diff --git a/src/Symfony/Component/Templating/Helper/Helper.php b/src/Symfony/Component/Templating/Helper/Helper.php
index 2f34fb22d2..d8f924d0a7 100644
--- a/src/Symfony/Component/Templating/Helper/Helper.php
+++ b/src/Symfony/Component/Templating/Helper/Helper.php
@@ -25,10 +25,8 @@ abstract class Helper implements HelperInterface
 
     /**
      * Sets the default charset.
-     *
-     * @param string $charset The charset
      */
-    public function setCharset($charset)
+    public function setCharset(string $charset)
     {
         $this->charset = $charset;
     }
diff --git a/src/Symfony/Component/Templating/Helper/HelperInterface.php b/src/Symfony/Component/Templating/Helper/HelperInterface.php
index ce67c4ac70..57c4b392e7 100644
--- a/src/Symfony/Component/Templating/Helper/HelperInterface.php
+++ b/src/Symfony/Component/Templating/Helper/HelperInterface.php
@@ -27,10 +27,8 @@ interface HelperInterface
 
     /**
      * Sets the default charset.
-     *
-     * @param string $charset The charset
      */
-    public function setCharset($charset);
+    public function setCharset(string $charset);
 
     /**
      * Gets the default charset.
diff --git a/src/Symfony/Component/Templating/Helper/SlotsHelper.php b/src/Symfony/Component/Templating/Helper/SlotsHelper.php
index 80acdc93b6..0ccd511601 100644
--- a/src/Symfony/Component/Templating/Helper/SlotsHelper.php
+++ b/src/Symfony/Component/Templating/Helper/SlotsHelper.php
@@ -27,11 +27,9 @@ class SlotsHelper extends Helper
      * This method starts an output buffer that will be
      * closed when the stop() method is called.
      *
-     * @param string $name The slot name
-     *
      * @throws \InvalidArgumentException if a slot with the same name is already started
      */
-    public function start($name)
+    public function start(string $name)
     {
         if (\in_array($name, $this->openSlots)) {
             throw new \InvalidArgumentException(sprintf('A slot named "%s" is already started.', $name));
@@ -63,11 +61,9 @@ class SlotsHelper extends Helper
     /**
      * Returns true if the slot exists.
      *
-     * @param string $name The slot name
-     *
      * @return bool
      */
-    public function has($name)
+    public function has(string $name)
     {
         return isset($this->slots[$name]);
     }
@@ -75,23 +71,19 @@ class SlotsHelper extends Helper
     /**
      * Gets the slot value.
      *
-     * @param string      $name    The slot name
      * @param bool|string $default The default slot content
      *
      * @return string The slot content
      */
-    public function get($name, $default = false)
+    public function get(string $name, $default = false)
     {
         return isset($this->slots[$name]) ? $this->slots[$name] : $default;
     }
 
