Don't include redundant prev_state in new events (#13791)

1 files changed, 0 insertions, 3 deletions

diff --git a/synapse/federation/federation_client.py b/synapse/federation/federation_client.py

index 4a4289ee7c..464672a3da 100644
--- a/synapse/federation/federation_client.py
+++ b/synapse/federation/federation_client.py
@@ -906,9 +906,6 @@ class FederationClient(FederationBase):
             # The protoevent received over the JSON wire may not have all
             # the required fields. Lets just gloss over that because
             # there's some we never care about
-            if "prev_state" not in pdu_dict:
-                pdu_dict["prev_state"] = []
-
             ev = builder.create_local_event_from_event_dict(
                 self._clock,
                 self.hostname,