diff --git a/configs/evb-aarch32-rk3308_defconfig b/configs/evb-aarch32-rk3308_defconfig
index bfb681e62c..5a2b43d056 100644
--- a/configs/evb-aarch32-rk3308_defconfig
+++ b/configs/evb-aarch32-rk3308_defconfig
@@ -13,6 +13,7 @@ CONFIG_TPL_SYS_MALLOC_F_LEN=0x600
 CONFIG_ANDROID_BOOT_IMAGE=y
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y
+# CONFIG_PASS_DEVICE_SERIAL_BY_FDT is not set
 CONFIG_BOOTDELAY=0
 # CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_ANDROID_BOOTLOADER=y
diff --git a/configs/evb-rk3308_defconfig b/configs/evb-rk3308_defconfig
index 9bddfec667..48ac5837a6 100644
--- a/configs/evb-rk3308_defconfig
+++ b/configs/evb-rk3308_defconfig
@@ -12,6 +12,7 @@ CONFIG_TPL_SYS_MALLOC_F_LEN=0x600
 CONFIG_ANDROID_BOOT_IMAGE=y
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y
+# CONFIG_PASS_DEVICE_SERIAL_BY_FDT is not set
 CONFIG_BOOTDELAY=0
 # CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_ANDROID_BOOTLOADER=y