diff --git a/dom0/qvm-core/qubes.py b/dom0/qvm-core/qubes.py
index 735f2a20..7e0fffd1 100755
--- a/dom0/qvm-core/qubes.py
+++ b/dom0/qvm-core/qubes.py
@@ -2817,7 +2817,6 @@ class QubesVmCollection(dict):
                 "uses_default_netvm", "label", "memory", "vcpus", "pcidevs",
                 "maxmem", "kernel", "uses_default_kernel", "kernelopts", "uses_default_kernelopts",
                 "mac", "services", "include_in_backups", "debug", "default_user", "qrexec_installed", "drive" )
-                "mac", "services", "include_in_backups", "debug", "default_user" )
 
         for attribute in common_attr_list:
             kwargs[attribute] = element.get(attribute)
diff --git a/dom0/qvm-tools/qvm-prefs b/dom0/qvm-tools/qvm-prefs
index 53ccf041..683448f0 100755
--- a/dom0/qvm-tools/qvm-prefs
+++ b/dom0/qvm-tools/qvm-prefs
@@ -325,27 +325,6 @@ def set_include_in_backups(vms, vm, args):
     vm.include_in_backups = bool(eval(args[0].capitalize()))
     return True
 
-def set_debug(vms, vm, args):
-    if len (args) != 1:
-        print >> sys.stderr, "Missing value (True/False or on/off)!"
-        return False
-
-    if args[0].lower() == "on":
-        vm.debug = True
-    elif args[0].lower() == "off":
-        vm.debug = False
-    else:
-        vm.debug = bool(eval(args[0].capitalize()))
-    return True
-
-def set_default_user(vms, vm, args):
-    if len (args) != 1:
-        print >> sys.stderr, "Missing user name!"
-        return False
-
-    vm.default_user = args[0]
-    return True
-
 def set_qrexec_installed(vms, vm, args):
     if len (args) != 1:
         print >> sys.stderr, "Missing value (True/False)!"