   constructor: (params) ->
     super
 
-    unless Grim.includeDeprecatedAPIs
-      @activePane = params?.activePane
+    @activePane = params?.activePane
 
     @emitter = new Emitter
     @subscriptions = new CompositeDisposable

{find, flatten} = require 'underscore-plus'
Grim = require 'grim'
{Emitter, CompositeDisposable} = require 'event-kit'
Serializable = require 'serializable'
Gutter = require './gutter'


  removedPaneItem: (item) ->
    @itemRegistry.removeItem(item)
