laravel-mix: Module build failed: Error: Duplicate plugin/preset detected.

• Laravel Mix Version: 3.0.0 and 4.0.0.beta
• Node Version: 10
• NPM Version: 5
• OS: macos 10.14

Description:

Compile error

ERROR in ./resources/assets/admin/app.js
Module build failed: Error: Duplicate plugin/preset detected.
If you'd like to use two separate instances of a plugin,
they need separate names, e.g.

  plugins: [
    ['some-plugin', {}],
    ['some-plugin', {}, 'some unique name'],
  ]

I found that webpack-merge cannot remove duplicate configurations, How can I solve this?

Steps To Reproduce:

Because I need to use “useBuiltIns”: “usage” to handle compatibility, Operating under laravel

1. Add the following code in .babelrc

{
  "presets": [
    [
      "@babel/preset-env",
      {
        "modules": false,
        "targets": {
          "browsers": [
            "> 2%"
          ]
        },
        "useBuiltIns": "usage",
        "forceAllTransforms": true
      }
    ]
  ],
  "plugins": [
    "@babel/plugin-syntax-dynamic-import",
    [
      "component",
      {
        "libraryName": "element-ui",
        "styleLibraryName": "theme-chalk"
      }
    ]
  ]
}

1. npm run dev