diff --git a/configs/zynq_zed_defconfig b/configs/zynq_zed_defconfig
index 2500d84..01fa723 100644
--- a/configs/zynq_zed_defconfig
+++ b/configs/zynq_zed_defconfig
@@ -4,6 +4,7 @@
 CONFIG_TARGET_ZYNQ_ZED=y
 CONFIG_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="zynq-zed"
+# CONFIG_SYS_MALLOC_F is not set
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y
 CONFIG_FIT_SIGNATURE=y