From Sahih Bukhari (Hadith 5992):
Narrated Hakim bin Hizam:That he said, "O Allah's Messenger (ﷺ)! What do you think about my good deeds which I used to do during the period of ignorance (before embracing Islam) like keeping good relations with my Kith and kin, manumitting of slaves and giving alms etc; Shall I receive the reward for that?" Allah's Messenger (ﷺ) said, "You have embraced Islam with all those good deeds which you did
Reference: Bukhari 5992