1 files changed, 3 insertions, 0 deletions
diff --git a/synapse/app/synchrotron.py b/synapse/app/synchrotron.py
index f87531f1b6..6ce349cfba 100644
--- a/synapse/app/synchrotron.py
+++ b/synapse/app/synchrotron.py
@@ -117,6 +117,7 @@ class SynchrotronPresence(object):
         logger.info("Presence process_id is %r", self.process_id)
 
     def send_user_sync(self, user_id, is_syncing, last_sync_ms):
+        return
         self.hs.get_tcp_replication().send_user_sync(user_id, is_syncing, last_sync_ms)
 
     def mark_as_coming_online(self, user_id):
@@ -214,6 +215,8 @@ class SynchrotronPresence(object):
         yield self.notify_from_replication(states, stream_id)
 
     def get_currently_syncing_users(self):
+        # presence is disabled on matrix.org, so we return the empty set
+        return set()
         return [
             user_id for user_id, count in self.user_to_num_current_syncs.iteritems()
             if count > 0