diff --git a/objc/objc.h b/objc/objc.h
index f54910a..ee7612c 100644
--- a/objc/objc.h
+++ b/objc/objc.h
@@ -39,10 +39,8 @@ extern "C" {
 #ifdef __vxworks
 typedef int BOOL;
 #else
-#ifndef BOOL
 typedef unsigned char  BOOL;
 #endif
-#endif
 #define YES   (BOOL)1
 #define NO    (BOOL)0