To replace or delete your transcript, go to the Academic page of your application and click on your school name in the "Institution" section at the top. At the bottom of the dialogue box you will see the options to replace or delete the document that you uploaded.
To replace or delete a test score report, go to the Testing and Honors page of your application. You will see the replace and delete options in the "Submit Text Score Report" section. Please note that if you have uploaded multiple test score reports, the replace and delete options will be applied to the most recent file that you uploaded. You will also only be able to upload a single file from this page. To upload or delete additional test score reports, click on "Upload, preview, or delete additional test score reports" at the bottom of the "Submit Test Score Report" section.