-int sd_bus_message_new_method_return(sd_bus *bus, sd_bus_message *call, sd_bus_message **m);
-int sd_bus_message_new_method_error(sd_bus *bus, sd_bus_message *call, const sd_bus_error *e, sd_bus_message **m);
-int sd_bus_message_new_method_errorf(sd_bus *bus, sd_bus_message *call, sd_bus_message **m, const char *name, const char *format, ...) _sd_printf_(5, 0);
-int sd_bus_message_new_method_errno(sd_bus *bus, sd_bus_message *call, int error, const sd_bus_error *e, sd_bus_message **m);
-int sd_bus_message_new_method_errnof(sd_bus *bus, sd_bus_message *call, sd_bus_message **m, int error, const char *format, ...) _sd_printf_(5, 0);
+int sd_bus_message_new_method_return(sd_bus_message *call, sd_bus_message **m);
+int sd_bus_message_new_method_error(sd_bus_message *call, const sd_bus_error *e, sd_bus_message **m);
+int sd_bus_message_new_method_errorf(sd_bus_message *call, sd_bus_message **m, const char *name, const char *format, ...) _sd_printf_(4, 0);
+int sd_bus_message_new_method_errno(sd_bus_message *call, int error, const sd_bus_error *e, sd_bus_message **m);
+int sd_bus_message_new_method_errnof(sd_bus_message *call, sd_bus_message **m, int error, const char *format, ...) _sd_printf_(4, 0);