diff --git a/include/cstdlib b/include/cstdlib
index 152b891..e45a8fd 100644
--- a/include/cstdlib
+++ b/include/cstdlib
@@ -126,7 +126,7 @@ using ::realloc;
 using ::abort;
 using ::atexit;
 using ::exit;
-using ::_Exit;
+
 using ::getenv;
 using ::system;
 using ::bsearch;