diff --git a/tools/unit-test-app/components/unity/component.mk b/tools/unit-test-app/components/unity/component.mk
index ebd7a7d59b..b0a970453f 100644
--- a/tools/unit-test-app/components/unity/component.mk
+++ b/tools/unit-test-app/components/unity/component.mk
@@ -1,3 +1,5 @@
 #
 # Component Makefile
 #
+
+unity.o: CFLAGS += -Wno-unused-const-variable