diff --git a/res/composer-schema.json b/res/composer-schema.json
index bfd9b830f..2ff405f1e 100644
--- a/res/composer-schema.json
+++ b/res/composer-schema.json
@@ -678,9 +678,7 @@
                         { "$ref": "#/definitions/inline-package" },
                         {
                             "type": "array",
-                            "items": {
-                                "type": { "$ref": "#/definitions/inline-package" }
-                            }
+                            "items": { "$ref": "#/definitions/inline-package" }
                         }
                     ]
                 }
diff --git a/src/Composer/Installer.php b/src/Composer/Installer.php
index 0d842bb53..c60b707d6 100644
--- a/src/Composer/Installer.php
+++ b/src/Composer/Installer.php
@@ -17,6 +17,7 @@ use Composer\DependencyResolver\DefaultPolicy;
 use Composer\DependencyResolver\Operation\UpdateOperation;
 use Composer\DependencyResolver\Operation\InstallOperation;
 use Composer\DependencyResolver\Operation\UninstallOperation;
+use Composer\DependencyResolver\Operation\MarkAliasUninstalledOperation;
 use Composer\DependencyResolver\Operation\OperationInterface;
 use Composer\DependencyResolver\PolicyInterface;
 use Composer\DependencyResolver\Pool;
@@ -716,6 +717,10 @@ class Installer
         foreach ($devPackages as $pkg) {
             $packagesToSkip[$pkg->getName()] = true;
             if ($installedDevPkg = $localRepo->findPackage($pkg->getName(), '*')) {
+                if ($installedDevPkg instanceof AliasPackage) {
+                    $finalOps[] = new MarkAliasUninstalledOperation($installedDevPkg, 'non-dev install removing it');
+                    $installedDevPkg = $installedDevPkg->getAliasOf();
+                }
                 $finalOps[] = new UninstallOperation($installedDevPkg, 'non-dev install removing it');
             }
         }
diff --git a/src/Composer/Repository/ArrayRepository.php b/src/Composer/Repository/ArrayRepository.php
index 7a4251084..4f0409a60 100644
--- a/src/Composer/Repository/ArrayRepository.php
+++ b/src/Composer/Repository/ArrayRepository.php
@@ -167,13 +167,6 @@ class ArrayRepository extends BaseRepository
     {
         $packageId = $package->getUniqueName();
 
-        if ($package instanceof AliasPackage) {
-            $aliasedPackage = $package->getAliasOf();
-            if ($this === $aliasedPackage->getRepository()) {
-                $this->removePackage($aliasedPackage);
-            }
-        }
-
         foreach ($this->getPackages() as $key => $repoPackage) {
             if ($packageId === $repoPackage->getUniqueName()) {
                 array_splice($this->packages, $key, 1);
diff --git a/tests/Composer/Test/Repository/ArrayRepositoryTest.php b/tests/Composer/Test/Repository/ArrayRepositoryTest.php
index 5927325ee..bd19b979c 100644
--- a/tests/Composer/Test/Repository/ArrayRepositoryTest.php
+++ b/tests/Composer/Test/Repository/ArrayRepositoryTest.php
@@ -68,7 +68,7 @@ class ArrayRepositoryTest extends TestCase
         $this->assertEquals('bar', $bar[0]->getName());
     }
 
-    public function testAutomaticallyAddAndRemoveAliasedPackage()
+    public function testAutomaticallyAddAliasedPackageButNotRemove()
     {
         $repo = new ArrayRepository();
 
@@ -83,7 +83,7 @@ class ArrayRepositoryTest extends TestCase
 
         $repo->removePackage($alias);
 
-        $this->assertCount(0, $repo);
+        $this->assertCount(1, $repo);
     }
 
     public function testSearch()