diff --git a/changelog.d/15690.misc b/changelog.d/15690.misc
new file mode 100644
index 000000000000..c6c259eb7d14
--- /dev/null
+++ b/changelog.d/15690.misc
@@ -0,0 +1 @@
+Remove some unused code.
diff --git a/synapse/federation/federation_server.py b/synapse/federation/federation_server.py
index f4ca70a69806..e17cb840de99 100644
--- a/synapse/federation/federation_server.py
+++ b/synapse/federation/federation_server.py
@@ -1291,9 +1291,6 @@ async def _process_incoming_pdus_in_room_inner(
                 return
             lock = new_lock
 
-    def __str__(self) -> str:
-        return "<ReplicationLayer(%s)>" % self.server_name
-
     async def exchange_third_party_invite(
         self, sender_user_id: str, target_user_id: str, room_id: str, signed: Dict
     ) -> None: