diff --git a/cmake/re-config.cmake b/cmake/re-config.cmake
index eb2bf42a2..09276385f 100644
--- a/cmake/re-config.cmake
+++ b/cmake/re-config.cmake
@@ -111,7 +111,6 @@ endif()
 
 list(APPEND RE_DEFINITIONS
   HAVE_ATOMIC
-  HAVE_INET6
   HAVE_SELECT
   )