     /**
      * Sets a slot value.
-     *
-     * @param string $name    The slot name
-     * @param string $content The slot content
      */
-    public function set($name, $content)
+    public function set(string $name, string $content)
     {
         $this->slots[$name] = $content;
     }
@@ -99,12 +91,11 @@ class SlotsHelper extends Helper
     /**
      * Outputs a slot.
      *
-     * @param string      $name    The slot name
      * @param bool|string $default The default slot content
      *
      * @return bool true if the slot is defined or if a default content has been provided, false otherwise
      */
-    public function output($name, $default = false)
+    public function output(string $name, $default = false)
     {
         if (!isset($this->slots[$name])) {
             if (false !== $default) {
diff --git a/src/Symfony/Component/Templating/Loader/CacheLoader.php b/src/Symfony/Component/Templating/Loader/CacheLoader.php
index 0e00ef06f7..8d63a6729c 100644
--- a/src/Symfony/Component/Templating/Loader/CacheLoader.php
+++ b/src/Symfony/Component/Templating/Loader/CacheLoader.php
@@ -81,12 +81,11 @@ class CacheLoader extends Loader
     /**
      * Returns true if the template is still fresh.
      *
-     * @param TemplateReferenceInterface $template A template
-     * @param int                        $time     The last modification time of the cached template (timestamp)
+     * @param int $time The last modification time of the cached template (timestamp)
      *
      * @return bool
      */
-    public function isFresh(TemplateReferenceInterface $template, $time)
+    public function isFresh(TemplateReferenceInterface $template, int $time)
     {
         return $this->loader->isFresh($template, $time);
     }
diff --git a/src/Symfony/Component/Templating/Loader/ChainLoader.php b/src/Symfony/Component/Templating/Loader/ChainLoader.php
index 3e5f375cb7..c85fdedd90 100644
--- a/src/Symfony/Component/Templating/Loader/ChainLoader.php
+++ b/src/Symfony/Component/Templating/Loader/ChainLoader.php
@@ -60,12 +60,11 @@ class ChainLoader extends Loader
     /**
      * Returns true if the template is still fresh.
      *
-     * @param TemplateReferenceInterface $template A template
-     * @param int                        $time     The last modification time of the cached template (timestamp)
+     * @param int $time The last modification time of the cached template (timestamp)
      *
      * @return bool
      */
-    public function isFresh(TemplateReferenceInterface $template, $time)
+    public function isFresh(TemplateReferenceInterface $template, int $time)
     {
         foreach ($this->loaders as $loader) {
             return $loader->isFresh($template, $time);
diff --git a/src/Symfony/Component/Templating/Loader/FilesystemLoader.php b/src/Symfony/Component/Templating/Loader/FilesystemLoader.php
index 016018cf1b..66aa3ca77f 100644
--- a/src/Symfony/Component/Templating/Loader/FilesystemLoader.php
+++ b/src/Symfony/Component/Templating/Loader/FilesystemLoader.php
@@ -78,12 +78,11 @@ class FilesystemLoader extends Loader
     /**
      * Returns true if the template is still fresh.
      *
-     * @param TemplateReferenceInterface $template A template
-     * @param int                        $time     The last modification time of the cached template (timestamp)
+     * @param int $time The last modification time of the cached template (timestamp)
      *
      * @return bool true if the template is still fresh, false otherwise
      */
-    public function isFresh(TemplateReferenceInterface $template, $time)
+    public function isFresh(TemplateReferenceInterface $template, int $time)
     {
         if (false === $storage = $this->load($template)) {
             return false;
@@ -95,11 +94,9 @@ class FilesystemLoader extends Loader
     /**
      * Returns true if the file is an existing absolute path.
      *
-     * @param string $file A path
-     *
      * @return bool true if the path exists and is absolute, false otherwise
      */
-    protected static function isAbsolutePath($file)
+    protected static function isAbsolutePath(string $file)
     {
         if ('/' == $file[0] || '\\' == $file[0]
             || (\strlen($file) > 3 && ctype_alpha($file[0])
diff --git a/src/Symfony/Component/Templating/Loader/LoaderInterface.php b/src/Symfony/Component/Templating/Loader/LoaderInterface.php
index 0deb231bc0..487fc49d7f 100644
--- a/src/Symfony/Component/Templating/Loader/LoaderInterface.php
+++ b/src/Symfony/Component/Templating/Loader/LoaderInterface.php
@@ -31,10 +31,9 @@ interface LoaderInterface
     /**
      * Returns true if the template is still fresh.
      *
-     * @param TemplateReferenceInterface $template A template
-     * @param int                        $time     The last modification time of the cached template (timestamp)
+     * @param int $time The last modification time of the cached template (timestamp)
      *
      * @return bool
      */
-    public function isFresh(TemplateReferenceInterface $template, $time);
+    public function isFresh(TemplateReferenceInterface $template, int $time);
 }
diff --git a/src/Symfony/Component/Templating/PhpEngine.php b/src/Symfony/Component/Templating/PhpEngine.php
index 9da98266b9..4442deded4 100644
--- a/src/Symfony/Component/Templating/PhpEngine.php
+++ b/src/Symfony/Component/Templating/PhpEngine.php
@@ -43,9 +43,7 @@ class PhpEngine implements EngineInterface, \ArrayAccess
     private $evalParameters;
 
