Field: android - should NOT have additional property 'enableDangerousExperimentalLeanBuilds'

My expo version is 42.0.0. When I run "expo build:android -t app-bundle", I get this error:

Error: Problem validating fields in app.json. Learn more: https://docs.expo.io/workflow/configuration/ • Field: android - should NOT have additional property 'enableDangerousExperimentalLeanBuilds'. Couldn't publish because errors were found. (See logs above.) Please fix the errors and try again.

{
  "expo": {
    "name": "XXXX",
    "slug": "XXXX",
    "version": "1.2.0",
    "orientation": "portrait",
    "icon": "./assets/XXXX.png",
    "splash": {
      "image": "./assets/XXXX.png",
      "resizeMode": "contain",
      "backgroundColor": "#FBDB5B"
    },
    "privacy": "public",
    "platforms": [
      "android"
    ],
    "android": {
      "config": {
        "googleMobileAdsAppId": "XXXX"
      },
      "package": "com.XXXX",
      "versionCode": 16,
      "permissions": [],
      "enableDangerousExperimentalLeanBuilds": true
    },
    "updates": {
      "fallbackToCacheTimeout": 0
    },
    "assetBundlePatterns": ["**/*"]
  }
}