How to avoid Core CSS and JS from theme in drupal 8?

Sometimes we just want to render our custom css/js, and avoid globally rendered core css or js from every page. So we have to follow given below steps:

Step 1: First go to your theme ".info.yml" file.
Step 2: Then add "stylesheets-remove:" parameter and add css file path of all core files like,
Example: Theme file name is "account.info.yml".
then we just have to add 'stylesheets-remove:' for avoid under write files there..

stylesheets-remove:
  - core/themes/stable/css/system/components/autocomplete-loading.module.css
  - core/themes/stable/css/system/components/ajax-progress.module.css
  - core/themes/stable/css/system/components/align.module.css
 
Step 3: Clear full cache of project.

So this is the easy way to avoid core file from project pages.


Note: How to remove globally CSS from theme of project in drupal 8?

How to dynamically clear cache in drupal 8?

It's a easy way to clear or remove cache with using this simple code.

Code: \Drupal::service('page_cache_kill_switch')->trigger();

Description: Simple write this code on your function and when your code will hit or run on any page this page cache will automatically triggered and clear.


Note: If have any suggestions or issue regarding 'How to dynamically clear cache in drupal 8?' then you can ask by comments.