1. A method of wireless communication at a wireless communications device, comprising: receiving a first version of a signal using a first antenna; receiving a second version of the signal using a second antenna, wherein the second antenna is shared between a first radio and a second radio; detecting, by the first radio, a loss of access to the second antenna based at least in part on a hardware event; and modifying, by the first radio, receive-side processing of the first version of the signal and the second version of the signal based at least in part on the loss of access to the second antenna.