diff --git a/src/Symfony/Bridge/PhpUnit/bin/simple-phpunit.php b/src/Symfony/Bridge/PhpUnit/bin/simple-phpunit.php
index a9dcfd50ba..ef853efa48 100644
--- a/src/Symfony/Bridge/PhpUnit/bin/simple-phpunit.php
+++ b/src/Symfony/Bridge/PhpUnit/bin/simple-phpunit.php
@@ -141,7 +141,9 @@ if (!file_exists("$PHPUNIT_DIR/$PHPUNIT_VERSION_DIR/phpunit") || $configurationH
         $passthruOrFail("$COMPOSER require --no-update phpunit/phpunit-mock-objects \"~3.1.0\"");
     }
 
-    $passthruOrFail("$COMPOSER config --unset platform");
+    if (PHP_VERSION_ID >= 70000) {
+        $passthruOrFail("$COMPOSER config --unset platform");
+    }
     if (file_exists($path = $root.'/vendor/symfony/phpunit-bridge')) {
         $passthruOrFail("$COMPOSER require --no-update symfony/phpunit-bridge \"*@dev\"");
         $passthruOrFail("$COMPOSER config repositories.phpunit-bridge path ".escapeshellarg(str_replace('/', DIRECTORY_SEPARATOR, $path)));
diff --git a/src/Symfony/Component/Cache/DataCollector/CacheDataCollector.php b/src/Symfony/Component/Cache/DataCollector/CacheDataCollector.php
index 363b887b79..a96dc3ab85 100644
--- a/src/Symfony/Component/Cache/DataCollector/CacheDataCollector.php
+++ b/src/Symfony/Component/Cache/DataCollector/CacheDataCollector.php
@@ -61,7 +61,7 @@ class CacheDataCollector extends DataCollector implements LateDataCollectorInter
 
     public function lateCollect()
     {
-        $this->data = $this->cloneVar($this->data);
+        $this->data['instances']['calls'] = $this->cloneVar($this->data['instances']['calls']);
     }
 
     /**