diff --git a/src/mainboard/google/samus/Kconfig b/src/mainboard/google/samus/Kconfig
index d9034d6009..7365883c6f 100644
--- a/src/mainboard/google/samus/Kconfig
+++ b/src/mainboard/google/samus/Kconfig
@@ -6,6 +6,8 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select BOARD_ROMSIZE_KB_8192
 	select EC_GOOGLE_CHROMEEC
 	select EC_SOFTWARE_SYNC
+	select VBOOT_EC_SLOW_UPDATE
+	select VBOOT_OPROM_MATTERS
 	select VIRTUAL_DEV_SWITCH
 	select HAVE_ACPI_TABLES
 	select HAVE_OPTION_TABLE