Problem
Users cannot see the Remove Sync Data option for journal entries due to missing permissions in their user profile.
Solution
Enable the Journal Entries permission in Enterprise Hub
As an Administrator user, log into Enterprise Hub.
Click User Management.
In the side panel, click Roles.
Select the role that needs permission updates.
In the ServiceTitan permissions tab, enable the Can View & Edit permission for Journal Entries.

Save changes.
Remove sync data to delete the entry from QuickBooks. For more, see Remove journal entry sync data.