Add this code into function.php
of your child theme.
Please make all changes to the child theme files, and do not add the code directly to the theme files, otherwise after updating the theme your fixes will be lost
function.php
add_action( 'ocean_top_bar', function () {
if ( function_exists( 'groovy_menu' ) ) {
remove_action( 'ocean_top_bar', 'oceanwp_top_bar_template' );
remove_action( 'ocean_header', 'oceanwp_header_template' );
groovy_menu();
}
}, 5 );
Note: You can find the child theme for the Ocean WP Theme in the
Groovy Menu > Integration section