diff --git a/users/isa/default.nix b/users/isa/default.nix
index a42685f..78703fe 100644
--- a/users/isa/default.nix
+++ b/users/isa/default.nix
@@ -3,9 +3,8 @@
 {
   users.users.isa = {
     isNormalUser = true;
-    extraGroups = [ "guests" ];
     openssh.authorizedKeys.keys = [
-      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGrvhqC/tZzpLMs/qy+1xNSVi2mfn8LXPIEhh7dcGn9e"
+      (builtins.readFile ./ssh.pub)
     ];
   };
 }
diff --git a/users/isa/ssh.pub b/users/isa/ssh.pub
new file mode 100644
index 0000000..22be22f
--- /dev/null
+++ b/users/isa/ssh.pub
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGrvhqC/tZzpLMs/qy+1xNSVi2mfn8LXPIEhh7dcGn9e