diff --git a/package.json b/package.json
index c2c1ee8..938fe86 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,6 @@
   "dependencies": {
     "bootstrap": "^5.3.2",
     "classnames": "^2.5.1",
-    "dotenv": "^16.4.4",
     "electron-squirrel-startup": "^1.0.0",
     "electron-store": "^8.1.0",
     "env-paths": "^3.0.0",
diff --git a/src/component/Connection/ConnectionForm.tsx b/src/component/Connection/ConnectionForm.tsx
index 7ccf6a9..7db62ca 100644
--- a/src/component/Connection/ConnectionForm.tsx
+++ b/src/component/Connection/ConnectionForm.tsx
@@ -20,12 +20,10 @@ class ConnectionForm extends PureComponent<
     this.state = {
       name: '',
       save: true,
-      host: window.env.TIANA__DEBUG_DB_HOST || 'localhost',
-      port: window.env.TIANA__DEBUG_DB_PORT
-        ? parseInt(window.env.TIANA__DEBUG_DB_PORT, 10)
-        : 3306,
-      user: window.env.TIANA__DEBUG_DB_USER || '',
-      password: window.env.TIANA__DEBUG_DB_PASSWORD || '',
+      host: 'localhost',
+      port: 3306,
+      user: '',
+      password: '',
     };
 
     this.handleInputChange = this.handleInputChange.bind(this);
diff --git a/src/main.ts b/src/main.ts
index 95f19ff..3c626af 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -6,8 +6,6 @@ import installExtension, {
 import connectionStackInstance from './sql';
 import { readConfigurationFile, addConnectionToConfig } from './configuration';
 
-require('dotenv').config({ path: '../.env' });
-
 // Handle creating/removing shortcuts on Windows when installing/uninstalling.
 if (require('electron-squirrel-startup')) {
   app.quit();
diff --git a/src/preload.ts b/src/preload.ts
index 7d7d961..93274d4 100644
--- a/src/preload.ts
+++ b/src/preload.ts
@@ -6,18 +6,6 @@ import { ConnectionObject } from './component/Connection';
 import { Configuration } from './configuration';
 import { contextBridge, ipcRenderer } from 'electron';
 
-// === environment variables ===
-type TianaString = string; // maybe `TIANA__${string}` is TS 5 ?
-type TianaEnvVariables = Record<string, TianaString>;
-
-const fpEnvVariables: TianaEnvVariables = Object.fromEntries(
-  Object.entries(process.env).filter((entry): entry is [TianaString, string] =>
-    entry[0].startsWith('TIANA__')
-  )
-);
-
-contextBridge.exposeInMainWorld('env', fpEnvVariables);
-
 // === Configuration ===
 interface Config {
   readConfigurationFile(): Promise<null | Configuration>;
@@ -53,7 +41,6 @@ contextBridge.exposeInMainWorld('sql', sql);
 // Declare window global that have been added
 declare global {
   interface Window {
-    env: TianaEnvVariables;
     config: Config;
     sql: Sql;
   }
diff --git a/yarn.lock b/yarn.lock
index 1d38faa..30bd047 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1969,11 +1969,6 @@ dot-prop@^6.0.1:
   dependencies:
     is-obj "^2.0.0"
 
-dotenv@^16.4.4:
-  version "16.4.4"
-  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-16.4.4.tgz#a26e7bb95ebd36272ebb56edb80b826aecf224c1"
-  integrity sha512-XvPXc8XAQThSjAbY6cQ/9PcBXmFoWuw1sQ3b8HqUCR6ziGXjkTi//kB9SWa2UwqlgdAIuRqAa/9hVljzPehbYg==
-
 ee-first@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"