On Facebook's mobile app, the process is more or less the same.
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Use the Clear Searches tool in your Activity Log to delete your Facebook search history.
Two Methods:Website Mobile App Community Q&A. Facebook keeps a record of everything that you enter into the Facebook Search bar as a way to
How to delete search history from Google. If you’re signed into Gmail (or any other Google-related service) and you make a search query using Google
Earlier we mentioned about how to view and delete Facebook search history from Web and today we are going to share about how to achieve the same with Facebook mobile App as most of the users are using Facebook App instead of Facebook on Web.
Now Facebook is following suit, allowing you to view and delete all or part of your search history through the profile Activity Log.
To delete Youtube search history, you’ll be taken to the Youtube app’s settings page where you can hit the Clear button.
3. Delete your Twitter search history. Twitter tracks your searches on your mobile device, and it stores your location information.