diff --git a/mk/Doxyfile b/mk/Doxyfile
index ace66c8a1..c4e564592 100644
--- a/mk/Doxyfile
+++ b/mk/Doxyfile
@@ -193,7 +193,7 @@ EXPAND_ONLY_PREDEF     = YES
 SEARCH_INCLUDES        = YES
 INCLUDE_PATH           = include
 INCLUDE_FILE_PATTERNS  = 
-PREDEFINED             = HAVE_INET6
+PREDEFINED             =
 EXPAND_AS_DEFINED      = 
 SKIP_FUNCTION_MACROS   = YES
 #---------------------------------------------------------------------------