Due to reuse of existing IP, not all files read by quartus are necessary. Is it possible to list which files are not used? The synthesis source files read report doc seems to indicate that it includes this information but in QII Pro 20.2 I cannot find it.
Since your question has been addressed, I now transition this thread to community support. If you have a new question, feel free to open a new thread to get the support from Intel experts. Otherwise, the community users will continue to help you on this thread. Thank you.