1 files changed, 6 insertions, 2 deletions
diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py
index e8cb83eddb..73ec45c9cb 100644
--- a/synapse/handlers/presence.py
+++ b/synapse/handlers/presence.py
@@ -463,9 +463,13 @@ class PresenceHandler(BaseHandler):
         deferreds = []
 
         if target_user:
-            raise NotImplementedError("TODO: remove one user")
+            if target_user not in self._remote_recvmap:
+                return
+            target_users = set([target_user])
+        else:
+            target_users = self._remote_recvmap.keys()
 
-        remoteusers = [u for u in self._remote_recvmap
+        remoteusers = [u for u in target_users
                        if user in self._remote_recvmap[u]]
         remoteusers_by_domain = partition(remoteusers, lambda u: u.domain)