Beyond recall
Definition 1 of 2
Pro Tip 1/3Irreversible Situations
Use 'beyond recall' to express situations where past actions cannot be undone or changed. 
After the forest fire, the beauty of the landscape was beyond recall.
Pro Tip 2/3No Recovery
This phrase is apt for scenarios where something lost cannot be recovered, like trust or reputation. 
His reputation as a fair businessman is beyond recall after the scandal.
Pro Tip 3/3Serious Outcome
Emphasizes the gravity of a situation, often carrying a tone of regret or loss. 
The species extinction in the region is a sad reality that is beyond recall.