diff --git a/src/Composer/Command/RequireCommand.php b/src/Composer/Command/RequireCommand.php
index 78d7f326f..0ff6b82fa 100644
--- a/src/Composer/Command/RequireCommand.php
+++ b/src/Composer/Command/RequireCommand.php
@@ -20,8 +20,6 @@ use Composer\Factory;
 use Composer\Installer;
 use Composer\Json\JsonFile;
 use Composer\Json\JsonManipulator;
-use Composer\Json\JsonValidationException;
-use Composer\Util\RemoteFilesystem;
 
 /**
  * @author Jérémy Romey <jeremy@free-agent.fr>
@@ -54,10 +52,12 @@ EOT
 
         if (!file_exists($file)) {
             $output->writeln('<error>'.$file.' not found.</error>');
+
             return 1;
         }
         if (!is_readable($file)) {
             $output->writeln('<error>'.$file.' is not readable.</error>');
+
             return 1;
         }
 
diff --git a/src/Composer/Installer.php b/src/Composer/Installer.php
index ae32d9651..e8924756b 100644
--- a/src/Composer/Installer.php
+++ b/src/Composer/Installer.php
@@ -473,9 +473,9 @@ class Installer
      * update whitelist themselves.
      *
      * @param RepositoryInterface $localRepo
-     * @param boolean $devMode
-     * @param array $rootRequires An array of links to packages in require of the root package
-     * @param array $rootDevRequires An array of links to packages in require-dev of the root package
+     * @param boolean             $devMode
+     * @param array               $rootRequires    An array of links to packages in require of the root package
+     * @param array               $rootDevRequires An array of links to packages in require-dev of the root package
      */
     private function whitelistUpdateDependencies($localRepo, $devMode, array $rootRequires, array $rootDevRequires)
     {
diff --git a/src/Composer/Json/JsonManipulator.php b/src/Composer/Json/JsonManipulator.php
index 59413aaac..8dc9e398c 100644
--- a/src/Composer/Json/JsonManipulator.php
+++ b/src/Composer/Json/JsonManipulator.php
@@ -104,6 +104,7 @@ class JsonManipulator
             foreach ($data as $key => $val) {
                 $elems[] = $this->indent . $this->indent . JsonFile::encode($key). ': '.$this->format($val);
             }
+
             return $out . implode(','.$this->newline, $elems) . $this->newline . $this->indent . '}';
         }