Hello,
I wanted to clean up my webflow database automatically, and potentially on a recurring basis.
Here is a quick tutorial as I had a complicated process and finally understood how to simplify it.
It’s really simple but worth mentioning as searching for “remove duplicates in webflow” in google yields you nothing.
1. Pull all collection items from webflow
2. Remove duplicates from the list
3. Find overlap between table from webflow and table from step 2 ( 
using the slug ) to create a list of entries to delete
4. Send to webflow for deletion
The overall process should look something like this :
Hope it can help someone!
Have a good day
(please make the arrow use 4 anchor points around the step for the maniacs of clean flows like me)