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Deleting Flywheel Data

Introduction

Due to the sensitive nature of data in Flywheel, not all items are able to be deleted. This article explains which data can be deleted and how to do it.

If you delete something by accident, contact support (support@flywheel.io) for assistance recovering the data.

Instruction Steps

Projects

You must be a Project Admin to delete a project.

  1. Click Projects, and select a project.
  2. Click Delete Project

15e25c1bd6efc8.png

Subjects

To delete a subject, you must have read/write permissions for the project.

  1. Click Projects, and select the project that includes the subject.
  2. Click the Sessions tab.
  3. Click 15e25c1bd7791c.png to enable subject view and organize the sessions by subject. This is helpful to see which sessions are associated with the subject. These sessions will also be deleted when you delete the subject.

  4. Select the subject.

    15e25c1bd7ebcb.png

  5. In the Subject tab, click 15e25c1bd85fd3.png.

  6. Confirm you want to delete the subject.

Sessions

To delete a session, you must have read/write permissions for a project.

  1. Click Sessions in the left menu.
  2. Filter or sort data to find the sessions you are looking for.
  3. Select one or more sessions.
  4. Go to Actions, and select Delete Data.
  5. Confirm you want to delete data.

Deleting a session also deletes the acquisitions associated with that session.

Acquisitions

To delete an acquisition, you must have read/write permissions for a project.

  1. Click Projects, and select a project.
  2. Click Sessions.
  3. Select a session, and click the Acquisitions tab.

  4. Select an acquisition.

    15e25c1bd8ce28.png

  5. Click the menu 15e25c1bd97cd5.png, and choose Delete Acquisition.

  6. Click Delete to confirm you want to delete the acquisition.

SDK

You can also use the Flywheel SDK to delete data. See our Python and Matlab documentation for more information.

Items that Can Not Be Deleted in Flywheel

To ensure reproducibility and to keep logs of what happens to data in Flywheel, certain items in Flywheel cannot be deleted by Flywheel admins. These items are:

  • Analyses
  • Flywheel Users: You can disable users to prevent them from signing in and to hide them from view
  • Gears: Contact Flywheel support (support@flywheel.io) to remove unwanted gears

If there are other items that you are unable to delete, it may be because you do not have the proper permissions.