1 files changed, 3 insertions, 6 deletions
diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
index 6c425828c1..8df8fcbbad 100644
--- a/synapse/handlers/room.py
+++ b/synapse/handlers/room.py
@@ -475,12 +475,9 @@ class RoomEventSource(object):
             user.to_string()
         )
         if app_service:
-            events, end_key = yield self.store.get_appservice_room_stream(
-                service=app_service,
-                from_key=from_key,
-                to_key=to_key,
-                limit=limit,
-            )
+            # We no longer support AS users using /sync directly.
+            # See https://github.com/matrix-org/matrix-doc/issues/1144
+            raise NotImplementedError()
         else:
             room_events = yield self.store.get_membership_changes_for_user(
                 user.to_string(), from_key, to_key