diff --git a/configs/chromebook_bob_defconfig b/configs/chromebook_bob_defconfig
index b16bc3a..03fd117 100644
--- a/configs/chromebook_bob_defconfig
+++ b/configs/chromebook_bob_defconfig
@@ -1,6 +1,5 @@
 CONFIG_ARM=y
 CONFIG_SKIP_LOWLEVEL_INIT=y
-CONFIG_SPL_SYS_DCACHE_OFF=y
 CONFIG_COUNTER_FREQUENCY=24000000
 CONFIG_ARCH_ROCKCHIP=y
 CONFIG_SPL_GPIO=y
@@ -19,7 +18,6 @@
 CONFIG_SPL_SPI_FLASH_SUPPORT=y
 CONFIG_SPL_SPI=y
 CONFIG_DEBUG_UART=y
-# CONFIG_SPL_FIT_SIGNATURE is not set
 CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-gru-bob.dtb"
 # CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_DISPLAY_BOARDINFO_LATE=y
@@ -28,7 +26,7 @@
 # CONFIG_TPL_BLOBLIST is not set
 CONFIG_BLOBLIST_ADDR=0x100000
 CONFIG_BLOBLIST_SIZE=0x1000
-CONFIG_SPL_MAX_SIZE=0x1e000
+CONFIG_SPL_MAX_SIZE=0x40000
 CONFIG_SPL_PAD_TO=0x7f8000
 CONFIG_HANDOFF=y
 # CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
diff --git a/configs/chromebook_kevin_defconfig b/configs/chromebook_kevin_defconfig
index 966422a..32b0b00 100644
--- a/configs/chromebook_kevin_defconfig
+++ b/configs/chromebook_kevin_defconfig
@@ -1,6 +1,5 @@
 CONFIG_ARM=y
 CONFIG_SKIP_LOWLEVEL_INIT=y
-CONFIG_SPL_SYS_DCACHE_OFF=y
 CONFIG_COUNTER_FREQUENCY=24000000
 CONFIG_ARCH_ROCKCHIP=y
 CONFIG_SPL_GPIO=y
@@ -20,7 +19,6 @@
 CONFIG_SPL_SPI_FLASH_SUPPORT=y
 CONFIG_SPL_SPI=y
 CONFIG_DEBUG_UART=y
-# CONFIG_SPL_FIT_SIGNATURE is not set
 CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-gru-kevin.dtb"
 # CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_DISPLAY_BOARDINFO_LATE=y
@@ -29,7 +27,7 @@
 # CONFIG_TPL_BLOBLIST is not set
 CONFIG_BLOBLIST_ADDR=0x100000
 CONFIG_BLOBLIST_SIZE=0x1000
-CONFIG_SPL_MAX_SIZE=0x1e000
+CONFIG_SPL_MAX_SIZE=0x40000
 CONFIG_SPL_PAD_TO=0x7f8000
 CONFIG_HANDOFF=y
 # CONFIG_SPL_RAW_IMAGE_SUPPORT is not set