diff --git a/hosts/mastodon/default.nix b/hosts/mastodon/default.nix
index 15108596..2f2eabfb 100644
--- a/hosts/mastodon/default.nix
+++ b/hosts/mastodon/default.nix
@@ -47,6 +47,8 @@
             cp ${chaos_social_custom}/themes/$F app/javascript/styles/
           done
           echo "chaos-social-wide: styles/custom_wide.scss" >> config/themes.yml
+
+          rm -fr public/packs tmp/
         '';
     });