diff --git a/src/Composer/Factory.php b/src/Composer/Factory.php
index a68586fbb..e1c4cf95c 100644
--- a/src/Composer/Factory.php
+++ b/src/Composer/Factory.php
@@ -390,7 +390,7 @@ class Factory
                 ? substr($composerFile, 0, -4).'lock'
                 : $composerFile . '.lock';
 
-            $locker = new Package\Locker($io, new JsonFile($lockFile, null, $io), $rm, $im, file_get_contents($composerFile));
+            $locker = new Package\Locker($io, new JsonFile($lockFile, null, $io), $im, file_get_contents($composerFile));
             $composer->setLocker($locker);
         }
 
diff --git a/src/Composer/Package/Locker.php b/src/Composer/Package/Locker.php
index 93e5ca655..e86115bfb 100644
--- a/src/Composer/Package/Locker.php
+++ b/src/Composer/Package/Locker.php
@@ -32,7 +32,6 @@ use Seld\JsonLint\ParsingException;
 class Locker
 {
     private $lockFile;
-    private $repositoryManager;
     private $installationManager;
     private $hash;
     private $contentHash;
@@ -46,14 +45,12 @@ class Locker
      *
      * @param IOInterface         $io
      * @param JsonFile            $lockFile             lockfile loader
-     * @param RepositoryManager   $repositoryManager    repository manager instance
      * @param InstallationManager $installationManager  installation manager instance
      * @param string              $composerFileContents The contents of the composer file
      */
-    public function __construct(IOInterface $io, JsonFile $lockFile, RepositoryManager $repositoryManager, InstallationManager $installationManager, $composerFileContents)
+    public function __construct(IOInterface $io, JsonFile $lockFile, InstallationManager $installationManager, $composerFileContents)
     {
         $this->lockFile = $lockFile;
-        $this->repositoryManager = $repositoryManager;
         $this->installationManager = $installationManager;
         $this->hash = md5($composerFileContents);
         $this->contentHash = self::getContentHash($composerFileContents);
diff --git a/tests/Composer/Test/InstallerTest.php b/tests/Composer/Test/InstallerTest.php
index 468d8fbbd..fe17f2959 100644
--- a/tests/Composer/Test/InstallerTest.php
+++ b/tests/Composer/Test/InstallerTest.php
@@ -198,7 +198,7 @@ class InstallerTest extends TestCase
         }
 
         $contents = json_encode($composerConfig);
-        $locker = new Locker($io, $lockJsonMock, $repositoryManager, $composer->getInstallationManager(), $contents);
+        $locker = new Locker($io, $lockJsonMock, $composer->getInstallationManager(), $contents);
         $composer->setLocker($locker);
 
         $eventDispatcher = $this->getMockBuilder('Composer\EventDispatcher\EventDispatcher')->disableOriginalConstructor()->getMock();
diff --git a/tests/Composer/Test/Package/LockerTest.php b/tests/Composer/Test/Package/LockerTest.php
index a37e09907..63fbf4a1b 100644
--- a/tests/Composer/Test/Package/LockerTest.php
+++ b/tests/Composer/Test/Package/LockerTest.php
@@ -21,7 +21,7 @@ class LockerTest extends TestCase
     public function testIsLocked()
     {
         $json = $this->createJsonFileMock();
-        $locker = new Locker(new NullIO, $json, $this->createRepositoryManagerMock(), $this->createInstallationManagerMock(),
+        $locker = new Locker(new NullIO, $json, $this->createInstallationManagerMock(),
             $this->getJsonContent());
 
         $json
@@ -39,10 +39,9 @@ class LockerTest extends TestCase
     public function testGetNotLockedPackages()
     {
         $json = $this->createJsonFileMock();
-        $repo = $this->createRepositoryManagerMock();
         $inst = $this->createInstallationManagerMock();
 
-        $locker = new Locker(new NullIO, $json, $repo, $inst, $this->getJsonContent());
+        $locker = new Locker(new NullIO, $json, $inst, $this->getJsonContent());
 
         $json
             ->expects($this->once())
@@ -57,10 +56,9 @@ class LockerTest extends TestCase
     public function testGetLockedPackages()
     {
         $json = $this->createJsonFileMock();
-        $repo = $this->createRepositoryManagerMock();
         $inst = $this->createInstallationManagerMock();
 
-        $locker = new Locker(new NullIO, $json, $repo, $inst, $this->getJsonContent());
+        $locker = new Locker(new NullIO, $json, $inst, $this->getJsonContent());
 
