diff --git a/.github/copilot-instructions.md b/.github/copilot-instructions.md
index 2913b3f..1ecd69d 100644
--- a/.github/copilot-instructions.md
+++ b/.github/copilot-instructions.md
@@ -512,7 +512,6 @@ it("Should connect to API with demo credentials", async () => {
 - `admin/` - Admin UI configuration (JSON Config) and translations
 - `lib/` - Shared libraries and utilities
   - `lib/stateAttr.js` - State attribute definitions for meter readings
-  - `lib/tools.js` - Utility functions including translation tools
   - `lib/adapter-config.d.ts` - TypeScript definitions for adapter config
 - `test/` - Test files (package, integration, unit, mocha setup)
 - `.github/workflows/` - CI/CD configuration (test-and-release.yml)
diff --git a/admin/i18n/de/translations.json b/admin/i18n/de/translations.json
index bd144ed..50e0e44 100644
--- a/admin/i18n/de/translations.json
+++ b/admin/i18n/de/translations.json
@@ -1,5 +1,6 @@
 {
     "Password": "Kennwort",
+    "Seconds between data polling": "Sekunden zwischen den Datenabfragen",
     "Username": "Benutzername",
     "Your Discovergy Username": "Ihr Discovergy-Benutzername",
     "discovergy adapter settings": "Adaptereinstellungen für discovergy",
diff --git a/admin/i18n/es/translations.json b/admin/i18n/es/translations.json
index 23a4ec2..112afa2 100644
--- a/admin/i18n/es/translations.json
+++ b/admin/i18n/es/translations.json
@@ -1,5 +1,6 @@
 {
     "Password": "La opción 2 no es",
+    "Seconds between data polling": "Segundos entre sondeos de datos",
     "Username": "La opción 1 es genial",
     "Your Discovergy Username": "Su nombre de usuario de Discovergy",
     "discovergy adapter settings": "Ajustes del adaptador para discovergy",
diff --git a/admin/i18n/fr/translations.json b/admin/i18n/fr/translations.json
index cd7b38f..e22de9b 100644
--- a/admin/i18n/fr/translations.json
+++ b/admin/i18n/fr/translations.json
@@ -1,5 +1,6 @@
 {
     "Password": "L'option 2 n'est pas",
+    "Seconds between data polling": "Secondes entre les interrogations de données",
     "Username": "L'option 1 est cool",
     "Your Discovergy Username": "Votre nom d'utilisateur Discovergy",
     "discovergy adapter settings": "Paramètres d'adaptateur pour discovergy",
diff --git a/admin/i18n/it/translations.json b/admin/i18n/it/translations.json
index 52a94f5..b4a91dd 100644
--- a/admin/i18n/it/translations.json
+++ b/admin/i18n/it/translations.json
@@ -1,5 +1,6 @@
 {
     "Password": "L'opzione 2 no",
+    "Seconds between data polling": "Secondi tra i polling dei dati",
     "Username": "L'opzione 1 è cool",
     "Your Discovergy Username": "Il tuo nome utente Discovergy",
     "discovergy adapter settings": "Impostazioni dell'adattatore per discovergy",
diff --git a/admin/i18n/nl/translations.json b/admin/i18n/nl/translations.json
index cf98913..b6e4f16 100644
--- a/admin/i18n/nl/translations.json
+++ b/admin/i18n/nl/translations.json
@@ -1,5 +1,6 @@
 {
     "Password": "Optie 2 is dat niet",
+    "Seconds between data polling": "Seconden tussen het ophalen van gegevens",
     "Username": "Optie 1 is cool",
     "Your Discovergy Username": "Uw Discoverygy-gebruikersnaam",
     "discovergy adapter settings": "Adapterinstellingen voor discovergy",
diff --git a/admin/i18n/pl/translations.json b/admin/i18n/pl/translations.json
index d6eff9b..fbcd389 100644
--- a/admin/i18n/pl/translations.json
+++ b/admin/i18n/pl/translations.json
@@ -1,5 +1,6 @@
 {
     "Password": "Opcja 2 nie jest",
+    "Seconds between data polling": "Sekundy między odpytywaniem danych",
     "Username": "Opcja 1 jest fajna",
     "Your Discovergy Username": "Twoja nazwa użytkownika Discovery",
     "discovergy adapter settings": "Ustawienia adaptera dla discovergy",
diff --git a/admin/i18n/pt/translations.json b/admin/i18n/pt/translations.json
index b8ae410..0e00f5f 100644
--- a/admin/i18n/pt/translations.json
+++ b/admin/i18n/pt/translations.json
@@ -1,5 +1,6 @@
 {
     "Password": "A opção 2 não é",
+    "Seconds between data polling": "Segundos entre as consultas de dados",
     "Username": "Opção 1 é legal",
     "Your Discovergy Username": "Seu nome de usuário do Discovergy",
     "discovergy adapter settings": "Configurações do adaptador para discovergy",
diff --git a/admin/i18n/ru/translations.json b/admin/i18n/ru/translations.json
index e89a1af..edde9fe 100644
--- a/admin/i18n/ru/translations.json
+++ b/admin/i18n/ru/translations.json
@@ -1,5 +1,6 @@
 {
     "Password": "Вариант 2 не",
+    "Seconds between data polling": "Секунды между опросами данных",
     "Username": "Вариант 1 - это круто",
     "Your Discovergy Username": "Ваше имя пользователя Discovery",
     "discovergy adapter settings": "Настройки адаптера для discovergy",
diff --git a/admin/i18n/uk/translations.json b/admin/i18n/uk/translations.json
index a1adef5..5cfb5aa 100644
--- a/admin/i18n/uk/translations.json
+++ b/admin/i18n/uk/translations.json
@@ -1,5 +1,6 @@
 {
     "Password": "Пароль",
+    "Seconds between data polling": "Секунди між опитуваннями даних",
     "Username": "Ім'я користувача",
     "Your Discovergy Username": "Ваше ім'я користувача Discovergy",
     "discovergy adapter settings": "Налаштування адаптера discovergy",
