diff --git a/browser/components/shell/src/nsWindowsShellService.cpp b/browser/components/shell/src/nsWindowsShellService.cpp
index e0cc7ca6a12f..0453ba021b18 100644
--- a/browser/components/shell/src/nsWindowsShellService.cpp
+++ b/browser/components/shell/src/nsWindowsShellService.cpp
@@ -27,6 +27,7 @@
 #include "nsISupportsPrimitives.h"
 #include "nsThreadUtils.h"
 #include "nsXULAppAPI.h"
+#include "mozilla/WindowsVersion.h"
 
 #include "windows.h"
 #include "shellapi.h"
@@ -53,6 +54,8 @@
 
 #define NS_TASKBAR_CONTRACTID "@mozilla.org/windows-taskbar;1"
 
+using mozilla::IsWin8OrLater;
+
 NS_IMPL_ISUPPORTS2(nsWindowsShellService, nsIWindowsShellService, nsIShellService)
 
 static nsresult
@@ -314,16 +317,6 @@ nsWindowsShellService::ShortcutMaintenance()
   return LaunchHelper(appHelperPath);
 }
 
-static bool
-IsWin8OrLater()
-{
-  OSVERSIONINFOW osInfo;
-  osInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
-  GetVersionExW(&osInfo);
-  return osInfo.dwMajorVersion > 6 || 
-         (osInfo.dwMajorVersion >= 6 && osInfo.dwMinorVersion >= 2);
-}
-
 static bool
 IsAARDefaultHTTP(IApplicationAssociationRegistration* pAAR,
                  bool* aIsDefaultBrowser)