Currently keyboard 'delete' button does not work on elements (Field, Text, etc) of Reports. The button works for e.g. Forms. Reproducible: Always Steps to Reproduce: 1. Create a new Report and put into label. 2. Focus on the label and try delete with keyboard 'delete' button. Actual Results: Label is not deleted. Expected Results: Label should be deleted.
https://bugs.kde.org/show_bug.cgi?id=334967 contains this issue I think. There's even code: https://git.reviewboard.kde.org/r/119368/ but this is ongoing effort as we want reuse the standard (configurable) actions' shortcuts.
*** This bug has been marked as a duplicate of bug 334967 ***