...

If a test case has multiple versions, you can delete a particular version of the test case.

Note: The test case version will be deleted from the project permanently. The action can not be reverted.

Open the test case detail page and click on the Delete icon at top right corner.

...

A. Test Case Grid View

B. Test Case Detail page

Note: The test case will be deleted from the project permanently. The action can not be reverted.

A. Deleting Test Case from Grid View

...

Delete Test Cases in Bulk

You can remove delete multiple test cases at a time through the Bulk Delete functionality. Bulk Delete will delete all versions of the test cases.

Note: Selected test case(s) will be deleted from the project permanently. The action can not be reverted.

Use Case: QA Manager finds a bunch of test cases which are not relevant to the planned release. Hence, they pick such test cases and apply Bulk Delete feature.

...