diff --git a/modules/jupyterhub.nix b/modules/jupyterhub.nix
index 034c7fe..ab5bf6f 100644
--- a/modules/jupyterhub.nix
+++ b/modules/jupyterhub.nix
@@ -55,7 +55,6 @@ in
     description = "tdt4117 - delete after h25";
     extraGroups = [ ];
     # openssh.authorizedKeys.keys = [ "ssh-dss AAAAB3Nza... " ];
-    extraGroups = [ ];  
   };
 
   services.jupyterhub = {