File: //lib/python3/dist-packages/awscli/examples/iam/deactivate-mfa-device.rst
**To deactivate an MFA device**
This command deactivates the virtual MFA device with the ARN ``arn:aws:iam::210987654321:mfa/BobsMFADevice`` that is associated with the user ``Bob``::
aws iam deactivate-mfa-device --user-name Bob --serial-number arn:aws:iam::210987654321:mfa/BobsMFADevice
For more information, see `Using Multi-Factor Authentication (MFA) Devices with AWS`_ in the *Using IAM* guide.
.. _`Using Multi-Factor Authentication (MFA) Devices with AWS`: http://docs.aws.amazon.com/IAM/latest/UserGuide/Using_ManagingMFA.html