diff --git a/src/atom-package.coffee b/src/atom-package.coffee
index a53bcb414..3f8d5832a 100644
--- a/src/atom-package.coffee
+++ b/src/atom-package.coffee
@@ -212,7 +212,7 @@ class AtomPackage extends Package
 
   registerDeferredDeserializers: ->
     for deserializerName in @metadata.deferredDeserializers ? []
-      registerDeferredDeserializer deserializerName, =>
+      atom.deserializers.addDeferred deserializerName, =>
         @activateStylesheets()
         @requireMainModule()
 
diff --git a/src/root-view.coffee b/src/root-view.coffee
index fd8e02417..59168f105 100644
--- a/src/root-view.coffee
+++ b/src/root-view.coffee
@@ -38,7 +38,7 @@ Editor = require './editor'
 #
 module.exports =
 class RootView extends View
-  registerDeserializers(this, Pane, PaneRow, PaneColumn, EditorView)
+  atom.deserializers.add(this, Pane, PaneRow, PaneColumn, EditorView)
 
   @version: 1
 
diff --git a/src/window.coffee b/src/window.coffee
index 6db47344d..f3d0d7c0f 100644
--- a/src/window.coffee
+++ b/src/window.coffee
@@ -94,18 +94,12 @@ window.onerror = ->
   atom.openDevTools()
 
 #TODO remove once all packages use the atom global
-window.registerDeserializers = (args...) ->
-  atom.deserializers.add(args...)
 window.registerDeserializer = (args...) ->
   atom.deserializers.add(args...)
-window.registerDeferredDeserializer = (args...) ->
-  atom.deserializers.addDeferred(args...)
 window.unregisterDeserializer = (args...) ->
   atom.deserializers.remove(args...)
 window.deserialize = (args...) ->
   atom.deserializers.deserialize(args...)
-window.getDeserializer = (args...) ->
-  atom.deserializers.get(args...)
 window.requireWithGlobals = (args...) ->
   atom.requireWithGlobals(args...)