diff --git a/src/layouts/hass-subpage.js b/src/layouts/hass-subpage.js
deleted file mode 100644
index 692a3a50b0..0000000000
--- a/src/layouts/hass-subpage.js
+++ /dev/null
@@ -1,41 +0,0 @@
-import "@polymer/app-layout/app-header-layout/app-header-layout";
-import "@polymer/app-layout/app-header/app-header";
-import "@polymer/app-layout/app-toolbar/app-toolbar";
-import "@polymer/paper-icon-button/paper-icon-button";
-import { html } from "@polymer/polymer/lib/utils/html-tag";
-import { PolymerElement } from "@polymer/polymer/polymer-element";
-
-import "../components/ha-paper-icon-button-arrow-prev";
-
-class HassSubpage extends PolymerElement {
-  static get template() {
-    return html`
-      <style include="ha-style"></style>
-      <app-header-layout has-scrolling-region="">
-        <app-header slot="header" fixed="">
-          <app-toolbar>
-            <ha-paper-icon-button-arrow-prev
-              on-click="_backTapped"
-            ></ha-paper-icon-button-arrow-prev>
-            <div main-title="">[[header]]</div>
-            <slot name="toolbar-icon"></slot>
-          </app-toolbar>
-        </app-header>
-
-        <slot></slot>
-      </app-header-layout>
-    `;
-  }
-
-  static get properties() {
-    return {
-      header: String,
-    };
-  }
-
-  _backTapped() {
-    history.back();
-  }
-}
-
-customElements.define("hass-subpage", HassSubpage);