Crossword Genius

Gets rid of some undesirable characters? (7)

Ross

I believe the answer is:

deletes

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This clue could be a double definition.

'gets rid of' is the first definition.
The definition and answer can be both related to change as well as being verbs in their -s form.
Maybe there's an association between them I don't understand?

'some undesirable characters?' is the second definition.
The definition and answer can be both to do with contact as well as being verbs in their -s form.
Maybe there's an association between them I don't understand?

Can you help me to learn more?

(Other definitions for deletes that I've seen before include "Erases" , "Crosses out" .)

I've seen this clue in the Evening Standard.
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