diff --git a/admin/i18n/zh-cn/translations.json b/admin/i18n/zh-cn/translations.json
index 3820bf7..4c40276 100644
--- a/admin/i18n/zh-cn/translations.json
+++ b/admin/i18n/zh-cn/translations.json
@@ -1,5 +1,6 @@
 {
     "Password": "密码",
+    "Seconds between data polling": "数据轮询间隔秒数",
     "Username": "用户名",
     "Your Discovergy Username": "您的发现用户名",
     "discovergy adapter settings": "用于发现的适配器设置",
diff --git a/lib/tools.js b/lib/tools.js
deleted file mode 100644
index 9b8ae7b..0000000
--- a/lib/tools.js
+++ /dev/null
@@ -1,121 +0,0 @@
-// Native fetch is available in Node.js 18+
-
-/**
- * Tests whether the given variable is a real object and not an Array
- *
- * @param {any} it The variable to test
- * @returns {it is Record<string, any>}
- */
-function isObject(it) {
-    // This is necessary because:
-    // typeof null === 'object'
-    // typeof [] === 'object'
-    // [] instanceof Object === true
-    return Object.prototype.toString.call(it) === '[object Object]';
-}
-
-/**
- * Tests whether the given variable is really an Array
- *
- * @param {any} it The variable to test
- * @returns {it is any[]}
- */
-function isArray(it) {
-    if (typeof Array.isArray === 'function') {
-        return Array.isArray(it);
-    }
-    return Object.prototype.toString.call(it) === '[object Array]';
-}
-
-/**
- * Translates text to the target language. Automatically chooses the right translation API.
- *
- * @param {string} text The text to translate
- * @param {string} targetLang The target languate
- * @param {string} [yandexApiKey] The yandex API key. You can create one for free at https://translate.yandex.com/developers
- * @returns {Promise<string>}
- */
-async function translateText(text, targetLang, yandexApiKey) {
-    if (targetLang === 'en') {
-        return text;
-    }
-    if (yandexApiKey) {
-        return await translateYandex(text, targetLang, yandexApiKey);
-    }
-    return await translateGoogle(text, targetLang);
-}
-
-/**
- * Translates text with Yandex API
- *
- * @param {string} text The text to translate
- * @param {string} targetLang The target languate
- * @param {string} [apiKey] The yandex API key. You can create one for free at https://translate.yandex.com/developers
- * @returns {Promise<string>}
- */
-async function translateYandex(text, targetLang, apiKey) {
-    if (targetLang === 'zh-cn') {
-        targetLang = 'zh';
-    }
-    try {
-        const url = `https://translate.yandex.net/api/v1.5/tr.json/translate?key=${apiKey}&text=${encodeURIComponent(text)}&lang=en-${targetLang}`;
-        const controller = new AbortController();
-        const timeoutId = setTimeout(() => controller.abort(), 15000);
-
-        const response = await fetch(url, {
-            signal: controller.signal,
-        });
-        clearTimeout(timeoutId);
-
-        if (!response.ok) {
-            throw new Error(`HTTP error! status: ${response.status}`);
-        }
-
-        const data = await response.json();
-        if (data && data['text']) {
-            return data['text'][0];
-        }
-        throw new Error('Invalid response for translate request');
-    } catch (e) {
-        throw new Error(`Could not translate to "${targetLang}": ${e}`);
-    }
-}
-
-/**
- * Translates text with Google API
- *
- * @param {string} text The text to translate
- * @param {string} targetLang The target languate
- * @returns {Promise<string>}
- */
-async function translateGoogle(text, targetLang) {
-    try {
-        const url = `http://translate.googleapis.com/translate_a/single?client=gtx&sl=en&tl=${targetLang}&dt=t&q=${encodeURIComponent(text)}&ie=UTF-8&oe=UTF-8`;
-        const controller = new AbortController();
-        const timeoutId = setTimeout(() => controller.abort(), 15000);
-
-        const response = await fetch(url, {
-            signal: controller.signal,
-        });
-        clearTimeout(timeoutId);
-
-        if (!response.ok) {
-            throw new Error(`HTTP error! status: ${response.status}`);
-        }
-
-        const data = await response.json();
-        if (isArray(data)) {
-            // we got a valid response
-            return data[0][0][0];
-        }
-        throw new Error('Invalid response for translate request');
-    } catch (e) {
-        throw new Error(`Could not translate to "${targetLang}": ${e}`);
-    }
-}
-
-module.exports = {
-    isArray,
-    isObject,
-    translateText,
-};
diff --git a/main.js b/main.js
index f793cab..da80925 100644
--- a/main.js
+++ b/main.js
@@ -201,9 +201,9 @@ class Discovergy extends utils.Adapter {
 
         // New data polling at intervall time
         if (timer) {
-            clearTimeout(timer);
+            this.clearTimeout(timer);
         }
-        timer = setTimeout(() => {
+        timer = this.setTimeout(() => {
             this.dataPolling();
         }, settings.intervall);
     }
@@ -455,7 +455,7 @@ class Discovergy extends utils.Adapter {
             this.setState('info.connection', false, true);
             this.log.info('cleaned everything up...');
             if (timer) {
-                clearTimeout(timer);
+                this.clearTimeout(timer);
                 timer = null;
             }
             callback();