diff --git a/configs/colibri-imx8x_defconfig b/configs/colibri-imx8x_defconfig
index d90bce3ebb6..fdd4a51a70a 100644
--- a/configs/colibri-imx8x_defconfig
+++ b/configs/colibri-imx8x_defconfig
@@ -2,7 +2,6 @@ CONFIG_ARM=y
 CONFIG_ARCH_IMX8=y
 CONFIG_TEXT_BASE=0x80020000
 CONFIG_SYS_MALLOC_LEN=0x2800000
-CONFIG_SYS_MALLOC_F_LEN=0x4000
 CONFIG_NR_DRAM_BANKS=3
 CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
 CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x80200000