diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk
index fff336c..e8e990d 100644
--- a/make_helpers/defaults.mk
+++ b/make_helpers/defaults.mk
@@ -201,6 +201,9 @@
 # Build option to add debugfs support
 USE_DEBUGFS			:= 0
 
+# Build option to fconf based io
+USE_FCONF_BASED_IO		:= 0
+
 # Build option to choose whether Trusted Firmware uses library at ROM
 USE_ROMLIB			:= 0