@@ -40,13 +40,11 @@
 #import "OFOutOfRangeException.h"
 #import "OFReadFailedException.h"
 #import "OFWriteFailedException.h"
 
 #ifdef OF_MORPHOS
-# define BOOL EXEC_BOOL
 # include <proto/exec.h>
-# undef BOOL
 #endif
 
 /* References for static linking */
 #ifdef OF_WINDOWS
 void