add_action('swift_performance_cache_init', function(){
    remove_action('activated_plugin', array('Swift_Performance_Cache', 'clear_all_cache'));
    remove_action('deactivated_plugin', array('Swift_Performance_Cache', 'clear_all_cache'));
    remove_action('upgrader_process_complete', array('Swift_Performance_Cache', 'clear_all_cache'));
});