diff --git a/ares/Makefile.inc b/ares/Makefile.inc
index 8958b6059..6f8a5cee1 100644
--- a/ares/Makefile.inc
+++ b/ares/Makefile.inc
@@ -48,7 +48,6 @@ HHEADERS = ares.h			\
   ares_ipv6.h				\
   ares_library_init.h			\
   ares_llist.h				\
-  ares_nowarn.h				\
   ares_private.h			\
   ares_rules.h				\
   ares_strcasecmp.h			\