You can delete various kinds of data from your Snapchat Settings, including Conversations, Contact Data, Lenses, Photoshoot Snaps, Search History, Scan History, Sticker Searches, Autofill, Shopping History, My Cameo Selfie, Top Locations, and Cache.
Follow these steps to delete your data:
- Tap the gear icon ⚙️ in My Profile to open Settings
- Scroll down to "Privacy Controls" and tap 'Delete Data'
- Choose what data that you want to delete