diff --git a/linker/tests/Android.mk b/linker/tests/Android.mk
index 831cfcb..683f9ee 100644
--- a/linker/tests/Android.mk
+++ b/linker/tests/Android.mk
@@ -26,7 +26,7 @@
 
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 
-LOCAL_CFLAGS += -g -Wall -Wextra -Werror -std=gnu++11
+LOCAL_CFLAGS += -g -Wall -Wextra -Wunused -Werror -std=gnu++11
 LOCAL_C_INCLUDES := $(LOCAL_PATH)/../../libc/
 
 LOCAL_SRC_FILES := \