How do I remove a library from staging

From Openembedded

Q: How do I remove a library from staging

A: Let's say you want to test whether a recipe fails to build from scratch. You suspect it needs library X. But you've already built and staged library X. Now what? Well, if you are using packaged staging, you can call bitbake -c clean $libX and any traces of that library should be removed from the staging area. If the recipe does indeed rely on libX (and no other dependency pulls it in), a subsequent bitbake $recipe will fail.