1 files changed, 1 insertions, 3 deletions
diff --git a/ruby.h b/ruby.h
index de2bf3297c..f00f39b935 100644
--- a/ruby.h
+++ b/ruby.h
@@ -63,9 +63,7 @@ extern "C" {
 # define __(args) ()
 #endif
 
-#ifdef HAVE_ATTR_NORETURN
-# define NORETURN(x) x __attribute__ ((noreturn))
-#elif !defined NORETURN
+#ifndef NORETURN
 # define NORETURN(x) x
 #endif