Template issue 3rd party

[Adlago]

After removing themes from the 3rd party, in the core_global of the default theme, I see the templates created by the 3rd party theme. They have not been removed after removing this theme from my installation. I enabled a Designers'mode and removed these templates. After synchronize changes , these templates are restored to a default theme.

Any idea how to remove these templates I appreciate.
thanks

[Adlago]

Solved.

Deleting tables in a database "core_theme_templates" for these templates solves this issue.

I think that 3rd-party developers should consider not only the installation and functionality of their software, but also for full uninstallation, when used. Only then will this be the software number 1.