diff --git a/packages/ember-data/lib/system/record_arrays/many_array_states.js b/packages/ember-data/lib/system/record_arrays/many_array_states.js
deleted file mode 100755
index 5c4ef4f50a3..00000000000
--- a/packages/ember-data/lib/system/record_arrays/many_array_states.js
+++ /dev/null
@@ -1,140 +0,0 @@
-var get = Ember.get, set = Ember.set, guidFor = Ember.guidFor;
-
-var Set = function() {
-  this.hash = {};
-  this.list = [];
-};
-
-Set.prototype = {
-  add: function(item) {
-    var hash = this.hash,
-        guid = guidFor(item);
-
-    if (hash.hasOwnProperty(guid)) { return; }
-
-    hash[guid] = true;
-    this.list.push(item);
-  },
-
-  remove: function(item) {
-    var hash = this.hash,
-        guid = guidFor(item);
-
-    if (!hash.hasOwnProperty(guid)) { return; }
-
-    delete hash[guid];
-    var list = this.list,
-        index = Ember.EnumerableUtils.indexOf(this, item);
-
-    list.splice(index, 1);
-  },
-
-  isEmpty: function() {
-    return this.list.length === 0;
-  }
-};
-
-var LoadedState = Ember.State.extend({
-  recordWasAdded: function(manager, record) {
-    var dirty = manager.dirty, observer;
-    dirty.add(record);
-
-    observer = function() {
-      if (!get(record, 'isDirty')) {
-        record.removeObserver('isDirty', observer);
-        manager.send('childWasSaved', record);
-      }
-    };
-
-    record.addObserver('isDirty', observer);
-  },
-
-  recordWasRemoved: function(manager, record) {
-    var dirty = manager.dirty, observer;
-    dirty.add(record);
-
-    observer = function() {
-      record.removeObserver('isDirty', observer);
-      if (!get(record, 'isDirty')) { manager.send('childWasSaved', record); }
-    };
-
-    record.addObserver('isDirty', observer);
-  }
-});
-
-var states = {
-  loading: Ember.State.create({
-    isLoaded: false,
-    isDirty: false,
-
-    loadedRecords: function(manager, count) {
-      manager.decrement(count);
-    },
-
-    becameLoaded: function(manager) {
-      manager.transitionTo('clean');
-    }
-  }),
-
-  clean: LoadedState.createWithMixins({
-    isLoaded: true,
-    isDirty: false,
-
-    recordWasAdded: function(manager, record) {
-      this._super(manager, record);
-      manager.goToState('dirty');
-    },
-
-    update: function(manager, clientIds) {
-      var manyArray = manager.manyArray;
-      set(manyArray, 'content', clientIds);
-    }
-  }),
-
-  dirty: LoadedState.createWithMixins({
-    isLoaded: true,
-    isDirty: true,
-
-    childWasSaved: function(manager, child) {
-      var dirty = manager.dirty;
-      dirty.remove(child);
-
-      if (dirty.isEmpty()) { manager.send('arrayBecameSaved'); }
-    },
-
-    arrayBecameSaved: function(manager) {
-      manager.goToState('clean');
-    }
-  })
-};
-
-DS.ManyArrayStateManager = Ember.StateManager.extend({
-  manyArray: null,
-  initialState: 'loading',
-  states: states,
-
-  /**
-   This number is used to keep track of the number of outstanding
-   records that must be loaded before the array is considered
-   loaded. As results stream in, this number is decremented until
-   it becomes zero, at which case the `isLoaded` flag will be set
-   to true
-  */
-  counter: 0,
-
-  init: function() {
-    this._super();
-    this.dirty = new Set();
-    this.counter = get(this, 'manyArray.length');
-  },
-
-  decrement: function(count) {
-    var counter = this.counter = this.counter - count;
-
-    Ember.assert("Somehow the ManyArray loaded counter went below 0. This is probably an ember-data bug. Please report it at https://github.com/emberjs/data/issues", counter >= 0);
-
-    if (counter === 0) {
-      this.send('becameLoaded');
-    }
-  }
-});