diff --git a/arch/Kconfig b/arch/Kconfig
index 074ede1..1f2f407 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -106,6 +106,10 @@
 	imply LZMA
 	imply SCSI
 	imply TEE
+	imply AVB_VERIFY
+	imply LIBAVB
+	imply CMD_AVB
+	imply UDP_FUNCTION_FASTBOOT
 
 config SH
 	bool "SuperH architecture"
diff --git a/configs/sandbox_noblk_defconfig b/configs/sandbox_noblk_defconfig
index c8d33c7..93b2240 100644
--- a/configs/sandbox_noblk_defconfig
+++ b/configs/sandbox_noblk_defconfig
@@ -2,7 +2,6 @@
 CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_NR_DRAM_BANKS=1
-CONFIG_ANDROID_BOOT_IMAGE=y
 CONFIG_FIT=y
 CONFIG_FIT_SIGNATURE=y
 CONFIG_FIT_VERBOSE=y
@@ -17,6 +16,7 @@
 CONFIG_CONSOLE_RECORD_OUT_SIZE=0x1000
 CONFIG_SILENT_CONSOLE=y
 CONFIG_DISPLAY_BOARDINFO_LATE=y
+# CONFIG_AVB_VERIFY is not set
 CONFIG_CMD_CPU=y
 CONFIG_CMD_LICENSE=y
 CONFIG_CMD_BOOTZ=y
diff --git a/drivers/fastboot/Kconfig b/drivers/fastboot/Kconfig
index bc25ea1..d63ecdd 100644
--- a/drivers/fastboot/Kconfig
+++ b/drivers/fastboot/Kconfig
@@ -35,6 +35,7 @@
 				ROCKCHIP_RK3399
 	default 0x280000 if ROCKCHIP_RK3368
 	default 0x100000 if ARCH_ZYNQMP
+	default 0 if SANDBOX
 	help
 	  The fastboot protocol requires a large memory buffer for
 	  downloads. Define this to the starting RAM address to use for
@@ -45,6 +46,7 @@
 	default 0x8000000 if ARCH_ROCKCHIP
 	default 0x6000000 if ARCH_ZYNQMP
 	default 0x2000000 if ARCH_SUNXI
+	default 0x8192 if SANDBOX
 	default 0x7000000
 	help
 	  The fastboot protocol requires a large memory buffer for