This instructs you exactly how to ask Facebook to eliminate reviews from a service Web page. Facebook will just delete reviews that break their Community Criteria.
How To Remove A Review On Facebook
Actions
1. Open up Facebook. It's heaven symbol with a white "f" in the app cabinet.
2. Most likely to the review you want to remove.
3. Tap the downward-pointing arrow. It goes to the top-right corner of the review. [1]
4. Click Report.
5. Select a factor. The review will just be removed if it breaches Facebook's Community Standards. [2] Once you select a factor, comply with the on-screen guidelines to send your request.