diff --git a/util/build-win32.sh b/util/build-win32.sh
index 66309ab..a16a35f 100644
--- a/util/build-win32.sh
+++ b/util/build-win32.sh
@@ -29,7 +29,6 @@ cd ../../..
 
 ./configure \
     --with-cc=gcc \
-    --with-ipv6 \
     --prefix= \
     --with-cc-opt='-DFD_SETSIZE=1024' \
     --sbin-path=nginx.exe \