// Remove Query Strings

function _remove_script_version( $src ){

    $parts = explode( '?ver', $src );
    return $parts[0];
}

add_filter( 'script_loader_src', '_remove_script_version', 15, 1 );
add_filter( 'style_loader_src', '_remove_script_version', 15, 1 );

// Remove jquery migrate
function dequeue_jquery_migrate( $scripts ) {
  if ( ! is_admin() && ! empty( $scripts->registered['jquery'] ) ) {
    $scripts->registered['jquery']->deps = array_diff(
        $scripts->registered['jquery']->deps,
        [ 'jquery-migrate' ]
    );
  }
}
add_action( 'wp_default_scripts', 'dequeue_jquery_migrate' );