1 files changed, 1 insertions, 1 deletions

diff --git a/synapse/server.py b/synapse/server.py

index 185e40e4da..3032f0b738 100644
--- a/synapse/server.py
+++ b/synapse/server.py
@@ -759,7 +759,7 @@ class HomeServer(metaclass=abc.ABCMeta):
 
     @cache_in_self
     def get_event_client_serializer(self) -> EventClientSerializer:
-        return EventClientSerializer(self)
+        return EventClientSerializer()
 
     @cache_in_self
     def get_password_policy_handler(self) -> PasswordPolicyHandler: