Wiktionary
comment out
vb. (context programming English) To disable a section of source code by converting it into a comment.
Usage examples of "comment out".
Their glances were, all the conversations stopped, the heads became and the expectation vibrated in the air like an electrical unloading, but Zack simply gave a roundup to avoid its woman and followed its way, stopping moments to speak with the assistant of Tony Newton and to comment out some intrascendentes with a pair of doubles.
I threw this comment out to see whether Jim would say anything about a ban on diving.
Sax did not want to say that their attempt had been botched, but he was afraid that she would read the comment out of his silence.