Question bug in gpu-z?

[HuNTeR-]

it's a BUG in GPu-z program or?In my knowledge only RTX graphic card 20,30 and 40 series have ray tracing tehnologies...not gtx 1080 .In any game when i played with gtx 1080, ray tracing tehnologies was greyed out...why gpu-z say is present on gtx 1080?

 

[Seba]

Accelerating The Real-Time Ray Tracing Ecosystem: DXR For GeForce RTX and GeForce GTX