"Shall we not bring water for Wudu'?" He said: "I have only been commanded to perform Wudu' when I want to pray." (Using translation from Nasāʾī 132)
أَنَّ رَسُولَ اللهِ ﷺ خَرَجَ مِنَ الْخَلَاءِ فَقُرِّبَ إِلَيْهِ طَعَامٌ فَقَالُوا أَلَا نَأْتِيكَ بِوَضُوءٍ؟ فَقَالَ أُصَلِّي فَأَتَوَضَّأُ؟