Avoid unused variable warnings in some plausible usage
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/tests/include/test/memory.h b/tests/include/test/memory.h
index fdf7a06..c22ef53 100644
--- a/tests/include/test/memory.h
+++ b/tests/include/test/memory.h
@@ -83,8 +83,8 @@
mbedtls_test_memory_unpoison(ptr, size)
#else /* MBEDTLS_TEST_MEMORY_CAN_POISON */
-#define MBEDTLS_TEST_MEMORY_POISON(ptr, size) ((void) 0)
-#define MBEDTLS_TEST_MEMORY_UNPOISON(ptr, size) ((void) 0)
+#define MBEDTLS_TEST_MEMORY_POISON(ptr, size) ((void) (ptr), (void) (size))
+#define MBEDTLS_TEST_MEMORY_UNPOISON(ptr, size) ((void) (ptr), (void) (size))
#endif /* MBEDTLS_TEST_MEMORY_CAN_POISON */
#endif /* TEST_MEMORY_H */