         $json
             ->expects($this->once())
@@ -84,11 +82,10 @@ class LockerTest extends TestCase
     public function testSetLockData()
     {
         $json = $this->createJsonFileMock();
-        $repo = $this->createRepositoryManagerMock();
         $inst = $this->createInstallationManagerMock();
 
         $jsonContent = $this->getJsonContent() . '  ';
-        $locker = new Locker(new NullIO, $json, $repo, $inst, $jsonContent);
+        $locker = new Locker(new NullIO, $json, $inst, $jsonContent);
 
         $package1 = $this->createPackageMock();
         $package2 = $this->createPackageMock();
@@ -157,10 +154,9 @@ class LockerTest extends TestCase
     public function testLockBadPackages()
     {
         $json = $this->createJsonFileMock();
-        $repo = $this->createRepositoryManagerMock();
         $inst = $this->createInstallationManagerMock();
 
-        $locker = new Locker(new NullIO, $json, $repo, $inst, $this->getJsonContent());
+        $locker = new Locker(new NullIO, $json, $inst, $this->getJsonContent());
 
         $package1 = $this->createPackageMock();
         $package1
@@ -176,11 +172,10 @@ class LockerTest extends TestCase
     public function testIsFresh()
     {
         $json = $this->createJsonFileMock();
-        $repo = $this->createRepositoryManagerMock();
         $inst = $this->createInstallationManagerMock();
 
         $jsonContent = $this->getJsonContent();
-        $locker = new Locker(new NullIO, $json, $repo, $inst, $jsonContent);
+        $locker = new Locker(new NullIO, $json, $inst, $jsonContent);
 
         $json
             ->expects($this->once())
@@ -193,10 +188,9 @@ class LockerTest extends TestCase
     public function testIsFreshFalse()
     {
         $json = $this->createJsonFileMock();
-        $repo = $this->createRepositoryManagerMock();
         $inst = $this->createInstallationManagerMock();
 
-        $locker = new Locker(new NullIO, $json, $repo, $inst, $this->getJsonContent());
+        $locker = new Locker(new NullIO, $json, $inst, $this->getJsonContent());
 
         $json
             ->expects($this->once())
@@ -209,11 +203,10 @@ class LockerTest extends TestCase
     public function testIsFreshWithContentHash()
     {
         $json = $this->createJsonFileMock();
-        $repo = $this->createRepositoryManagerMock();
         $inst = $this->createInstallationManagerMock();
 
         $jsonContent = $this->getJsonContent();
-        $locker = new Locker(new NullIO, $json, $repo, $inst, $jsonContent);
+        $locker = new Locker(new NullIO, $json, $inst, $jsonContent);
 
         $json
             ->expects($this->once())
@@ -226,11 +219,10 @@ class LockerTest extends TestCase
     public function testIsFreshWithContentHashAndNoHash()
     {
         $json = $this->createJsonFileMock();
-        $repo = $this->createRepositoryManagerMock();
         $inst = $this->createInstallationManagerMock();
 
         $jsonContent = $this->getJsonContent();
-        $locker = new Locker(new NullIO, $json, $repo, $inst, $jsonContent);
+        $locker = new Locker(new NullIO, $json, $inst, $jsonContent);
 
         $json
             ->expects($this->once())
@@ -243,10 +235,9 @@ class LockerTest extends TestCase
     public function testIsFreshFalseWithContentHash()
     {
         $json = $this->createJsonFileMock();
-        $repo = $this->createRepositoryManagerMock();
         $inst = $this->createInstallationManagerMock();
 
-        $locker = new Locker(new NullIO, $json, $repo, $inst, $this->getJsonContent());
+        $locker = new Locker(new NullIO, $json, $inst, $this->getJsonContent());
 
         $differentHash = md5($this->getJsonContent(array('name' => 'test2')));
 
@@ -264,20 +255,7 @@ class LockerTest extends TestCase
             ->disableOriginalConstructor()
             ->getMock();
     }
-
-    private function createRepositoryManagerMock()
-    {
-        $mock = $this->getMockBuilder('Composer\Repository\RepositoryManager')
-            ->disableOriginalConstructor()
-            ->getMock();
-
-        $mock->expects($this->any())
-            ->method('getLocalRepository')
-            ->will($this->returnValue($this->getMockBuilder('Composer\Repository\ArrayRepository')->getMock()));
-
-        return $mock;
-    }
-
+    
     private function createInstallationManagerMock()
     {
         $mock = $this->getMockBuilder('Composer\Installer\InstallationManager')