Me-262A-2A ejection ports

Aircraft World War II
1

The A-2A Jabo had the upper two guns deleted and the muzzle ports blanked off. (in most cases) Were the ejection ports for these two guns sealed off too?

2

Related thread

https://ww2aircraft.net/forum/threads/me-262-missing-a-cannon-shell-ejection-port.49399/

H.P.