When using the style guide's autocomplete (https://styleguide.vtex.com/#/Components/Forms/AutocompleteInput) component it presents a bug after deleting the search term.

Simulation

Try writing a term to search for:

Delete the term completely, you'll see that the first letter of the term will appear again:

You can test it on the documentation example: https://styleguide.vtex.com/#/Components/Forms/AutocompleteInput

Workaround

N/A