If you no longer need to use a package in your code, we recommend uninstalling it and removing it from your project's dependencies.
To remove a package from your node_modules directory, on the command line, use the uninstall command. Include the scope if the package is scoped.
npm uninstall <package_name>
npm uninstall <@scope/package_name>
npm uninstall lodash
package.json dependenciesTo remove a package from the dependencies in package.json, use the --save flag. Include the scope if the package is scoped.
npm uninstall --save <package_name>
npm uninstall --save <@scope/package_name>
npm uninstall --save lodash
Note: If you installed a package as a "devDependency" (i.e. with --save-dev), use --save-dev to uninstall it:
npm uninstall --save-dev package_name
To confirm that npm uninstall worked correctly, check that the node_modules directory no longer contains a directory for the uninstalled package(s).
ls node_modules
dir node_modules
To uninstall an unscoped global package, on the command line, use the uninstall command with the -g flag. Include the scope if the package is scoped.
npm uninstall -g <package_name>
npm uninstall -g <@scope/package_name>
For example, to uninstall a package called jshint, run:
npm uninstall -g jshint
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https://docs.npmjs.com/uninstalling-packages-and-dependencies