1 files changed, 1 insertions, 6 deletions
diff --git a/synapse/federation/federation_base.py b/synapse/federation/federation_base.py
index 4df90e02d7..addc0bf000 100644
--- a/synapse/federation/federation_base.py
+++ b/synapse/federation/federation_base.py
@@ -215,15 +215,12 @@ def _is_invite_via_3pid(event: EventBase) -> bool:
     )
 
 
-def event_from_pdu_json(
-    pdu_json: JsonDict, room_version: RoomVersion, outlier: bool = False
-) -> EventBase:
+def event_from_pdu_json(pdu_json: JsonDict, room_version: RoomVersion) -> EventBase:
     """Construct an EventBase from an event json received over federation
 
     Args:
         pdu_json: pdu as received over federation
         room_version: The version of the room this event belongs to
-        outlier: True to mark this event as an outlier
 
     Raises:
         SynapseError: if the pdu is missing required fields or is otherwise
@@ -247,6 +244,4 @@ def event_from_pdu_json(
         validate_canonicaljson(pdu_json)
 
     event = make_event_from_dict(pdu_json, room_version)
-    event.internal_metadata.outlier = outlier
-
     return event