When you delete a custom big object, Salesforce doesn’t add it to the Recycle Bin. Instead, deleted big objects appear in the Deleted Objects list for 15 days. During this time, the big object and its data are soft deleted, meaning you can restore or permanently erase (flag for hard delete) the big object and its data. After 15 days, the big object and its data are automatically flagged for hard delete.
Salesforce runs a background job to completely remove big objects that have been flagged for hard-delete from your org. The job doesn’t run immediately, but you can’t access these large objects because they no longer appear in the Deleted Objects list.
Soft-deleted big objects and their data always count against your org’s limits. Big objects that are flagged for hard delete, but the background job hasn’t yet removed, also count. After the background job removes these big objects, they no longer count against your org’s limit.
- From Setup, enter Big Objects in the Quick Find box, then select Big Objects.
- Click Del next to the object that you want to delete.
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When prompted, select the Yes, I want to delete the Big Object
checkbox to confirm and click Delete.
The big object is soft deleted and remains in the Deleted Objects list for 15 days.
- To permanently erase (flag for hard-delete) the big object, click Deleted Big Object.
- Click Erase next to the big object you want to permanently erase.
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When prompted, select the Yes, I want to permanently delete the Big
Object checkbox to confirm and click Delete.
The big object is flagged for hard-delete and can no longer be restored.