diff --git a/core/common.hpp b/core/common.hpp
index 2f21da0..9f4fcec 100644
--- a/core/common.hpp
+++ b/core/common.hpp
@@ -33,11 +33,13 @@
 #define PUBLIC_WITH_TESTS_ELSE_PROTECTED public
 #define PUBLIC_WITH_TESTS_ELSE_PRIVATE public
 #define PROTECTED_WITH_TESTS_ELSE_PRIVATE protected
+#define FINAL_UNLESS_WITH_TESTS
 #else
 #define VIRTUAL_WITH_TESTS
 #define PUBLIC_WITH_TESTS_ELSE_PROTECTED protected
 #define PUBLIC_WITH_TESTS_ELSE_PRIVATE private
 #define PROTECTED_WITH_TESTS_ELSE_PRIVATE private
+#define FINAL_UNLESS_WITH_TESTS final
 #endif
 
 #include <cstddef>