Symfony/Bundle/TwigBundle/Extension/ActionsExtension.php b/src/Symfony/Bundle/TwigBundle/Extension/ActionsExtension.php
index 1cd134fbc7..ef259b338d 100644
--- a/src/Symfony/Bundle/TwigBundle/Extension/ActionsExtension.php
+++ b/src/Symfony/Bundle/TwigBundle/Extension/ActionsExtension.php
@@ -38,8 +38,6 @@ class ActionsExtension extends AbstractExtension
         if ($handler instanceof FragmentHandler) {
             $this->handler = $handler;
         } elseif ($handler instanceof ContainerInterface) {
-            @trigger_error('The ability to pass a ContainerInterface instance as a first argument to '.__METHOD__.' method is deprecated since Symfony 2.7 and will be removed in 3.0. Pass a FragmentHandler instance instead.', E_USER_DEPRECATED);
-
             $this->handler = $handler->get('fragment.handler');
         } else {
             throw new \BadFunctionCallException(sprintf('%s takes a FragmentHandler or a ContainerInterface object as its first argument.', __METHOD__));
diff --git a/src/Symfony/Component/Serializer/Normalizer/AbstractNormalizer.php b/src/Symfony/Component/Serializer/Normalizer/AbstractNormalizer.php
index 88f5f9273d..b1975122d1 100644
--- a/src/Symfony/Component/Serializer/Normalizer/AbstractNormalizer.php
+++ b/src/Symfony/Component/Serializer/Normalizer/AbstractNormalizer.php
@@ -158,7 +158,7 @@ abstract class AbstractNormalizer extends SerializerAwareNormalizer implements N
      */
     public function setCamelizedAttributes(array $camelizedAttributes)
     {
-        @trigger_error(sprintf('%s is deprecated since Symfony 2.7 and will be removed in 3.0. Use Symfony\Component\Serializer\NameConverter\CamelCaseToSnakeCaseNameConverter instead.', __METHOD__), E_USER_DEPRECATED);
+        @trigger_error(sprintf('The "%s()" method is deprecated since Symfony 2.7 and will be removed in 3.0. Use Symfony\Component\Serializer\NameConverter\CamelCaseToSnakeCaseNameConverter instead.', __METHOD__), E_USER_DEPRECATED);
 
         if ($this->nameConverter && !$this->nameConverter instanceof CamelCaseToSnakeCaseNameConverter) {
             throw new LogicException(sprintf('%s cannot be called if a custom Name Converter is defined.', __METHOD__));
@@ -237,7 +237,7 @@ abstract class AbstractNormalizer extends SerializerAwareNormalizer implements N
      */
     protected function formatAttribute($attributeName)
     {
-        @trigger_error(sprintf('%s is deprecated since Symfony 2.7 and will be removed in 3.0. Use Symfony\Component\Serializer\NameConverter\CamelCaseToSnakeCaseNameConverter instead.', __METHOD__), E_USER_DEPRECATED);
+        @trigger_error(sprintf('The "%s()" method is deprecated since Symfony 2.7 and will be removed in 3.0. Use Symfony\Component\Serializer\NameConverter\CamelCaseToSnakeCaseNameConverter instead.', __METHOD__), E_USER_DEPRECATED);
 
         return $this->nameConverter ? $this->nameConverter->normalize($attributeName) : $attributeName;
     }