diff --git a/src/Composer/Command/GlobalCommand.php b/src/Composer/Command/GlobalCommand.php
index f03a2f04b..0ddfc4ede 100644
--- a/src/Composer/Command/GlobalCommand.php
+++ b/src/Composer/Command/GlobalCommand.php
@@ -12,7 +12,6 @@
 
 namespace Composer\Command;
 
-use Composer\Installer;
 use Composer\Factory;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputArgument;
diff --git a/src/Composer/Command/LicensesCommand.php b/src/Composer/Command/LicensesCommand.php
index a927156c4..861b889a0 100644
--- a/src/Composer/Command/LicensesCommand.php
+++ b/src/Composer/Command/LicensesCommand.php
@@ -12,14 +12,12 @@
 
 namespace Composer\Command;
 
-use Composer\Package\PackageInterface;
 use Composer\Json\JsonFile;
 use Composer\Package\Version\VersionParser;
 use Composer\Plugin\CommandEvent;
 use Composer\Plugin\PluginEvents;
 use Symfony\Component\Console\Helper\TableHelper;
 use Symfony\Component\Console\Input\InputInterface;
-use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 
diff --git a/src/Composer/Command/ShowCommand.php b/src/Composer/Command/ShowCommand.php
index 92f883226..97e315a5b 100644
--- a/src/Composer/Command/ShowCommand.php
+++ b/src/Composer/Command/ShowCommand.php
@@ -12,7 +12,6 @@
 
 namespace Composer\Command;
 
-use Composer\Composer;
 use Composer\DependencyResolver\Pool;
 use Composer\DependencyResolver\DefaultPolicy;
 use Composer\Factory;
diff --git a/src/Composer/Command/StatusCommand.php b/src/Composer/Command/StatusCommand.php
index 5edf3b61e..a125bdd3c 100644
--- a/src/Composer/Command/StatusCommand.php
+++ b/src/Composer/Command/StatusCommand.php
@@ -16,7 +16,6 @@ use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 use Composer\Downloader\ChangeReportInterface;
-use Composer\Downloader\VcsDownloader;
 use Composer\Plugin\CommandEvent;
 use Composer\Plugin\PluginEvents;
 use Composer\Script\ScriptEvents;
diff --git a/src/Composer/Factory.php b/src/Composer/Factory.php
index d0eaf9371..6875bbc4f 100644
--- a/src/Composer/Factory.php
+++ b/src/Composer/Factory.php
@@ -16,7 +16,6 @@ use Composer\Config\JsonConfigSource;
 use Composer\Json\JsonFile;
 use Composer\IO\IOInterface;
 use Composer\Package\Archiver;
-use Composer\Repository\ComposerRepository;
 use Composer\Repository\RepositoryManager;
 use Composer\Repository\RepositoryInterface;
 use Composer\Util\ProcessExecutor;
diff --git a/src/Composer/IO/BaseIO.php b/src/Composer/IO/BaseIO.php
index a9cae3b49..29cae4f07 100644
--- a/src/Composer/IO/BaseIO.php
+++ b/src/Composer/IO/BaseIO.php
@@ -12,9 +12,6 @@
 
 namespace Composer\IO;
 
-use Symfony\Component\Console\Input\InputInterface;
-use Symfony\Component\Console\Output\OutputInterface;
-use Symfony\Component\Console\Helper\HelperSet;
 use Composer\Config;
 
 abstract class BaseIO implements IOInterface
diff --git a/src/Composer/Installer/LibraryInstaller.php b/src/Composer/Installer/LibraryInstaller.php
index c883120f4..2e6fe8843 100644
--- a/src/Composer/Installer/LibraryInstaller.php
+++ b/src/Composer/Installer/LibraryInstaller.php
@@ -14,7 +14,6 @@ namespace Composer\Installer;
 
 use Composer\Composer;
 use Composer\IO\IOInterface;
-use Composer\Downloader\DownloadManager;
 use Composer\Repository\InstalledRepositoryInterface;
 use Composer\Package\PackageInterface;
 use Composer\Util\Filesystem;
diff --git a/src/Composer/Json/JsonFile.php b/src/Composer/Json/JsonFile.php
index 155f17e6e..70b97b18d 100644
--- a/src/Composer/Json/JsonFile.php
+++ b/src/Composer/Json/JsonFile.php
@@ -12,7 +12,6 @@
 
 namespace Composer\Json;
 
