diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk
index 772b28d..4b238e3 100644
--- a/make_helpers/defaults.mk
+++ b/make_helpers/defaults.mk
@@ -480,3 +480,7 @@
 
 # Dynamic Root of Trust for Measurement support
 DRTM_SUPPORT			:= 0
+
+# Check platform if cache management operations should be performed.
+# Disabled by default.
+CONDITIONAL_CMO			:= 0