     /**
-     * @param TemplateNameParserInterface $parser  A TemplateNameParserInterface instance
-     * @param LoaderInterface             $loader  A loader instance
-     * @param HelperInterface[]           $helpers An array of helper instances
+     * @param HelperInterface[] $helpers An array of helper instances
      */
     public function __construct(TemplateNameParserInterface $parser, LoaderInterface $loader, array $helpers = [])
     {
@@ -120,9 +118,6 @@ class PhpEngine implements EngineInterface, \ArrayAccess
     /**
      * Evaluates a template.
      *
-     * @param Storage $template   The template to render
-     * @param array   $parameters An array of parameters to pass to the template
-     *
      * @return string|false The evaluated template, or false if the engine is unable to render the template
      *
      * @throws \InvalidArgumentException
@@ -241,11 +236,8 @@ class PhpEngine implements EngineInterface, \ArrayAccess
 
     /**
      * Sets a helper.
-     *
-     * @param HelperInterface $helper The helper instance
-     * @param string          $alias  An alias
      */
-    public function set(HelperInterface $helper, $alias = null)
+    public function set(HelperInterface $helper, string $alias = null)
     {
         $this->helpers[$helper->getName()] = $helper;
         if (null !== $alias) {
@@ -258,11 +250,9 @@ class PhpEngine implements EngineInterface, \ArrayAccess
     /**
      * Returns true if the helper if defined.
      *
-     * @param string $name The helper name
-     *
      * @return bool true if the helper is defined, false otherwise
      */
-    public function has($name)
+    public function has(string $name)
     {
         return isset($this->helpers[$name]);
     }
@@ -270,13 +260,11 @@ class PhpEngine implements EngineInterface, \ArrayAccess
     /**
      * Gets a helper value.
      *
-     * @param string $name The helper name
-     *
      * @return HelperInterface The helper instance
      *
      * @throws \InvalidArgumentException if the helper is not defined
      */
-    public function get($name)
+    public function get(string $name)
     {
         if (!isset($this->helpers[$name])) {
             throw new \InvalidArgumentException(sprintf('The helper "%s" is not defined.', $name));
@@ -290,7 +278,7 @@ class PhpEngine implements EngineInterface, \ArrayAccess
      *
      * @param string $template The decorator logical name
      */
-    public function extend($template)
+    public function extend(string $template)
     {
         $this->parents[$this->current] = $template;
     }
@@ -298,12 +286,11 @@ class PhpEngine implements EngineInterface, \ArrayAccess
     /**
      * Escapes a string by using the current charset.
      *
-     * @param mixed  $value   A variable to escape
-     * @param string $context The context name
+     * @param mixed $value A variable to escape
      *
      * @return string The escaped value
      */
-    public function escape($value, $context = 'html')
+    public function escape($value, string $context = 'html')
     {
         if (is_numeric($value)) {
             return $value;
@@ -324,10 +311,8 @@ class PhpEngine implements EngineInterface, \ArrayAccess
 
     /**
      * Sets the charset to use.
-     *
-     * @param string $charset The charset
      */
-    public function setCharset($charset)
+    public function setCharset(string $charset)
     {
         if ('UTF8' === $charset = strtoupper($charset)) {
             $charset = 'UTF-8'; // iconv on Windows requires "UTF-8" instead of "UTF8"
@@ -351,11 +336,8 @@ class PhpEngine implements EngineInterface, \ArrayAccess
 
     /**
      * Adds an escaper for the given context.
-     *
-     * @param string   $context The escaper context (html, js, ...)
-     * @param callable $escaper A PHP callable
      */
-    public function setEscaper($context, callable $escaper)
+    public function setEscaper(string $context, callable $escaper)
     {
         $this->escapers[$context] = $escaper;
         self::$escaperCache[$context] = [];
@@ -364,13 +346,11 @@ class PhpEngine implements EngineInterface, \ArrayAccess
     /**
      * Gets an escaper for a given context.
      *
-     * @param string $context The context name
-     *
      * @return callable A PHP callable
      *
      * @throws \InvalidArgumentException
      */
-    public function getEscaper($context)
+    public function getEscaper(string $context)
     {
         if (!isset($this->escapers[$context])) {
             throw new \InvalidArgumentException(sprintf('No registered escaper for context "%s".', $context));
@@ -380,10 +360,9 @@ class PhpEngine implements EngineInterface, \ArrayAccess
     }
 
