diff --git a/src/entrypoints/app.js b/src/entrypoints/app.js
index 280e0e2b9e..588db464b8 100644
--- a/src/entrypoints/app.js
+++ b/src/entrypoints/app.js
@@ -22,7 +22,7 @@ import '../managers/notification-manager.js';
 import '../resources/ha-style.js';
 import '../resources/html-import/polyfill.js';
 import '../util/ha-pref-storage.js';
-import '../util/hass-translation.js';
+import { getActiveTranslation, getTranslation } from '../util/hass-translation.js';
 import '../util/legacy-support';
 import '../util/roboto.js';
 import hassCallApi from '../util/hass-call-api.js';
@@ -108,7 +108,7 @@ class HomeAssistant extends PolymerElement {
   }
 
   loadResources(fragment) {
-    window.getTranslation(fragment).then((result) => {
+    getTranslation(fragment).then((result) => {
       this._updateResources(result.language, result.data);
     });
   }
@@ -167,7 +167,7 @@ class HomeAssistant extends PolymerElement {
       themes: null,
       panelUrl: this.panelUrl,
 
-      language: window.getActiveTranslation(),
+      language: getActiveTranslation(),
       // If resources are already loaded, don't discard them
       resources: (this.hass && this.hass.resources) || null,
 
diff --git a/src/util/hass-translation.js b/src/util/hass-translation.js
index e95ce5d675..ea86d4f910 100644
--- a/src/util/hass-translation.js
+++ b/src/util/hass-translation.js
@@ -1,6 +1,6 @@
 import translationMetadata from '../../build-translations/translationMetadata.json';
 
-window.getActiveTranslation = function () {
+export function getActiveTranslation() {
   // Perform case-insenstive comparison since browser isn't required to
   // report languages with specific cases.
   const lookup = {};
@@ -58,18 +58,18 @@ window.getActiveTranslation = function () {
 
   // Final fallback
   return 'en';
-};
+}
 
 // Store loaded translations in memory so translations are available immediately
 // when DOM is created in Polymer. Even a cache lookup creates noticeable latency.
 const translations = {};
 
-window.getTranslation = function (fragment, translationInput) {
+export function getTranslation(fragment, translationInput) {
   const translation = translationInput || getActiveTranslation();
   const metadata = translationMetadata.translations[translation];
   if (!metadata) {
     if (translationInput !== 'en') {
-      return window.getTranslation(fragment, 'en');
+      return getTranslation(fragment, 'en');
     }
     return Promise.reject(new Error('Language en not found in metadata'));
   }
@@ -89,14 +89,14 @@ window.getTranslation = function (fragment, translationInput) {
           delete translations[translationFingerprint];
           if (translationInput !== 'en') {
             // Couldn't load selected translation. Try a fall back to en before failing.
-            return window.getTranslation(fragment, 'en');
+            return getTranslation(fragment, 'en');
           }
           return Promise.reject(error);
         });
   }
   return translations[translationFingerprint];
-};
+}
 
 // Load selected translation into memory immediately so it is ready when Polymer
 // initializes.
-window.getTranslation();
+getTranslation();