1 files changed, 0 insertions, 4 deletions
diff --git a/synapse/federation/federation_server.py b/synapse/federation/federation_server.py
index 32a75993d9..42e3acecb4 100644
--- a/synapse/federation/federation_server.py
+++ b/synapse/federation/federation_server.py
@@ -1232,10 +1232,6 @@ class FederationHandlerRegistry:
 
         self.query_handlers[query_type] = handler
 
-    def register_instance_for_edu(self, edu_type: str, instance_name: str) -> None:
-        """Register that the EDU handler is on a different instance than master."""
-        self._edu_type_to_instance[edu_type] = [instance_name]
-
     def register_instances_for_edu(
         self, edu_type: str, instance_names: List[str]
     ) -> None: