Go to your business page
Log into your facebook and access your business profile page
From the homepage, click on pages on the explore section on the left
Search for the place or business
Click on the business name you are wanting to remove reviews for.
Make sure you are on the Your Pages tab.
Access your page settings
Once you are on your business page, select settings at the top right.
Access review settings
On this page we need to access the review settings. To get there, click on edit page, then on the settings link next to reviews.
Turn off reviews on your page
Next to show reviews, there is a toggle. Click the toggle to the off position.
After clicking on save, your reviews will be off on your page.