Multiple instances of Mobx in v4

I am using

 "mobx": "^4.3.1",
    "mobx-react": "^5.2.3",
    "react": "16.3.1",
    "react-native": "~0.55.2",
    "react-native-router-flux": "^4.0.0-beta.31"

and I have gotten the multiple instances since I was already using mobx in react native for routing. I tackled this ( or at least I think I tackled this) by the instruction provided by the author of react-native-router-flux, which is to search for duplication of mobx in modules, and sure there were 2 extra in react-native-router-flux’s node module folder. package.json also contained a lower version of mobx and mobx-react , I believe v3 or mobx. so I deleted both folders and the dependency in the package.json and refreshed. the warning of multiple instances went away. but I have some concerns now.

1. Npm install brings back both folders of mobx and mobx-react to the module folder of react-native-router-flux. How can I make sure these 2 dependencies will never come back since I deleted the line in react-native-router-flux’s package.json as dependency but they still get installed after npm install.

2. Why the mobx and mobx-react exist in the module folder of react-native-router-flux, and if of course they are handling some actions will they be interrupted because I have deleted the folders manually ?

[aTable]

I guess it’s an unofficial beta at this stage

npm i react-native-router-flux@4.0.0-beta.32

[aksonov]

Latest version no longer uses mobx, closing it.