You may occasionally need to completely delete a study; for example, if the study is invalid or corrupt.
 | CAUTION! You cannot recover a deleted study. Use extreme caution when deleting studies—particularly when deleting all instances of a study. |
To delete studies from all caches and archives
On the Daily tab, click Study Manager.
From the list, select the studies to delete.
Click Delete completely.
Confirm that you want to delete the selected studies completely.