diff --git a/Userland/Libraries/LibC/sys/cdefs.h b/Userland/Libraries/LibC/sys/cdefs.h
index d74a5818ba..15ee0b0a8d 100644
--- a/Userland/Libraries/LibC/sys/cdefs.h
+++ b/Userland/Libraries/LibC/sys/cdefs.h
@@ -28,7 +28,3 @@
 #define __P(a) a
 
 #define offsetof(type, member) __builtin_offsetof(type, member)
-
-#ifdef __cplusplus
-//extern "C" int main(int, char**);
-#endif