KDE Plasma search - bookmarks are displayed although function is deactivated

Plasma Search. Although I have deactivated “Find and retrieve bookmarks” in the Plasma search settings, bookmarks are still displayed in the search results.

I have used these commands

balooctl6 disable
balooctl6 purge
balooctl6 enable

Then the bookmarks disappear for some time. But when the search database is recreated completely, they are then visible again as a search result.

Where is the catch?

Maybe it’s your browser history.

No, it can’t be. . See attachment.
Browser_history