diff --git a/lti_consumer/lti_xblock.py b/lti_consumer/lti_xblock.py
index 8e64fa48..8d663403 100644
--- a/lti_consumer/lti_xblock.py
+++ b/lti_consumer/lti_xblock.py
@@ -823,9 +823,7 @@ def anonymous_user_id(self):
         This defaults to 'student' when testing in studio.
         It will return the proper anonymous ID in the LMS.
         """
-        user_id = self.runtime.service(self, 'user').get_current_user().opt_attrs.get(
-            'edx-platform.user_id', self.runtime.anonymous_student_id)
-
+        user_id = self.runtime.anonymous_student_id
         if user_id is None:
             raise LtiError(self.ugettext("Could not get user id for current request"))
         return str(user_id)
diff --git a/lti_consumer/outcomes.py b/lti_consumer/outcomes.py
index 94112ec5..ef83ceac 100644
--- a/lti_consumer/outcomes.py
+++ b/lti_consumer/outcomes.py
@@ -184,7 +184,7 @@ def handle_request(self, request):
             return response_xml_template.format(**failure_values)
 
         user_id = unquote(sourced_id.split(':')[-1])
-        real_user = self.xblock.get_lti_1p1_user_from_user_id(user_id)
+        real_user = self.xblock.runtime.get_real_user(user_id)
 
         if not real_user:  # that means we can't save to database, as we do not have real user id.
             failure_values['imsx_messageIdentifier'] = escape(imsx_message_identifier)