Hiding the Tempo Panel
By default, the Tempo panel is displayed on issue screens when the user has permission to work on the issue and has used Tempo before.

Tempo Admins can disable or enable the Tempo Panel in Jira issues via Tempo Settings | Configuration | Logging Time | Show Tempo in the Jira Issue View
When checked, the Tempo Panel will appear by default on issue screens when the user has permission to work on the issue and has used Tempo before.
When unchecked, users can still access the Tempo Panel via the Apps dropdown on the issue screen.