diff --git a/include/ctype.h b/include/ctype.h
index 49cc47f030..9138a97f4c 100644
--- a/include/ctype.h
+++ b/include/ctype.h
@@ -318,7 +318,6 @@ static inline int tolower(int c)
 #else
 #  define tolower(c) \
     (((c) >= 'A' && (c) <= 'Z') ? ((c) - 'A' + 'a') : (c))
-#  define 
 #endif
 
 /****************************************************************************