diff --git a/mod/folder/classes/privacy/provider.php b/mod/folder/classes/privacy/provider.php
new file mode 100644
index 0000000000000..7ed91f3349918
--- /dev/null
+++ b/mod/folder/classes/privacy/provider.php
@@ -0,0 +1,44 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Privacy Subsystem implementation for mod_folder.
+ *
+ * @package    mod_folder
+ * @copyright  2018 Zig Tan <zig@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+namespace mod_folder\privacy;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * The mod_folder module does not store any data.
+ *
+ * @copyright  2018 Zig Tan <zig@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class provider implements \core_privacy\local\metadata\null_provider {
+    /**
+     * Get the language string identifier with the component's language
+     * file to explain why this plugin stores no data.
+     *
+     * @return  string
+     */
+    public static function get_reason() : string {
+        return 'privacy:metadata';
+    }
+}
diff --git a/mod/folder/lang/en/folder.php b/mod/folder/lang/en/folder.php
index 773a3c7f67ac1..fd8139cb47319 100644
--- a/mod/folder/lang/en/folder.php
+++ b/mod/folder/lang/en/folder.php
@@ -49,6 +49,7 @@
 $string['newfoldercontent'] = 'New folder content';
 $string['page-mod-folder-x'] = 'Any folder module page';
 $string['page-mod-folder-view'] = 'Folder module main page';
+$string['privacy:metadata'] = 'The mod_folder plugin does not store any personal data.';
 $string['pluginadministration'] = 'Folder administration';
 $string['pluginname'] = 'Folder';
 $string['display'] = 'Display folder contents';