diff --git a/appinstaller/appxinfo.h b/appinstaller/appxinfo.h
index 8f5ef41..0a285b3 100644
--- a/appinstaller/appxinfo.h
+++ b/appinstaller/appxinfo.h
@@ -11,7 +11,6 @@
 #include <locale>
 #include "nstring.h"
 #include "../priformatcli/priformatcli.h"
-#include <mmsyscom.h>
 #include "../pkgread/pkgread.h"
 
 static std::string ws2utf8 (const std::wstring &ws)