diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk
index 8705d92..45f5fa8 100644
--- a/make_helpers/defaults.mk
+++ b/make_helpers/defaults.mk
@@ -96,6 +96,12 @@
 # Build option to enable MPAM for lower ELs
 ENABLE_MPAM_FOR_LOWER_ELS	:= 0
 
+# Enable the Maximum Power Mitigation Mechanism on supporting cores.
+ENABLE_MPMM			:= 0
+
+# Enable MPMM configuration via FCONF.
+ENABLE_MPMM_FCONF		:= 0
+
 # Flag to Enable Position Independant support (PIE)
 ENABLE_PIE			:= 0