Question

We are checking the certification of the included libraries. It is taking too long to load the secured DLL. How to remove the certificate?

Answer

It is possible to unsign the DLL. There is a general approach on that matter:
https://stackoverflow.com/questions/341168/can-i-remove-a-digital-signature-from-a-dll

You can use some third party tools as well:

https://www.fluxbytes.com/software-releases/fileunsigner-v1-0/ It’s very easy to use.

https://docs.microsoft.com/en-us/windows-hardware/drivers/dashboard/get-a-code-signing-certificate