How to disable TFM

I am using nrf sdk v2.4.0 and I wanted to disable TFM so I added the following definition in prj.conf.


CONFIG_NRF_SECURITY=n
CONFIG_BUILD_WITH_TFM=n



But my program doesn't run properly and keeps rebooting. How can I disable TFM in 2.4.0 sdk and can you give me an example of how to disable TFM completely?

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