How to remove @license in _next/static/chunks/pages

Question

I have a facing in _next/static/chunks/pages/_app.js. how to remove comment out for license? there are many that word in anywhere in my source.

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enter image description here react: 18.2.0 react-dom: 18.2.0 next: 13.5.4 webpack: 4.0.0

I install plugin uglifyjs-webpack-plugin9 webpack.config.js enter image description here