diff --git a/src/Composer/Downloader/FileDownloader.php b/src/Composer/Downloader/FileDownloader.php
index 356934514..3e15acf80 100644
--- a/src/Composer/Downloader/FileDownloader.php
+++ b/src/Composer/Downloader/FileDownloader.php
@@ -64,7 +64,7 @@ class FileDownloader implements DownloaderInterface
 
         $fileName = $this->getFileName($package, $path);
 
-        $this->io->write("  - Package <info>" . $package->getName() . "</info> (<comment>" . $package->getPrettyVersion() . "</comment>)");
+        $this->io->write("  - Installing <info>" . $package->getName() . "</info> (<comment>" . $package->getPrettyVersion() . "</comment>)");
 
         $processUrl = $this->processUrl($url);
 
@@ -101,6 +101,7 @@ class FileDownloader implements DownloaderInterface
      */
     public function remove(PackageInterface $package, $path)
     {
+        $this->io->write("  - Removing <info>" . $package->getName() . "</info> (<comment>" . $package->getPrettyVersion() . "</comment>)");
         if (!$this->filesystem->removeDirectory($path)) {
             throw new \RuntimeException('Could not completely delete '.$path.', aborting.');
         }
diff --git a/src/Composer/Downloader/VcsDownloader.php b/src/Composer/Downloader/VcsDownloader.php
index 2d19bba40..cacc74fc4 100644
--- a/src/Composer/Downloader/VcsDownloader.php
+++ b/src/Composer/Downloader/VcsDownloader.php
@@ -50,7 +50,7 @@ abstract class VcsDownloader implements DownloaderInterface
             throw new \InvalidArgumentException('Package '.$package->getPrettyName().' is missing reference information');
         }
 
-        $this->io->write("  - Package <info>" . $package->getName() . "</info> (<comment>" . $package->getPrettyVersion() . "</comment>)");
+        $this->io->write("  - Installing <info>" . $package->getName() . "</info> (<comment>" . $package->getPrettyVersion() . "</comment>)");
         $this->filesystem->removeDirectory($path);
         $this->doDownload($package, $path);
         $this->io->write('');
@@ -65,7 +65,7 @@ abstract class VcsDownloader implements DownloaderInterface
             throw new \InvalidArgumentException('Package '.$target->getPrettyName().' is missing reference information');
         }
 
-        $this->io->write("  - Package <info>" . $target->getName() . "</info> (<comment>" . $target->getPrettyVersion() . "</comment>)");
+        $this->io->write("  - Installing <info>" . $target->getName() . "</info> (<comment>" . $target->getPrettyVersion() . "</comment>)");
         $this->enforceCleanDirectory($path);
         $this->doUpdate($initial, $target, $path);
         $this->io->write('');
@@ -77,6 +77,7 @@ abstract class VcsDownloader implements DownloaderInterface
     public function remove(PackageInterface $package, $path)
     {
         $this->enforceCleanDirectory($path);
+        $this->io->write("  - Removing <info>" . $package->getName() . "</info> (<comment>" . $package->getPrettyVersion() . "</comment>)");
         if (!$this->filesystem->removeDirectory($path)) {
             throw new \RuntimeException('Could not completely delete '.$path.', aborting.');
         }
diff --git a/src/Composer/Installer.php b/src/Composer/Installer.php
index 5819e3996..a6094d6e9 100644
--- a/src/Composer/Installer.php
+++ b/src/Composer/Installer.php
@@ -242,9 +242,11 @@ class Installer
             }
         }
 
-        // fix the version all installed packages that are not in the current local repo to prevent rogue updates
+        // fix the version of all installed packages (+ platform) that are not
+        // in the current local repo to prevent rogue updates (e.g. non-dev
+        // updating when in dev)
         foreach ($installedRepo->getPackages() as $package) {
-            if ($package->getRepository() === $localRepo || $package->getRepository() instanceof PlatformRepository) {
+            if ($package->getRepository() === $localRepo) {
                 continue;
             }
 
diff --git a/src/Composer/Installer/LibraryInstaller.php b/src/Composer/Installer/LibraryInstaller.php
index 0da923654..9be2e1d1d 100644
--- a/src/Composer/Installer/LibraryInstaller.php
+++ b/src/Composer/Installer/LibraryInstaller.php
@@ -127,6 +127,13 @@ class LibraryInstaller implements InstallerInterface
         $this->downloadManager->remove($package, $downloadPath);
         $this->removeBinaries($package);
         $repo->removePackage($package);
+
+        if (strpos($package->getName(), '/')) {
+            $packageVendorDir = dirname($downloadPath);
+            if (is_dir($packageVendorDir) && !glob($packageVendorDir.'/*')) {
+                @rmdir($packageVendorDir);
+            }
+        }
     }
 
     /**