Byebye domains

* 'cb' is defined but never used.
* 'changes' is defined but never used.
* 'document' is defined but never used.
* 'path' is defined but never used.
* 'cb' is defined but never used.
* 'changes' is defined but never used.
* 'document' is defined but never used.
* 'path' is defined but never used.