diff --git a/modal/_runtime/user_code_imports.py b/modal/_runtime/user_code_imports.py
index 995677038..0b5b8719f 100644
--- a/modal/_runtime/user_code_imports.py
+++ b/modal/_runtime/user_code_imports.py
@@ -264,7 +264,9 @@ def import_single_function_service(
                 # The cls decorator is in global scope
                 _cls = synchronizer._translate_in(cls)
                 user_defined_callable = _cls._callables[fun_name]
-                service_deps = _cls._get_class_service_function().deps(only_explicit_mounts=True)
+                # Intentionally not including these, since @build functions don't actually
+                # forward the information from their parent class.
+                # service_deps = _cls._get_class_service_function().deps(only_explicit_mounts=True)
                 active_app = _cls._app
             else:
                 # This is non-decorated class