application offers a simple way to clear your search history
on the application's interface. Deleting your search history will reset the application's autofill settings so that no previous searches will be suggested.
This article will walk you through how to do so.
Delete Your Search History on Android's Gmail App
Launch your Gmail
app, and tap the Menu
key (represented by 3 vertical bars in the top-right corner).
Next, go to General Settings
and tap the Menu
key > Clear Search History
to delete your search history:
Image: © Google.