diff --git a/synapse/handlers/sliding_sync/__init__.py b/synapse/handlers/sliding_sync/__init__.py
index 9fcc68ff25..79d306662d 100644
--- a/synapse/handlers/sliding_sync/__init__.py
+++ b/synapse/handlers/sliding_sync/__init__.py
@@ -673,8 +673,6 @@ class SlidingSyncHandler:
                 != Membership.JOIN,
                 filter_send_to_client=True,
             )
-            # TODO: Filter out `EventTypes.CallInvite` in public rooms,
-            # see https://github.com/element-hq/synapse/issues/17359
 
             # TODO: Handle timeline gaps (`get_timeline_gaps()`)