Button "Revoke Membership..." is enabled for non-members

I realized in Cesium 1.6.12 that inside My wallets, if I enter a non-member wallet of mine, the Options shows the "Revoke Membership..." feature which makes no sense since the account is not member, and I am afraid to even try it since it may revoke my member account that is the main one in this Cesium. See screenshot.

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