Delete unused file from project problem

I’m working on Gear VR project and last time I cloned it due to rename purpose. Now, everytime when I start build apk from editor in log there are a lot of warnings about missing sources. I think that after rename some of files (which I already don’t have in project) are in cache or something like this. Is there an option to delete unused file? I also tried to remove some cache file in Intermediate folder but it didn’t help at all. (sorry for english, still learn it)

Did you fix up the redirectors after renaming your files perhaps?