Most blog themes present hyperlinks on the titles of single post pages. Since they are pointing exactly to the current page, some seo experts prefer not to have hyperlink on those titles saying the hyperlink might also cause some crawling problems for search engines, messing with the indexation of those pages. This may not totally true however some may choose whether to remove hyperlink from single post title with these simple steps.
You can remove this hyperlink by going into your favourite theme editor. Eg; Dreamweaver or notepad++ and look for the single.php file.
Open it and search for the line that should be something like this: