diff --git a/core/lib/Drupal/Core/StreamWrapper/PhpStreamWrapperInterface.php b/core/lib/Drupal/Core/StreamWrapper/PhpStreamWrapperInterface.php
deleted file mode 100644
index 4cf41e08730afb3f423b712f05183b4b8ad926e2..0000000000000000000000000000000000000000
--- a/core/lib/Drupal/Core/StreamWrapper/PhpStreamWrapperInterface.php
+++ /dev/null
@@ -1,35 +0,0 @@
-<?php
-
-/**
- * @file
- * Definition of Drupal\Core\StreamWrapper\PhpStreamWrapperInterface.
- */
-
-namespace Drupal\Core\StreamWrapper;
-
-/**
- * Defines a generic PHP stream wrapper interface.
- *
- * @see http://www.php.net/manual/en/class.streamwrapper.php
- */
-interface PhpStreamWrapperInterface {
- public function stream_open($uri, $mode, $options, &$opened_url);
- public function stream_close();
- public function stream_lock($operation);
- public function stream_read($count);
- public function stream_write($data);
- public function stream_eof();
- public function stream_seek($offset, $whence);
- public function stream_flush();
- public function stream_tell();
- public function stream_stat();
- public function unlink($uri);
- public function rename($from_uri, $to_uri);
- public function mkdir($uri, $mode, $options);
- public function rmdir($uri, $options);
- public function url_stat($uri, $flags);
- public function dir_opendir($uri, $options);
- public function dir_readdir();
- public function dir_rewinddir();
- public function dir_closedir();
-}
diff --git a/core/lib/Drupal/Core/StreamWrapper/PrivateStream.php b/core/lib/Drupal/Core/StreamWrapper/PrivateStream.php
deleted file mode 100644
index 87316eb4f5f9784c9c05562a140c929a3cacf0b5..0000000000000000000000000000000000000000
--- a/core/lib/Drupal/Core/StreamWrapper/PrivateStream.php
+++ /dev/null
@@ -1,35 +0,0 @@
-<?php
-
-/**
- * @file
- * Definition of Drupal\Core\StreamWrapper\PrivateStream.
- */
-
-namespace Drupal\Core\StreamWrapper;
-
-/**
- * Drupal private (private://) stream wrapper class.
- *
- * Provides support for storing privately accessible files with the Drupal file
- * interface.
- */
-class PrivateStream extends LocalStream {
-
- /**
- * Implements Drupal\Core\StreamWrapper\LocalStream::getDirectoryPath()
- */
- public function getDirectoryPath() {
- return variable_get('file_private_path', '');
- }
-
- /**
- * Implements Drupal\Core\StreamWrapper\StreamWrapperInterface::getExternalUrl().
- *
- * @return string
- * Returns the HTML URI of a private file.
- */
- function getExternalUrl() {
- $path = str_replace('\\', '/', $this->getTarget());
- return url('system/files/' . $path, array('absolute' => TRUE));
- }
-}
diff --git a/core/lib/Drupal/Core/StreamWrapper/PublicStream.php b/core/lib/Drupal/Core/StreamWrapper/PublicStream.php
deleted file mode 100644
index 207b77a5b651eb16be752c917aa16333e94d9626..0000000000000000000000000000000000000000
--- a/core/lib/Drupal/Core/StreamWrapper/PublicStream.php
+++ /dev/null
@@ -1,35 +0,0 @@
-<?php
-
-/**
- * @file
- * Definition of Drupal\Core\StreamWrapper\PublicStream.
- */
-
-namespace Drupal\Core\StreamWrapper;
-
-/**
- * Defines a Drupal public (public://) stream wrapper class.
- *
- * Provides support for storing publicly accessible files with the Drupal file
- * interface.
- */
-class PublicStream extends LocalStream {
-
- /**
- * Implements Drupal\Core\StreamWrapper\LocalStream::getDirectoryPath()
- */
- public function getDirectoryPath() {
- return variable_get('file_public_path', conf_path() . '/files');
- }
-
- /**
- * Implements Drupal\Core\StreamWrapper\StreamWrapperInterface::getExternalUrl().
- *
- * @return string
- * Returns the HTML URI of a public file.
- */
- function getExternalUrl() {
- $path = str_replace('\\', '/', $this->getTarget());
- return $GLOBALS['base_url'] . '/' . self::getDirectoryPath() . '/' . drupal_encode_path($path);
- }
-}
diff --git a/core/lib/Drupal/Core/StreamWrapper/StreamWrapperInterface.php b/core/lib/Drupal/Core/StreamWrapper/StreamWrapperInterface.php
deleted file mode 100644
index 15ba2cf1b0744a7289fd561121ef3e298efbd639..0000000000000000000000000000000000000000
--- a/core/lib/Drupal/Core/StreamWrapper/StreamWrapperInterface.php
+++ /dev/null
@@ -1,125 +0,0 @@
-<?php
-
-/**
- * @file
- * Definition of Drupal\Core\StreamWrapper\StreamWrapperInterface.
