diff --git a/global.h b/global.h
index c8fbf6342ba211b41a39399621ee5721982f9565..61923fac295df5761df35137fe4d7a3bb01def77 100644
--- a/global.h
+++ b/global.h
@@ -28,9 +28,8 @@ public:
 #define NAMESPACE_END };
 
 #define DECLARE_UNCOPYABLE(classname) \
-private:\
-	classname(const classname&) {}\
-	classname& operator=(const classname&) {}
+	classname(const classname&) = delete; \
+	classname& operator=(const classname&) = delete;
 
 
 #define DECLARE_SINGLETON(class_name) \