"consider deleting" is correct and usable in written English.
You can use it when you are encouraging someone to consider the option of deleting something. For example: "If your computer is running slowly, you should consider deleting some of the programs you don't use."
Consider deleting old email, or at least downloading it and storing it offline on a portable hard drive.
Graticules include 180-degree east and west meridians (consider deleting one of these to avoid duplicate lines).
If you're running out of space, you should consider deleting unnecessary programs or moving files you no longer need to an external drive.
Finally, users can consider deleting all cookies, then setting their Web browsers to block third-party cookies to weaken cross-site tracking.
On Monday night, the performers gave an intimate performance on Capitol Hill for lawmakers who might consider deleting that loan guarantees from the energy bill.
Boil a paragraph down to main points, consider deleting redundant information, and present ideas as bullet points or lists rather than paragraphs.
New York Mayor Bill de Blasio is already considering deleting his city's own database of undocumented immigrants.
Mr. Tucker considered deleting his tweet about the buses, but Mr. Trump's message emboldened him.
After hitting Tweet, she feels a surge of adrenaline and considers deleting the message, but for whose benefit?
The newly acquired manuscript shows the deletions, revisions and repetitions he made, revealing that at one point he even considered deleting the poem's famous ending.
You might have considered deleting Facebook after the social network confessed that Cambridge Analytica, a political consulting firm, had improperly obtained the data of millions of users.
