diff --git a/src/Symfony/Bundle/FrameworkBundle/Test/KernelShutdownOnTearDownTrait.php b/src/Symfony/Bundle/FrameworkBundle/Test/KernelShutdownOnTearDownTrait.php
index b01dbb0494..217c2ae457 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Test/KernelShutdownOnTearDownTrait.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Test/KernelShutdownOnTearDownTrait.php
@@ -16,9 +16,6 @@ use PHPUnit\Framework\TestCase;
 // Auto-adapt to PHPUnit 8 that added a `void` return-type to the tearDown method
 
 if (method_exists(\ReflectionMethod::class, 'hasReturnType') && (new \ReflectionMethod(TestCase::class, 'tearDown'))->hasReturnType()) {
-    eval('
-    namespace Symfony\Bundle\FrameworkBundle\Test;
-
     /**
      * @internal
      */
@@ -29,7 +26,6 @@ if (method_exists(\ReflectionMethod::class, 'hasReturnType') && (new \Reflection
             static::ensureKernelShutdown();
         }
     }
-');
 } else {
     /**
      * @internal
diff --git a/src/Symfony/Component/HttpFoundation/Request.php b/src/Symfony/Component/HttpFoundation/Request.php
index 355bf59548..7f44aab1d5 100644
--- a/src/Symfony/Component/HttpFoundation/Request.php
+++ b/src/Symfony/Component/HttpFoundation/Request.php
@@ -617,81 +617,6 @@ class Request
     }
 
     /**
-<<<<<<< HEAD
-=======
-     * Sets the name for trusted headers.
-     *
-     * The following header keys are supported:
-     *
-     *  * Request::HEADER_CLIENT_IP:    defaults to X-Forwarded-For   (see getClientIp())
-     *  * Request::HEADER_CLIENT_HOST:  defaults to X-Forwarded-Host  (see getHost())
-     *  * Request::HEADER_CLIENT_PORT:  defaults to X-Forwarded-Port  (see getPort())
-     *  * Request::HEADER_CLIENT_PROTO: defaults to X-Forwarded-Proto (see getScheme() and isSecure())
-     *  * Request::HEADER_FORWARDED:    defaults to Forwarded         (see RFC 7239)
-     *
-     * Setting an empty value allows to disable the trusted header for the given key.
-     *
-     * @param string $key   The header key
-     * @param string $value The header name
-     *
-     * @throws \InvalidArgumentException
-     *
-     * @deprecated since version 3.3, to be removed in 4.0. Use the $trustedHeaderSet argument of the Request::setTrustedProxies() method instead.
-     */
-    public static function setTrustedHeaderName($key, $value)
-    {
-        @trigger_error(sprintf('The "%s()" method is deprecated since Symfony 3.3 and will be removed in 4.0. Use the $trustedHeaderSet argument of the Request::setTrustedProxies() method instead.', __METHOD__), E_USER_DEPRECATED);
-
-        if ('forwarded' === $key) {
-            $key = self::HEADER_FORWARDED;
-        } elseif ('client_ip' === $key) {
-            $key = self::HEADER_CLIENT_IP;
-        } elseif ('client_host' === $key) {
-            $key = self::HEADER_CLIENT_HOST;
-        } elseif ('client_proto' === $key) {
-            $key = self::HEADER_CLIENT_PROTO;
-        } elseif ('client_port' === $key) {
-            $key = self::HEADER_CLIENT_PORT;
-        } elseif (!\array_key_exists($key, self::$trustedHeaders)) {
-            throw new \InvalidArgumentException(sprintf('Unable to set the trusted header name for key "%s".', $key));
-        }
-
-        self::$trustedHeaders[$key] = $value;
-
-        if (null !== $value) {
-            self::$trustedHeaderNames[$key] = $value;
-            self::$trustedHeaderSet |= $key;
-        } else {
-            self::$trustedHeaderSet &= ~$key;
-        }
-    }
-
-    /**
-     * Gets the trusted proxy header name.
-     *
-     * @param string $key The header key
-     *
-     * @return string The header name
-     *
-     * @throws \InvalidArgumentException
-     *
-     * @deprecated since version 3.3, to be removed in 4.0. Use the Request::getTrustedHeaderSet() method instead.
-     */
-    public static function getTrustedHeaderName($key)
-    {
-        if (2 > \func_num_args() || func_get_arg(1)) {
-            @trigger_error(sprintf('The "%s()" method is deprecated since Symfony 3.3 and will be removed in 4.0. Use the Request::getTrustedHeaderSet() method instead.', __METHOD__), E_USER_DEPRECATED);
-        }
-
-        if (!\array_key_exists($key, self::$trustedHeaders)) {
-            throw new \InvalidArgumentException(sprintf('Unable to get the trusted header name for key "%s".', $key));
-        }
-
-        return self::$trustedHeaders[$key];
-    }
-
-    /**
->>>>>>> 3.4
      * Normalizes a query string.
      *
      * It builds a normalized query string, where keys/value pairs are alphabetized,