delete (something) from (something)
To remove something, usually text, from something else. I think that my argument made more sense once I deleted that section from my paper. Dude, you've got to delete your ex-girlfriend's number from your phone, or else you'll just keep calling her.
delete something from something
to remove something from something; to cross something out from something. Will you please delete this paragraph from the contract? The line was deleted from the sales agreement.