Add this snippet to functions.php
<?php // Do NOT include the opening PHP tag // 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 );