Surah At-Tawbah, ayah 84

9:84

وَلَا تُصَلِّ عَلَىٰٓ أَحَدٖ مِّنۡهُم مَّاتَ أَبَدٗا وَلَا تَقُمۡ عَلَىٰ قَبۡرِهِۦٓۖ إِنَّهُمۡ كَفَرُواْ بِٱللَّهِ وَرَسُولِهِۦ وَمَاتُواْ وَهُمۡ فَٰسِقُونَ ٨٤

Walā tusalli 'alā ahadim minhum māta abadan walā taqum 'alā qabrihī innahum kafarū billāhi warasūlihī wamātū wahum fāsiqūn

And do not pray [the funeral prayer, O Muḥammad], over any of them who has died - ever - or stand at his grave. Indeed, they disbelieved in Allāh and His Messenger and died while they were defiantly disobedient.