     /**
-     * @param string $name
-     * @param mixed  $value
+     * @param mixed $value
      */
-    public function addGlobal($name, $value)
+    public function addGlobal(string $name, $value)
     {
         $this->globals[$name] = $value;
     }
diff --git a/src/Symfony/Component/Templating/TemplateReference.php b/src/Symfony/Component/Templating/TemplateReference.php
index ddff4db857..ab370b2c29 100644
--- a/src/Symfony/Component/Templating/TemplateReference.php
+++ b/src/Symfony/Component/Templating/TemplateReference.php
@@ -39,7 +39,7 @@ class TemplateReference implements TemplateReferenceInterface
     /**
      * {@inheritdoc}
      */
-    public function set($name, $value)
+    public function set(string $name, string $value)
     {
         if (\array_key_exists($name, $this->parameters)) {
             $this->parameters[$name] = $value;
@@ -53,7 +53,7 @@ class TemplateReference implements TemplateReferenceInterface
     /**
      * {@inheritdoc}
      */
-    public function get($name)
+    public function get(string $name)
     {
         if (\array_key_exists($name, $this->parameters)) {
             return $this->parameters[$name];
diff --git a/src/Symfony/Component/Templating/TemplateReferenceInterface.php b/src/Symfony/Component/Templating/TemplateReferenceInterface.php
index 45d9421f6b..7f23fafae0 100644
--- a/src/Symfony/Component/Templating/TemplateReferenceInterface.php
+++ b/src/Symfony/Component/Templating/TemplateReferenceInterface.php
@@ -28,25 +28,20 @@ interface TemplateReferenceInterface
     /**
      * Sets a template parameter.
      *
-     * @param string $name  The parameter name
-     * @param string $value The parameter value
-     *
      * @return $this
      *
      * @throws \InvalidArgumentException if the parameter name is not supported
      */
-    public function set($name, $value);
+    public function set(string $name, string $value);
 
     /**
      * Gets a template parameter.
      *
-     * @param string $name The parameter name
-     *
      * @return string The parameter value
      *
      * @throws \InvalidArgumentException if the parameter name is not supported
      */
-    public function get($name);
+    public function get(string $name);
 
     /**
      * Returns the path to the template.
diff --git a/src/Symfony/Component/Templating/Tests/Loader/CacheLoaderTest.php b/src/Symfony/Component/Templating/Tests/Loader/CacheLoaderTest.php
index e66d62398a..dfe1c328c4 100644
--- a/src/Symfony/Component/Templating/Tests/Loader/CacheLoaderTest.php
+++ b/src/Symfony/Component/Templating/Tests/Loader/CacheLoaderTest.php
@@ -87,7 +87,7 @@ class ProjectTemplateLoaderVar extends Loader
         return false;
     }
 
-    public function isFresh(TemplateReferenceInterface $template, $time)
+    public function isFresh(TemplateReferenceInterface $template, int $time)
     {
         return false;
     }
diff --git a/src/Symfony/Component/Templating/Tests/Loader/LoaderTest.php b/src/Symfony/Component/Templating/Tests/Loader/LoaderTest.php
index da8c04caa4..f9af71ee7a 100644
--- a/src/Symfony/Component/Templating/Tests/Loader/LoaderTest.php
+++ b/src/Symfony/Component/Templating/Tests/Loader/LoaderTest.php
@@ -42,7 +42,7 @@ class ProjectTemplateLoader4 extends Loader
         return $this->debugger;
     }
 
-    public function isFresh(TemplateReferenceInterface $template, $time)
+    public function isFresh(TemplateReferenceInterface $template, int $time)
     {
         return false;
     }
diff --git a/src/Symfony/Component/Templating/Tests/PhpEngineTest.php b/src/Symfony/Component/Templating/Tests/PhpEngineTest.php
index 5b62100035..4c7e747e6e 100644
--- a/src/Symfony/Component/Templating/Tests/PhpEngineTest.php
+++ b/src/Symfony/Component/Templating/Tests/PhpEngineTest.php
@@ -219,7 +219,7 @@ class ProjectTemplateLoader extends Loader
         return false;
     }
 
-    public function isFresh(TemplateReferenceInterface $template, $time)
+    public function isFresh(TemplateReferenceInterface $template, int $time)
     {
         return false;
     }