diff --git a/.htaccess b/.htaccess
index a9f711bc41..87af61c989 100644
--- a/.htaccess
+++ b/.htaccess
@@ -30,7 +30,6 @@ RewriteRule ^courses/([^/]+)/scorm/(.*)$ main/document/download_scorm.php?doc_ur
 # Rewrite everything in the document folder of a course to the download script
 # Except certificate resources, which might need to be accessible publicly to all
 RewriteRule ^courses/([^/]+)/document/certificates/(.*)$ app/courses/$1/document/certificates/$2 [QSA,L]
-#RewriteRule ^courses/([^/]+)/document/(.*)$ main/document/download.php?doc_url=/$2&cDir=$1 [QSA,L]
 RewriteRule ^courses/([^/]+)/document/(.*)$ public/courses.php?courseCode=$1&url=$2 [L,NC]
 
 # Optimize load of custom per-course icons in courses (avoid download_uploaded_files.php)
diff --git a/main/document/download.php b/main/document/download.php
deleted file mode 100755
index ad863a1a37..0000000000
--- a/main/document/download.php
+++ /dev/null
@@ -1,123 +0,0 @@
-<?php
-/* For licensing terms, see /license.txt */
-/**
- * This file is responsible for passing requested documents to the browser.
- * Many functions updated and moved to lib/document.lib.php.
- *
- * @package chamilo.document
- */
-session_cache_limiter('none');
-
-require_once __DIR__.'/../inc/global.inc.php';
-$this_section = SECTION_COURSES;
-
-// Protection
-api_protect_course_script();
-
-$_course = api_get_course_info();
-
-if (!isset($_course)) {
-    api_not_allowed(true);
-}
-
-$doc_url = $_GET['doc_url'];
-// Change the '&' that got rewritten to '///' by mod_rewrite back to '&'
-$doc_url = str_replace('///', '&', $doc_url);
-// Still a space present? it must be a '+' (that got replaced by mod_rewrite)
-$doc_url = str_replace(' ', '+', $doc_url);
-
-$docUrlParts = preg_split('/\/|\\\/', $doc_url);
-$doc_url = '';
-
-foreach ($docUrlParts as $docUrlPart) {
-    if (empty($docUrlPart) || in_array($docUrlPart, ['.', '..', '0'])) {
-        continue;
-    }
-
-    $doc_url .= '/'.$docUrlPart;
-}
-
-if (empty($doc_url)) {
-    api_not_allowed(
-        !empty($_GET['origin']) && $_GET['origin'] === 'learnpath'
-    );
-}
-
-// Dealing with image included into survey: when users receive a link towards a
-// survey while not being authenticated on the platform.
-// The administrator should probably be able to disable this code through admin
-// inteface.
-$refer_script = isset($_SERVER["HTTP_REFERER"]) ? strrchr($_SERVER["HTTP_REFERER"], '/') : null;
-
-$sys_course_path = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document';
-
-if (substr($refer_script, 0, 15) == '/fillsurvey.php') {
-    $invitation = substr(strstr($refer_script, 'invitationcode='), 15);
-    $course = strstr($refer_script, 'course=');
-    $course = substr($course, 7, strpos($course, '&') - 7);
-    include '../survey/survey.download.inc.php';
-    $_course = check_download_survey($course, $invitation, $doc_url);
-    $_course['path'] = $_course['directory'];
-} else {
-    // If the rewrite rule asks for a directory, we redirect to the document explorer
-    if (is_dir($sys_course_path.$doc_url)) {
-        // Remove last slash if present
-        // mod_rewrite can change /some/path/ to /some/path// in some cases, so clean them all off (René)
-        while ($doc_url[$dul = strlen($doc_url) - 1] == '/') {
-            $doc_url = substr($doc_url, 0, $dul);
-        }
-        // Group folder?
-        $gid_req = ($_GET['gidReq']) ? '&gidReq='.intval($_GET['gidReq']) : '';
-        // Create the path
-        $document_explorer = api_get_path(WEB_CODE_PATH).'document/document.php?curdirpath='.urlencode($doc_url).'&'.api_get_cidreq_params(Security::remove_XSS($_GET['cidReq'], 0, $gid_req));
-        // Redirect
-        header('Location: '.$document_explorer);
-        exit;
-    }
-}
-
-//Fixes swf upload problem in chamilo 1.8.x. When uploading a file with
-//the character "-" the filename was changed from "-" to "_" in the DB for no reason
-$path_info = pathinfo($doc_url);
-
-$fix_file_name = false;
-if (isset($path_info['extension']) && $path_info['extension'] == 'swf') {
-    $fixed_url = str_replace('-', '_', $doc_url);
-    $doc_id = DocumentManager::get_document_id(api_get_course_info(), $doc_url);
-    if (!$doc_id) {
-        $doc_id = DocumentManager::get_document_id(api_get_course_info(), $doc_url, '0');
-        if (!$doc_id) {
-            $fix_file_name = true;
-        }
-    }
-}
-
-if (Security::check_abs_path($sys_course_path.$doc_url, $sys_course_path.'/')) {
-    $fullFileName = $sys_course_path.$doc_url;
-    if ($fix_file_name) {
-        $doc_url = $fixed_url;
-    }
-    // Check visibility of document and paths
-    $is_visible = DocumentManager::is_visible($doc_url, $_course, api_get_session_id());
-
-    //Document's slideshow thumbnails
-    //correct $is_visible used in below and ??. Now the students can view the thumbnails too
-    if (preg_match('/\.thumbs\/\./', $doc_url)) {
-        $doc_url_thumbs = str_replace('.thumbs/.', '', $doc_url);
-        $is_visible = DocumentManager::is_visible($doc_url_thumbs, $_course, api_get_session_id());
-    }
-
-    if (!api_is_allowed_to_edit() && !$is_visible) {
-        echo Display::return_message(get_lang('Protected Document'), 'error'); //api_not_allowed backbutton won't work.
-        exit; // You shouldn't be here anyway.
-    }
-    // Launch event
-    Event::event_download($doc_url);
-    $download = !empty($_GET['dl']) ? true : false;
-
-    $result = DocumentManager::file_send_for_download($fullFileName, $download);
-    if ($result === false) {
-        api_not_allowed(true);
-    }
-}
-exit;
diff --git a/src/Kernel.php b/src/Kernel.php
index edb5c42ac1..88af6c9669 100644
--- a/src/Kernel.php
+++ b/src/Kernel.php
@@ -28,14 +28,6 @@ class Kernel extends BaseKernel
         return $this->getProjectDir().'/var/cache/'.$this->environment;
     }
 
-    /**
-     * @return string
-     */
-    public function getResourceCacheDir()
-    {
-        return $this->getProjectDir().'/var/cache/resource/';
-    }
-
     /**
      * @return string
      */