So you’re doing the right thing and crafting internal links within your site to give the thing meaning and usefulness (or SEO)… but WordPress then adds superfluous trackbacks in the comments of the pages/posts your linking to…
There are plugins to prevent this (of course!) but there’s no need for them as it’s very simple thing to prevent; just stick with best-practice and make any internal links root-relative rather than absolute: ie link to
/example-post/ rather than
There’s an added advantage in that should you ever change your domain – all your links will stay good.