diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c
index ac1419881ff3..db1c8ba43171 100644
--- a/drivers/platform/chrome/cros_ec_proto.c
+++ b/drivers/platform/chrome/cros_ec_proto.c
@@ -60,7 +60,6 @@ static int prepare_packet(struct cros_ec_device *ec_dev,
 	int i;
 	u8 csum = 0;
 
-	BUG_ON(ec_dev->proto_version != EC_HOST_REQUEST_VERSION);
 	BUG_ON(msg->outsize + sizeof(*request) > ec_dev->dout_size);
 
 	out = ec_dev->dout;