- *
- * Provides a Drupal interface and classes to implement PHP stream wrappers for
- * public, private, and temporary files.
- *
- * A stream wrapper is an abstraction of a file system that allows Drupal to
- * use the same set of methods to access both local files and remote resources.
- *
- * Note that PHP 5.2 fopen() only supports URIs of the form "scheme://target"
- * despite the fact that according to RFC 3986 a URI's scheme component
- * delimiter is in general just ":", not "://". Because of this PHP limitation
- * and for consistency Drupal will only accept URIs of form "scheme://target".
- *
- * @see http://www.faqs.org/rfcs/rfc3986.html
- * @see http://bugs.php.net/bug.php?id=47070
- */
-
-namespace Drupal\Core\StreamWrapper;
-
-/**
- * Defines a Drupal stream wrapper extension.
- *
- * Extends the StreamWrapperInterface with methods expected by Drupal stream
- * wrapper classes.
- */
-interface StreamWrapperInterface extends PhpStreamWrapperInterface {
-
- /**
- * Sets the absolute stream resource URI.
- *
- * This allows you to set the URI. Generally is only called by the factory
- * method.
- *
- * @param string $uri
- * A string containing the URI that should be used for this instance.
- */
- function setUri($uri);
-
- /**
- * Returns the stream resource URI.
- *
- * @return string
- * Returns the current URI of the instance.
- */
- public function getUri();
-
- /**
- * Returns a web accessible URL for the resource.
- *
- * This function should return a URL that can be embedded in a web page
- * and accessed from a browser. For example, the external URL of
- * "youtube://xIpLd0WQKCY" might be
- * "http://www.youtube.com/watch?v=xIpLd0WQKCY".
- *
- * @return string
- * Returns a string containing a web accessible URL for the resource.
- */
- public function getExternalUrl();
-
- /**
- * Returns the MIME type of the resource.
- *
- * @param string $uri
- * The URI, path, or filename.
- * @param array $mapping
- * An optional map of extensions to their mimetypes, in the form:
- * - 'mimetypes': a list of mimetypes, keyed by an identifier,
- * - 'extensions': the mapping itself, an associative array in which
- * the key is the extension and the value is the mimetype identifier.
- *
- * @return string
- * Returns a string containing the MIME type of the resource.
- */
- public static function getMimeType($uri, $mapping = NULL);
-
- /**
- * Changes permissions of the resource.
- *
- * PHP lacks this functionality and it is not part of the official stream
- * wrapper interface. This is a custom implementation for Drupal.
- *
- * @param int $mode
- * Integer value for the permissions. Consult PHP chmod() documentation
- * for more information.
- *
- * @return bool
- * Returns TRUE on success or FALSE on failure.
- */
- public function chmod($mode);
-
- /**
- * Returns canonical, absolute path of the resource.
- *
- * Implementation placeholder. PHP's realpath() does not support stream
- * wrappers. We provide this as a default so that individual wrappers may
- * implement their own solutions.
- *
- * @return string
- * Returns a string with absolute pathname on success (implemented
- * by core wrappers), or FALSE on failure or if the registered
- * wrapper does not provide an implementation.
- */
- public function realpath();
-
- /**
- * Gets the name of the directory from a given path.
- *
- * This method is usually accessed through drupal_dirname(), which wraps
- * around the normal PHP dirname() function, which does not support stream
- * wrappers.
- *
- * @param string $uri
- * An optional URI.
- *
- * @return string
- * A string containing the directory name, or FALSE if not applicable.
- *
- * @see drupal_dirname()
- */
- public function dirname($uri = NULL);
-}
diff --git a/core/lib/Drupal/Core/StreamWrapper/TemporaryStream.php b/core/lib/Drupal/Core/StreamWrapper/TemporaryStream.php
deleted file mode 100644
index 52a63212ffcfb42d040a26149ea84383b9f57fe5..0000000000000000000000000000000000000000
--- a/core/lib/Drupal/Core/StreamWrapper/TemporaryStream.php
+++ /dev/null
@@ -1,32 +0,0 @@
-<?php
-
-/**
- * @file
- * Definition of Drupal\Core\StreamWrapper\TemporaryStream.
- */
-
-namespace Drupal\Core\StreamWrapper;
-
-/**
- * Defines a Drupal temporary (temporary://) stream wrapper class.
- *
- * Provides support for storing temporarily accessible files with the Drupal
- * file interface.
- */
-class TemporaryStream extends LocalStream {
-
- /**
- * Implements Drupal\Core\StreamWrapper\LocalStream::getDirectoryPath()
- */
- public function getDirectoryPath() {
- return variable_get('file_temporary_path', file_directory_temp());
- }
-
- /**
- * Implements Drupal\Core\StreamWrapper\StreamWrapperInterface::getExternalUrl().
- */
- public function getExternalUrl() {
- $path = str_replace('\\', '/', $this->getTarget());
- return url('system/temporary/' . $path, array('absolute' => TRUE));
- }
-}