diff --git a/cpukit/libmisc/shell/extern-ls.h b/cpukit/libmisc/shell/extern-ls.h
index 01575ba7df..33f713b66e 100644
--- a/cpukit/libmisc/shell/extern-ls.h
+++ b/cpukit/libmisc/shell/extern-ls.h
@@ -189,7 +189,4 @@ void     usage(rtems_shell_ls_globals* globals);
 
 void strmode(mode_t mode, char *p);
 
-#define DAYSPERNYEAR 365
-#define SECSPERDAY   (60 * 60 * 24)
-
 #endif /* !_EXTERN_H_ */