diff --git a/synapse/replication/http/_base.py b/synapse/replication/http/_base.py
index c20d9c7e9da7..8c2c54c07a49 100644
--- a/synapse/replication/http/_base.py
+++ b/synapse/replication/http/_base.py
@@ -345,7 +345,7 @@ async def send_request(*, instance_name: str = "master", **kwargs: Any) -> Any:
                 _outgoing_request_counter.labels(cls.NAME, 200).inc()
 
                 # Wait on any streams that the remote may have written to.
-                for stream_name, position in result.get(
+                for stream_name, position in result.pop(
                     _STREAM_POSITION_KEY, {}
                 ).items():
                     await replication.wait_for_stream_position(