-use Composer\Composer;
 use JsonSchema\Validator;
 use Seld\JsonLint\JsonParser;
 use Seld\JsonLint\ParsingException;
diff --git a/src/Composer/Package/Dumper/ArrayDumper.php b/src/Composer/Package/Dumper/ArrayDumper.php
index bca932d71..be94adec4 100644
--- a/src/Composer/Package/Dumper/ArrayDumper.php
+++ b/src/Composer/Package/Dumper/ArrayDumper.php
@@ -16,7 +16,6 @@ use Composer\Package\BasePackage;
 use Composer\Package\PackageInterface;
 use Composer\Package\CompletePackageInterface;
 use Composer\Package\RootPackageInterface;
-use Composer\Package\Link;
 
 /**
  * @author Konstantin Kudryashiv <ever.zet@gmail.com>
diff --git a/src/Composer/Plugin/CommandEvent.php b/src/Composer/Plugin/CommandEvent.php
index ac2ad2551..0f75bed9e 100644
--- a/src/Composer/Plugin/CommandEvent.php
+++ b/src/Composer/Plugin/CommandEvent.php
@@ -12,7 +12,6 @@
 
 namespace Composer\Plugin;
 
-use Composer\IO\IOInterface;
 use Composer\EventDispatcher\Event;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
diff --git a/src/Composer/Plugin/PreFileDownloadEvent.php b/src/Composer/Plugin/PreFileDownloadEvent.php
index 847477e10..38ea2620a 100644
--- a/src/Composer/Plugin/PreFileDownloadEvent.php
+++ b/src/Composer/Plugin/PreFileDownloadEvent.php
@@ -12,8 +12,6 @@
 
 namespace Composer\Plugin;
 
-use Composer\Composer;
-use Composer\IO\IOInterface;
 use Composer\EventDispatcher\Event;
 use Composer\Util\RemoteFilesystem;
 
diff --git a/src/Composer/Repository/Vcs/GitHubDriver.php b/src/Composer/Repository/Vcs/GitHubDriver.php
index 5efc82629..6345fa473 100644
--- a/src/Composer/Repository/Vcs/GitHubDriver.php
+++ b/src/Composer/Repository/Vcs/GitHubDriver.php
@@ -16,7 +16,6 @@ use Composer\Downloader\TransportException;
 use Composer\Json\JsonFile;
 use Composer\Cache;
 use Composer\IO\IOInterface;
-use Composer\Util\RemoteFilesystem;
 use Composer\Util\GitHub;
 
 /**
diff --git a/src/Composer/Script/CommandEvent.php b/src/Composer/Script/CommandEvent.php
index 5d8f732c9..48ea2246a 100644
--- a/src/Composer/Script/CommandEvent.php
+++ b/src/Composer/Script/CommandEvent.php
@@ -12,8 +12,6 @@
 
 namespace Composer\Script;
 
-use Composer\Composer;
-
 /**
  * The Command Event.
  *
diff --git a/src/Composer/Util/Git.php b/src/Composer/Util/Git.php
index 7df6b1d95..4b6fcd6f2 100644
--- a/src/Composer/Util/Git.php
+++ b/src/Composer/Util/Git.php
@@ -12,8 +12,6 @@
 
 namespace Composer\Util;
 
-use Composer\IO\IOInterface;
-
 /**
  * @author Jordi Boggiano <j.boggiano@seld.be>
  */