To Remove Version parameter from your theme css or js file add the following code in functions.php
function eleminate_js_css_var( $src ) {
if( strpos( $src, '?ver=' ) )
$src = remove_query_arg( 'ver', $src );
return $src;
}
add_filter( 'style_loader_src', 'eleminate_js_css_var', 1000 );
add_filter( 'script_loader_src', 'eleminate_js_css_var', 1000 );
Alternatively…
You can set NULL to the fourth parameter on the wp_enqueue_style() or wp_enqueue_script()
That’s easy… 🙂