diff --git a/core/modules/umami_styleguide/src/Controller/UmamiStyleguideController.php b/core/modules/umami_styleguide/src/Controller/UmamiStyleguideController.php
deleted file mode 100644
index 3879486..0000000
--- a/core/modules/umami_styleguide/src/Controller/UmamiStyleguideController.php
+++ /dev/null
@@ -1,29 +0,0 @@
-<?php
-
-namespace Drupal\umami_styleguide\Controller;
-
-use Drupal\Core\Controller\ControllerBase;
-
-/**
- * The Umami Styleguide controller.
- */
-class UmamiStyleguideController extends ControllerBase {
-
-  public function __construct() {
-
-  }
-
-  /**
-   * Build styleguide page.
-   *
-   * @return array
-   *   Renderable array of styleguide items.
-   */
-  public function page() {
-    return [
-      '#title' => 'Umami styleguide',
-
-    ];
-  }
-
-}
diff --git a/core/modules/umami_styleguide/umami_styleguide.info.yml b/core/modules/umami_styleguide/umami_styleguide.info.yml
deleted file mode 100644
index 8a8a1cc..0000000
--- a/core/modules/umami_styleguide/umami_styleguide.info.yml
+++ /dev/null
@@ -1,6 +0,0 @@
-name: Umami styleguide
-type: module
-description: 'Generates a living style guide for Umami theme.'
-package: Core (Experimental)
-version: VERSION
-core: 8.x
diff --git a/core/modules/umami_styleguide/umami_styleguide.module b/core/modules/umami_styleguide/umami_styleguide.module
deleted file mode 100644
index 389fffd..0000000
--- a/core/modules/umami_styleguide/umami_styleguide.module
+++ /dev/null
@@ -1,6 +0,0 @@
-<?php
-
-/**
- * @file
- * The Umami Styleguide module.
- */
diff --git a/core/modules/umami_styleguide/umami_styleguide.routing.yml b/core/modules/umami_styleguide/umami_styleguide.routing.yml
deleted file mode 100644
index d82709a..0000000
--- a/core/modules/umami_styleguide/umami_styleguide.routing.yml
+++ /dev/null
@@ -1,8 +0,0 @@
-umami_styleguide.page:
-  path: /admin/appearance/umami-styleguide
-  defaults:
-    _controller: Drupal\umami_styleguide\Controller\UmamiStyleguideController::page
-  requirements:
-    _permission: 'access content' # @todo Add a permission.
-  options:
-    _admin_route: FALSE