diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index 2c9b37a..1826cf0 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -1,17 +1,16 @@
 CONFIG_SYS_TEXT_BASE=0
 CONFIG_SYS_MALLOC_LEN=0x2000000
 CONFIG_NR_DRAM_BANKS=1
-CONFIG_SYS_MEMTEST_START=0x00100000
-CONFIG_SYS_MEMTEST_END=0x00101000
 CONFIG_ENV_SIZE=0x2000
 CONFIG_DEFAULT_DEVICE_TREE="sandbox"
 CONFIG_PRE_CON_BUF_ADDR=0xf0000
 CONFIG_BOOTSTAGE_STASH_ADDR=0x0
 CONFIG_DEBUG_UART=y
+CONFIG_SYS_MEMTEST_START=0x00100000
+CONFIG_SYS_MEMTEST_END=0x00101000
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_SYS_LOAD_ADDR=0x0
 CONFIG_FIT=y
-CONFIG_FIT_SIGNATURE=y
 CONFIG_FIT_RSASSA_PSS=y
 CONFIG_FIT_CIPHER=y
 CONFIG_FIT_VERBOSE=y