Contributed tabs can only be deleted by tab moderators. Please post your request in this UG Authors’ Community thread:
How to access UG Authors’ Community:
Please note that the forum is available only via the website and is not accessible in the app.
Open the Ultimate Guitar website, ensure you are logged into your account, and select Forum from the main menu
Scroll down to find UG Authors' Community, or use the search function or the Search by keyword field, enter UG Authors' Community
Click the search button and select the relevant result
Open the appropriate thread and post your request there
Note: Support cannot delete tabs or submit requests on your behalf
Important: You must access the community and relevant forums from the account where your contribution and tab are attached.