I want to clear deleted messages because my

Go to your message click and hold on tol the name/number and its going to say delete thread and it would delete all the text that you and that person talked about or if you dont want to delete the whole thing go to message click on the name/nuber and look for the message you would like to delete and click and on hold the message and you are going to see options and you are going to see delete message and it would not be there anymore.