diff --git a/upstart-jobs/guest-users.nix b/modules/config/guest-users.nix
similarity index 62%
rename from upstart-jobs/guest-users.nix
rename to modules/config/guest-users.nix
index dcebf7a12af..29a9740a733 100644
--- a/upstart-jobs/guest-users.nix
+++ b/modules/config/guest-users.nix
@@ -1,6 +1,7 @@
-{pkgs, config, ...}: 
+{pkgs, config, ...}:
+
 let
-  inherit(pkgs.lib) mkOption;
+  inherit (pkgs.lib) mkOption;
 
   options = {
     services = {
@@ -53,26 +54,15 @@ in
 
 {
   require = options;
-  services = {
-    # !!! Better to do this as an activation script plugin rather
-    # than an Upstart job.
-    extraJobs = optional enable {
-      name = "clear-passwords";
-      job = ''
-        description "Clear guest passwords"
-	start on startup
-	script
-	  for i in ${nameString}; do
-	      echo | ${pkgs.pwdutils}/bin/passwd --stdin $i
-	  done
-	end script
-      '';
-    };
-    mingetty = {
-      helpLine = optionalString enable "\nThese users have empty passwords: ${nameString}";
-    };
-  };
-  users = {
-    extraUsers = map userEntry users;
-  };
+
+  system.activationScripts = pkgs.lib.fullDepEntry
+    ''
+      for i in ${nameString}; do
+          echo | ${pkgs.pwdutils}/bin/passwd --stdin $i
+      done
+    '' ["defaultPath" "users" "groups"];
+
+  services.mingetty.helpLine = optionalString enable "\nThese users have empty passwords: ${nameString}";
+  
+  users.extraUsers = map userEntry users;
 }
diff --git a/modules/legacy.nix b/modules/legacy.nix
index 6359682f17c..7a2f223fc98 100644
--- a/modules/legacy.nix
+++ b/modules/legacy.nix
@@ -5,7 +5,6 @@
     ../system/nixos-installer.nix
     ../upstart-jobs/cron/locate.nix
     ../upstart-jobs/filesystems.nix
-    ../upstart-jobs/guest-users.nix
     ../upstart-jobs/kbd.nix
     ../upstart-jobs/ldap
     ../upstart-jobs/lvm.nix
diff --git a/modules/module-list.nix b/modules/module-list.nix
index b10905fc35e..6a08aa276d4 100644
--- a/modules/module-list.nix
+++ b/modules/module-list.nix
@@ -1,5 +1,6 @@
 [ # This file has been generated by gen-module-list.sh
   ./config/fonts.nix
+  ./config/guest-users.nix
   ./config/i18n.nix
   ./config/networking.nix
   ./config/nsswitch.nix
@@ -118,6 +119,11 @@
   ./system/boot/stage-1.nix
   ./system/boot/stage-2.nix
   ./system/etc/etc.nix
+##### ./system/etc/make-etc.nix
+# error: while evaluating the attribute `<let-body>' at `(string):2:8':
+# while evaluating the function at `(string):3:22':
+# while evaluating the function at `/home/eelco/Dev/modular-nixos/modules/system/etc/make-etc.nix:1:2':
+# the argument named `stdenv' required by the function is missing
   ./system/upstart-events/ctrl-alt-delete.nix
   ./system/upstart-events/halt.nix
   ./system/upstart-events/maintenance-shell.nix
diff --git a/modules/services/x11/xserver/display-managers/kdm.nix b/modules/services/x11/xserver/display-managers/kdm.nix
index 556519472e3..031f5c18a1e 100644
--- a/modules/services/x11/xserver/display-managers/kdm.nix
+++ b/modules/services/x11/xserver/display-managers/kdm.nix
@@ -4,9 +4,9 @@
 let
   inherit (pkgs.lib) mkOption;
 
-  options = { services = { xserver = { displayManager = {
+  options = {
 
-    kdm = {
+    services.xserver.displayManager.kdm = {
       enable = mkOption {
         default = false;
         description = "
@@ -15,7 +15,7 @@ let
       };
     };
 
-  }; /* displayManager */ }; /* xserver */ }; /* services */ };
+  };
 
 in
 
@@ -31,7 +31,7 @@ let
 
   kdmrc = stdenv.mkDerivation {
     name = "kdmrc";
-# 	     -e "s|Session=${kdebase_workspace}/share/config/kdm/Xsession|Session=${dmcfg.session.script}|" \
+    # -e "s|Session=${kdebase_workspace}/share/config/kdm/Xsession|Session=${dmcfg.session.script}|" \
     buildCommand = ''
       cp ${kdebase_workspace}/share/config/kdm/kdmrc .
       sed -i -e "s|#HaltCmd=|HaltCmd=${pkgs.upstart}/sbin/halt|" \