diff --git a/libnm/generate-setting-docs.py b/libnm/generate-setting-docs.py
index 225526151..16d705e86 100755
--- a/libnm/generate-setting-docs.py
+++ b/libnm/generate-setting-docs.py
@@ -111,7 +111,7 @@ def init_constants(girxml, settings):
             setting_name = constants[setting_name_symbol]
             setting_names[setting_type_name] = setting_name
 
-def get_prop_type(setting, pspec, propxml):
+def get_prop_type(setting, pspec):
     dbus_type = setting.get_dbus_property_type(pspec.name).dup_string()
     prop_type = dbus_type_name_map[dbus_type]
 
@@ -156,7 +156,7 @@ def get_default_value(setting, pspec, propxml):
     if default_value is None:
         return default_value
 
-    value_type = get_prop_type(setting, pspec, propxml)
+    value_type = get_prop_type(setting, pspec)
     if value_type == 'string' and default_value != '' and pspec.name != 'name':
         default_value = '"%s"' % default_value
     elif value_type == 'gchar' and default_value != '':
@@ -251,7 +251,7 @@ for settingxml in settings:
             if propxml is None:
                 propxml = ipxml.find('./gi:property[@name="%s"]' % pspec.name, ns_map)
 
-            value_type = get_prop_type(setting, pspec, propxml)
+            value_type = get_prop_type(setting, pspec)
             value_desc = get_docs(propxml)
             default_value = get_default_value(setting, pspec, propxml)