diff --git a/edbob/pyramid/views/users.py b/edbob/pyramid/views/users.py
index 0ed80c5..a2e201e 100644
--- a/edbob/pyramid/views/users.py
+++ b/edbob/pyramid/views/users.py
@@ -26,13 +26,14 @@
 ``edbob.pyramid.views.users`` -- User Views
 """
 
-from webhelpers.html import literal, tags
+from webhelpers.html import tags
+from webhelpers.html.builder import HTML
 
 import formalchemy
 from formalchemy.fields import SelectFieldRenderer
 
 import edbob
-from edbob.db.auth import set_user_password
+from edbob.db import auth
 from edbob.pyramid import Session
 from edbob.pyramid.views import SearchableAlchemyGridView, CrudView
 
@@ -86,22 +87,22 @@ class UsersGrid(SearchableAlchemyGridView):
         return g
 
 
-class _RolesFieldRenderer(SelectFieldRenderer):
-
-    def render_readonly(self, **kwargs):
-        roles = Session.query(edbob.Role)
-        res = literal('<ul>')
-        for uuid in self.value:
-            role = roles.get(uuid)
-            res += literal('<li>%s</li>' % (
-                    tags.link_to(role.name,
-                                 self.request.route_url('role.read', uuid=role.uuid))))
-        res += literal('</ul>')
-        return res
-
-
 def RolesFieldRenderer(request):
-    return type('RolesFieldRenderer', (_RolesFieldRenderer,), {'request': request})
+
+    class RolesFieldRenderer(SelectFieldRenderer):
+
+        def render_readonly(self, **kwargs):
+            roles = Session.query(edbob.Role)
+            html = ''
+            for uuid in self.value:
+                role = roles.get(uuid)
+                link = tags.link_to(
+                    role.name, request.route_url('role.read', uuid=role.uuid))
+                html += HTML.tag('li', c=link)
+            html = HTML.tag('ul', c=html)
+            return html
+
+    return RolesFieldRenderer
 
 
 class RolesField(formalchemy.Field):
@@ -117,6 +118,7 @@ class RolesField(formalchemy.Field):
 
     def get_options(self):
         q = Session.query(edbob.Role.name, edbob.Role.uuid)
+        q = q.filter(edbob.Role.uuid != auth.guest_role(Session()).uuid)
         q = q.order_by(edbob.Role.name)
         return q.all()
 
@@ -180,7 +182,7 @@ class PasswordField(formalchemy.Field):
         if not self.is_readonly():
             password = self.renderer.deserialize()
             if password:
-                set_user_password(self.model, password)
+                auth.set_user_password(self.model, password)
 
 
 class UserCrud(CrudView):