diff --git a/README.md b/README.md
index 8a0fefba..89e14848 100644
--- a/README.md
+++ b/README.md
@@ -122,6 +122,17 @@ module.exports = {
 - `skipInitialization` <[boolean]>. Add you ability to skip first setup `playwright` process. Possible use cases can be found [here](https://github.com/playwright-community/jest-playwright/issues/424)
 - `useDefaultBrowserType` <[boolean]>. [Sometimes](https://github.com/microsoft/playwright/issues/2787) `browser` + `device` combinations don't have any sense. With this option tests will be run with [`defaultBrowserType`](https://github.com/microsoft/playwright/pull/3731) of device. Pay attention that you should define **devices** to correct usage of this option.
 
+### Usage of process environment to define browser
+
+You can control the browser with passing environment variable.
+
+```js
+// jest-playwright.config.js
+module.exports = {
+  browsers: [process.env.BROWSER],
+}
+```
+
 ### Specific browser options
 
 For `launchOptions`, `connectOptions` and `contextOptions` you can define special browser options.
@@ -185,11 +196,6 @@ module.exports = {
 }
 ```
 
-### Notes
-
-You can also specify browser with the `BROWSER` environment variable. You should do it only if you are using the whole playwright package.
-You can specify device with `DEVICE` environment variable.
-
 ## Globals
 
 - `browserName` <[string]> - name of the current browser (chromium, firefox or webkit)
@@ -519,11 +525,14 @@ It's important to not change the `testEnvironment` to `node`. Otherwise it won't
 
 ### Error reporting with Jest
 
-If you face into error messages like 
+If you face into error messages like
+
 ```
 UnhandledPromiseRejectionWarning: Error: Protocol error (Runtime.callFunctionOn): Target closed.
-``` 
+```
+
 or
+
 ```
 Timeout - Async callback was not invoked within the 20000ms timeout specified by jest.setTimeout.Timeout - Async callback was not invoked within the 20000ms timeout specified by jest.setTimeout.Error:
 ```
diff --git a/src/PlaywrightEnvironment.ts b/src/PlaywrightEnvironment.ts
index dbdc0d84..69d2e474 100644
--- a/src/PlaywrightEnvironment.ts
+++ b/src/PlaywrightEnvironment.ts
@@ -33,7 +33,6 @@ import {
   getBrowserOptions,
   getBrowserType,
   getDeviceBrowserType,
-  getDeviceType,
   getPlaywrightInstance,
 } from './utils'
 import { saveCoverageOnPage, saveCoverageToFile } from './coverage'
@@ -205,7 +204,7 @@ export const getPlaywrightEnv = (basicEnv = 'node'): unknown => {
         browserName,
         this._jestPlaywrightConfig.contextOptions,
       )
-      const device = getDeviceType(this._config.device)
+      const device = this._config.device
       const deviceName: Nullable<string> = getDeviceName(device)
       const {
         name,
diff --git a/src/utils.test.ts b/src/utils.test.ts
index c94fb7f1..81dbd856 100644
--- a/src/utils.test.ts
+++ b/src/utils.test.ts
@@ -8,7 +8,6 @@ import { Playwright } from '../types/global'
 const {
   readConfig,
   getBrowserType,
-  getDeviceType,
   checkBrowserEnv,
   checkDeviceEnv,
   checkDevice,
@@ -172,11 +171,9 @@ describe('getBrowserType', () => {
     const browserType = getBrowserType()
     expect(browserType).toBe(CHROMIUM)
   })
-  it('should return BROWSER if defined', async () => {
-    process.env.BROWSER = 'webkit'
+  it('should return passed browser if it is passed', async () => {
     const browserType = getBrowserType('firefox')
-    expect(browserType).toBe(process.env.BROWSER)
-    delete process.env.BROWSER
+    expect(browserType).toBe('firefox')
   })
 })
 
@@ -205,19 +202,6 @@ describe('getBrowserOptions', () => {
   })
 })
 
-describe('getDeviceType', () => {
-  it('should return "null" when there is no device', async () => {
-    const device = getDeviceType(null)
-    expect(device).toBe(null)
-  })
-  it('should return BROWSER if defined', async () => {
-    process.env.DEVICE = 'iPhone 11'
-    const device = getDeviceType(null)
-    expect(device).toBe(process.env.DEVICE)
-    delete process.env.DEVICE
-  })
-})
-
 describe('checkBrowserEnv', () => {
   it('should throw Error with unknown type', async () => {
     const browserType = getBrowserType('unknown' as BrowserType)
diff --git a/src/utils.ts b/src/utils.ts
index 89d30d0a..d044f62f 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -104,16 +104,7 @@ export const getDisplayName = (
   return `browser: ${browser}`
 }
 
-export const getDeviceType = (device: DeviceType): DeviceType => {
-  const processDevice = process.env.DEVICE
-  return processDevice || device
-}
-
 export const getBrowserType = (browser?: BrowserType): BrowserType => {
-  const processBrowser = process.env.BROWSER
-  if (processBrowser) {
-    return processBrowser as BrowserType
-  }
   return browser || CHROMIUM
 }