Can we remove the banner of the ssh daemon on the API gateway

Document ID : KB000117073
Last Modified Date : 08/10/2018
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Introduction:
We recently pen tested our CA API gateway and one of the findings was that the version of ssh daemon is visible. NC gateway-hostname  22, gives the banner of ssh-daemon SSH-2.0-OpenSSH_5.3
Is there way to deliver a ssh package where the banner is removed.
Instructions:
This is currently not possible as this header is required as part of the protocol defined in rfc4253.
 
Additional Information:
http://www.openssh.com/txt/rfc4253.txt