This article explains how we can remove History old value data from AIO reports where old value is empty.
Instructions
Create a new calculated field by navigating to AIO Reports → My Area → My Calculated Fields & click Create New Field button.
Configure the Calculated field as below.
3. Add the field to report and configure the filter as below
4. Choose Hide Option to not show this data in the report.
Ensure to have proper permission to create AIO Report.
You can customize the report by adding new fields.