Extreme poor performance of "Form Submissions Cleanup" Schedule Job

EPiServer Forms: 4.25.0
EPiserver CMS: 11.12.0

For us, 'Form Submissions Cleanup' job takes 45 mins and more 

Consumes 45% of DTU. Wondering is it same for any of you also? 

(Investigations are in progress)

Best Regards
Khurram