diff --git i/drush/markdown.drush.inc w/drush/markdown.drush.inc
deleted file mode 100644
index 2e56a09..0000000
--- i/drush/markdown.drush.inc
+++ /dev/null
@@ -1,118 +0,0 @@
-<?php
-
-/**
- * @file
- *   drush integration for markdown filter.
- */
-
-/**
- * The Markdown plugin URI.
- */
-define('PHP_MARKDOWN_EXTRA_DOWNLOAD_URI', 'https://github.com/michelf/php-markdown/archive/lib.zip');
-define('PHP_MARKDOWN_EXTRA_DIR_NAME', 'php-markdown-lib');
-
-/**
- * Implementation of hook_drush_command().
- *
- * In this hook, you specify which commands your
- * drush module makes available, what it does and
- * description.
- *
- * Notice how this structure closely resembles how
- * you define menu hooks.
- *
- * See `drush topic docs-commands` for a list of recognized keys.
- *
- * @return
- *   An associative array describing your command(s).
- */
-function markdown_drush_command() {
-  $items = [];
-
-  // the key in the $items array is the name of the command.
-  $items['markdown-plugin'] = [
-    'callback' => 'drush_markdown_plugin',
-    'description' => dt('Download and install a selection of Markdown plugins.'),
-    'bootstrap' => DRUSH_BOOTSTRAP_DRUSH, // No bootstrap.
-    'arguments' => [
-      'path' => dt('Optional. A path where to install the Markdown plugin. If omitted Drush will use the default location.'),
-    ],
-    'aliases' => ['markdownplugin'],
-  ];
-
-  return $items;
-}
-
-/**
- * Implementation of hook_drush_help().
- *
- * This function is called whenever a drush user calls
- * 'drush help <name-of-your-command>'
- *
- * @param
- *   A string with the help section (prepend with 'drush:')
- *
- * @return
- *   A string with the help text for your command.
- */
-function markdown_drush_help($section) {
-  switch ($section) {
-    case 'drush:markdown-plugin':
-      return dt('Download and install a selection of Markdown plugins, default location is the libraries directory.');
-  }
-}
-
-/**
- * Command to download the Markdown plugin.
- */
-function drush_markdown_plugin() {
-  $args = func_get_args();
-  if (!empty($args[0])) {
-    $path = $args[0];
-  }
-  else {
-    $path = 'libraries';
-  }
-
-  // Create the path if it does not exist.
-  if (!is_dir($path)) {
-    drush_op('mkdir', $path);
-    drush_log(dt('Directory @path was created', ['@path' => $path]), 'notice');
-  }
-
-  // Set the directory to the download location.
-  $olddir = getcwd();
-  chdir($path);
-
-  // Download the zip archive
-  if ($filepath = drush_download_file(PHP_MARKDOWN_EXTRA_DOWNLOAD_URI)) {
-    $filename = basename($filepath);
-    $dirname = PHP_MARKDOWN_EXTRA_DIR_NAME;
-
-    // Remove any existing Markdown plugin directory
-    if (is_dir($dirname) || is_dir('markdown')) {
-      drush_delete_dir($dirname, TRUE);
-      drush_delete_dir('markdown', TRUE);
-      drush_log(dt('A existing Markdown plugin was deleted from @path', ['@path' => $path]), 'notice');
-    }
-
-    // Decompress the zip archive
-    drush_tarball_extract($filename);
-
-    // Change the directory name to "php-markdown" if needed.
-    if ($dirname != 'php-markdown') {
-      drush_move_dir($dirname, 'php-markdown', TRUE);
-      $dirname = 'php-markdown';
-    }
-  }
-
-  if (is_dir($dirname)) {
-    drush_log(dt('Markdown plugin has been installed in @path', ['@path' => $path]), 'success');
-  }
-  else {
-    drush_log(dt('Drush was unable to install the Markdown plugin to @path', ['@path' => $path]), 'error');
-  }
-
-  // Set working directory back to the previous working directory.
-  chdir($olddir);
-}