1 files changed, 1 insertions, 3 deletions
diff --git a/gc.c b/gc.c
index 9569aec05f..ea1bdf0ecb 100644
--- a/gc.c
+++ b/gc.c
@@ -51,9 +51,7 @@ int rb_io_fptr_finalize(struct OpenFile*);
 # ifdef HAVE_ALLOCA_H
 #  include <alloca.h>
 # else
-#  ifdef _AIX
- #pragma alloca
-#  else
+#  ifndef _AIX
 #   ifndef alloca /* predefined by HP cc +Olibcalls */
 void *alloca ();
 #   endif