# How to freeze layers using trainer?

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**Category:** Beginners\
**Created:** [March 19, 2021, 11:44am UTC](/static-proxy?url=https%3A%2F%2Fdiscuss.huggingface.co%2Ft%2Fhow-to-freeze-layers-using-trainer%2F4702 "2021-03-19T11:44:58Z")\
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**Author:** ![sgugger](https://sea2.discourse-cdn.com/hellohellohello/user_avatar/discuss.huggingface.co/sgugger/32/2291_2.png) [@sgugger](/static-proxy?url=https%3A%2F%2Fdiscuss.huggingface.co%2Fu%2Fsgugger)%5C
**Post date:** [March 19, 2021, 4:37pm UTC](/static-proxy?url=https%3A%2F%2Fdiscuss.huggingface.co%2Ft%2Fhow-to-freeze-layers-using-trainer%2F4702%2F7 "2021-03-19T16:37:39Z")

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You should inspect the weights to see where they difer then. `Trainer` will not change the `requires_grad` value of your parameters.

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