"Brought code" is not a word or phrase that has a traditionally established meaning. Therefore, antonyms for it cannot be specified in the way that one would for common terms. However, one can take note of the two words individually and consider antonyms that apply to them. "Brought," in its simplest sense, is a past tense of the verb "bring." An antonym for "bring" could be "take" or "remove." "Code," depending on how it's used, could have different antonyms. For example, if it refers to programming code, an antonym could be "plain text." Ultimately, antonyms for "brought code" would depend on the intended meaning of the term.