diff --git a/lib/edit/offlineFeaturesManager.js b/lib/edit/offlineFeaturesManager.js
index 64fe5f6..3745328 100644
--- a/lib/edit/offlineFeaturesManager.js
+++ b/lib/edit/offlineFeaturesManager.js
@@ -53,6 +53,7 @@ define([
             layer._applyEdits = layer.applyEdits;
             layer._addAttachment = layer.addAttachment;
             layer._queryAttachmentInfos = layer.queryAttachmentInfos;
+            layer._deleteAttachments = layer.deleteAttachments;
 
             try{
                 layer.offline = {
@@ -92,7 +93,7 @@ define([
             layer.addAttachment = function(objectId,formNode,callback,errback){
                 if( self.getOnlineStatus() == self.ONLINE)
                 {
-                    return this._sendAttachment("add",objectId,formNode,
+                    return this._addAttachment(objectId,formNode,
                         function(evt){
                             self.emit(self.events.ATTACHMENTS_SENT,arguments);
                             callback
@@ -114,7 +115,7 @@ define([
             layer.deleteAttachments = function(objectId,attachmentsIds,callback,errback){
                 if( self.getOnlineStatus() == self.ONLINE)
                 {
-                    var def = this._addAttachment(objectId,attachmentsIds,
+                    var def = this._deleteAttachments(objectId,attachmentsIds,
                         function()
                         {
                             self.emit(self.events.ATTACHMENTS_DELETED,arguments);
diff --git a/samples/attachments-editor.html b/samples/attachments-editor.html
index bc4c0c8..f7223aa 100644
--- a/samples/attachments-editor.html
+++ b/samples/attachments-editor.html
@@ -55,6 +55,8 @@
     <script src="http://js.arcgis.com/3.8/"></script>
     <script src="../vendor/offline/offline.min.js"></script>
     <script>
+    "use strict";
+
         var map;
 
         require([