diff --git a/lib/Makefile.am b/lib/Makefile.am
index 4ad1bf451b..eb7444a1b1 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -154,7 +154,6 @@ pkginclude_HEADERS = \
     str_util.h \
     url.h \
     util.h \
-    win_util.h \
     $(mac_headers) \
     $(win_headers)
 endif