diff --git a/include/ss/parser.hpp b/include/ss/parser.hpp
index 4ad4df4..74967cf 100644
--- a/include/ss/parser.hpp
+++ b/include/ss/parser.hpp
@@ -1,5 +1,7 @@
 #pragma once
 
+#define _CRT_SECURE_NO_WARNINGS
+
 #include "common.hpp"
 #include "converter.hpp"
 #include "extract.hpp"
diff --git a/include/ss/type_traits.hpp b/include/ss/type_traits.hpp
index f973781..294b8bb 100644
--- a/include/ss/type_traits.hpp
+++ b/include/ss/type_traits.hpp
@@ -1,7 +1,5 @@
 #pragma once
 
-#define _CRT_SECURE_NO_WARNINGS
-
 #include <cstdlib>
 #include <tuple>