Unwanted css files are load in essb_cache folder

Hello Sir,

My site url is https://khoobsurati.com/. When i was scanning my site there are lots of css are load in my site. These css files are coming from cache folder(essb_cache) and lots of previous css are loaded like these Urls:

For Example:
https://khoobsurati.com/wp-content/uploads/essb_cache/9217f909d8a2af06a206599384f23219.css
https://khoobsurati.com/wp-content/uploads/essb_cache/2fccfdec9374e946964a6259d59279d4.css

Please suggest what can i do for this.

Please help me as soon as possible.