```cmake
hunter_config(GTest VERSION 1.8.0-hunter-p5)
hunter_config(glog VERSION 0.3.4-p2)
hunter_config(Boost VERSION 1.63.0)
hunter_config(OpenSSL VERSION 1.1.0e)
```

Remove version requirements of unused libraries
user
```cmake
hunter_config(GTest VERSION 1.8.0-hunter-p5)
hunter_config(Boost VERSION 1.63.0)
```
assistant