diff --git a/hail/python/hail/backend/service_backend.py b/hail/python/hail/backend/service_backend.py
index 8d57f1e0211..d753dab03ed 100644
--- a/hail/python/hail/backend/service_backend.py
+++ b/hail/python/hail/backend/service_backend.py
@@ -79,7 +79,6 @@ class SequenceConfig:
 class ServiceBackendRPCConfig:
     tmp_dir: str
     remote_tmpdir: str
-    billing_project: str
     flags: Dict[str, str]
     custom_references: List[str]
     liftovers: Dict[str, Dict[str, str]]