1 files changed, 1 insertions, 1 deletions
diff --git a/signal.c b/signal.c
index 4e489a73bb..155f52a853 100644
--- a/signal.c
+++ b/signal.c
@@ -553,7 +553,7 @@ trap(arg)
     if (sig < 0 || sig > NSIG) {
 	rb_raise(rb_eArgError, "invalid signal number (%d)", sig);
     }
-#if defined(HAVE_SETITIMER) && !defined(__BOW__)
+#if defined(HAVE_SETITIMER)
     if (sig == SIGVTALRM) {
 	rb_raise(rb_eArgError, "SIGVTALRM reserved for Thread; cannot set handler");
     }