How to cancel style.min.css file?

you can be used enqueueing your own CSS file and deregister the default stylesheet using Wp default hook

Replace default-theme-style with to register name mentioned in the minified CSS style link.

Add code in functions.php file

Deregister for style.min.css

function deregister_default_stylesheet() {
    // Deregister the default stylesheet
    wp_deregister_style( 'default-theme-style' );
}
add_action( 'wp_enqueue_scripts', 'deregister_default_stylesheet', 20 );

// Enqueue your own stylesheet `style.css`

function theme_enqueue_styles() {
    // Enqueue your own stylesheet
    wp_enqueue_style( 'my-css-style', get_stylesheet_uri() );
}
add_action( 'wp_enqueue_scripts', 'theme_enqueue_styles' );