short code – WordPress keeps inserts automatically

I am using the plugin & # 39; SyntaxHighlighter Evolved & # 39; in WordPress and when I create a block of code, insert a
. If I put everything in one line, of course, I would not insert them. I want to be able to have a block of code with several lines without the
.

This is what I am writing:

This is what the preview shows:

How do I eliminate the
Keeping the new lines?