code: function( root ) {
  
  		var rootUuid = root.uuid,
  			actionsByClip = this._actionsByClip;
  
  		for ( var clipUuid in actionsByClip ) {
  
  			var actionByRoot = actionsByClip[ clipUuid ].actionByRoot,
  				action = actionByRoot[ rootUuid ];
  
  			if ( action !== undefined ) {
  
  				this._deactivateAction( action );
  				this._removeInactiveAction( action );
  
  			}
  
  		}
  
  		var bindingsByRoot = this._bindingsByRootAndName,
  			bindingByName = bindingsByRoot[ rootUuid ];
  
  		if ( bindingByName !== undefined ) {
  
  			for ( var trackName in bindingByName ) {
  
  				var binding = bindingByName[ trackName ];
  				binding.restoreOriginalState();
  				this._removeInactiveBinding( binding );
  
  			}
  
  		}
  
  	}
docs: free all resources specific to a particular root target object