How to remove unused dependencies from composer? -

How to remove unused dependencies from composer? -

i installed bundle composer, , installed many other packages dependencies.

now uninstalled main bundle composer remove packageauthor/packagename, old dependencies not removed. expected composer clean , maintain packages required according composer.json , dependencies.

how can forcefulness composer clean , remove unused packages ?

the right way is:

composer remove jenssegers/mongodb --update-with-dependencies

i must admit flag here not quite obvious do.

composer-php