rear brake pad moving

[casper81]

hey guys hopefully someone here can help me my rear brake pad on the drivers side moves around in the caliper which i know shouldnt be happening can anyone tell me why its doing it. doesnt affect the braking one bit and passed its mot but is really annoyin hearing it clunk around

cheers

[bodgetastic]

Are the pins that go through the pads and anti rattle clips still in place? More than likely the anti vibration/rattle clip has rusted through and fallen off?