I clone my theme to set child theme. I deleted child theme folders in app/design/frontend/ and app/code//ThemeOptions/fixtures but in admin backend it's not removed. I flush cache , Please let me know how to remove my custom child theme.

  • Delete entry from theme table. – anonymous Oct 2 '19 at 9:19
  • i tried it shows error "Theme isn't deletable." – Priya Oct 2 '19 at 9:21

You can try this :

mysql -u <user> -p -e "delete from <dbname>.theme where theme_path ='<Vendor>/<theme>' AND area ='frontend' limit 1"

Reference from : https://devdocs.magento.com/guides/v2.3/frontend-dev-guide/themes/theme-uninstall.html

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  • can i delete using SSH.? – Priya Oct 2 '19 at 9:22
  • Yes , you can read the reference as well , check manual deletion step and follow . – Shashank Gupta Oct 2 '19 at 9:25

1. login via SSH and execute:

php bin/magento theme:uninstall frontend/your/theme && php bin/magento cache:flush

2. open the database and open the table "theme" and delete the theme entry.

3. execute the following SQL query:

SELECT * FROM `core_config_data` WHERE path LIKE "%theme_id%"

And set the value to "1" to reset to "Magento Base" Theme.

Now you should be able to change your theme in the backend in "Content -> Design -> Configuration"

4. Flush cache again

php bin/magento cache:flush
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