I heard the Messenger of Allah ﷺ say: If any of you does not leave mukhabarah, he should take notice of war from Allah and His Apostle ﷺ.
سَمِعْتُ رَسُولَ اللَّهِ ﷺ يَقُولُ مَنْ لَمْ يَذَرِ الْمُخَابَرَةَ فَلْيَأْذَنْ بِحَرْبٍ مِنَ اللَّهِ وَرَسُولِهِ