diff --git a/board/sipeed/maix/Kconfig b/board/sipeed/maix/Kconfig
index adf6abb572..b1d7a7ad93 100644
--- a/board/sipeed/maix/Kconfig
+++ b/board/sipeed/maix/Kconfig
@@ -37,8 +37,6 @@ config BOARD_SPECIFIC_OPTIONS
 	imply SIFIVE_CLINT
 	imply POWER_DOMAIN
 	imply SIMPLE_PM_BUS
-	imply CLK_CCF
-	imply CLK_COMPOSITE_CCF
 	imply CLK_K210
 	imply DM_RESET
 	imply RESET_SYSCON
diff --git a/configs/sipeed_maix_bitm_defconfig b/configs/sipeed_maix_bitm_defconfig
index 6a06f650ea..33c67c0b54 100644
--- a/configs/sipeed_maix_bitm_defconfig
+++ b/configs/sipeed_maix_bitm_defconfig
@@ -1,5 +1,4 @@
 CONFIG_RISCV=y
-CONFIG_SYS_MALLOC_F_LEN=0x10000
 CONFIG_ENV_SIZE=0x1000
 CONFIG_ENV_OFFSET=0xfff000
 CONFIG_ENV_SECT_SIZE=0x1000