Deleting previous routes

🚧 THIS IS A TICKET MIGRATED FROM UPVOTY. The original ticket and comments will be available for a limited time over at:
https://abrp.upvoty.com/b/report-a-bug/deleting-previous-routes/
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It seems impossible to delete my previous routes, both on app as on the website. It shows the 'remove' icon but it is not possible to click on this icon and remove the routes I don't need anymore.