diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk
index b7ce051..9f7abed 100644
--- a/make_helpers/defaults.mk
+++ b/make_helpers/defaults.mk
@@ -156,3 +156,5 @@
 ifeq (${ARCH},aarch32)
     override ENABLE_SPE_FOR_LOWER_ELS := 0
 endif
+
+ENABLE_AMU			:= 0