diff --git a/buffet/dbus_constants.h b/buffet/dbus_constants.h
index 13c8a71..b7e9239 100644
--- a/buffet/dbus_constants.h
+++ b/buffet/dbus_constants.h
@@ -12,13 +12,9 @@
 // The service name claimed by the Buffet daemon.
 extern const char kServiceName[];
 
-// Interface implemented by the object at kRootServicePath.
-extern const char kRootInterface[];
+// The object at this path implements the ObjectManager interface.
 extern const char kRootServicePath[];
 
-// Methods exposed as part of kRootInterface.
-extern const char kRootTestMethod[];
-
 // Interface implemented by the object at kManagerServicePath.
 extern const char kManagerInterface[];
 extern const char kManagerServicePath[];
@@ -29,6 +25,7 @@
 extern const char kManagerStartRegisterDevice[];
 extern const char kManagerFinishRegisterDevice[];
 extern const char kManagerUpdateStateMethod[];
+extern const char kManagerTestMethod[];
 
 }  // namespace dbus_constants