diff --git a/webpack.mix.js b/webpack.mix.js
index 52d3fab51..5616b4425 100644
--- a/webpack.mix.js
+++ b/webpack.mix.js
@@ -1,5 +1,7 @@
 let mix = require('laravel-mix')
 
+require('laravel-mix-purgecss')
+
 mix.disableNotifications()
   .postCss('resources/css/app.css', 'source/dist', [
     require('tailwindcss')(),
@@ -13,3 +15,6 @@ mix.disableNotifications()
       'source/**/*.twig'
     ]
   })
+  .purgeCss({
+    folders: ['output_*', 'resources']
+  })