The linkage of test cases with the test suite can be removed while editing the test suite.
Steps :
- Go to the Test Cases section on the Test Suite detail > Test Cases screen.
- Select the required test cases you want to unlink from the test suite.
- Click on the Unlink Selected button.
Note: If you are unlinking test cases after execution, then it will remove all the executions associated with the test suite for all the releases, cycles and platforms.