diff --git a/Justfile b/Justfile
index 672edec8..fd4c87a8 100644
--- a/Justfile
+++ b/Justfile
@@ -24,5 +24,9 @@ install host:
                 --file ./default.nix \
                 --attr "nixosConfigurations.{{ host }}"
 
+cleanup:
+        sudo nix-env --delete-generations +10 -p /nix/var/nix/profiles/system
+        nix-env --delete-generations +10 -p ~/.local/state/nix/profiles/home-manager
+
 update:
         npins update