diff --git a/chrome_point_plus/js/bquery_ajax.js b/chrome_point_plus/js/bquery_ajax.js
deleted file mode 100644
index 72a7603..0000000
--- a/chrome_point_plus/js/bquery_ajax.js
+++ /dev/null
@@ -1,113 +0,0 @@
-/**
- * @deprecated since 1.36.0
- */
-function $ajax_prot(settings){
- if (settings==undefined){return;}
- if (settings['url']      ==undefined){return;}this.url=settings['url'];
- if (settings['async']   !==undefined){this.async   =settings['async'];}
- if (settings['type']    !==undefined){this.type    =settings['type'];}
- if (settings['postdata']!==undefined){this.postdata=settings['postdata'];}
- if (settings['dont_set_content_type']!==undefined){
-     this.dont_set_content_type=settings['dont_set_content_type'];
- }
-
- this.xhr=new XMLHttpRequest();
- this.xhr.parent  =this;
- this.xhr.settings=settings;
- this.xhr.success =settings['success'];
- this.xhr.error   =settings['error'];
- this.xhr.onreadystatechange=this.change;
- this.xhr.open(this.type, this.url, this.async);
- if ((this.type=='POST')&& !this.dont_set_content_type){
-  this.xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
- }
- if (settings.headers!==undefined){
-  for (var i=0;i<settings.headers.length;i++){
-   this.xhr.setRequestHeader(settings.headers[i][0], settings.headers[i][1]);
-  }
- }
- this.xhr.send(this.postdata);
-}
-
-$ajax_prot.prototype={
- version: '0.0.5a',
- url:     '',
- type:    'GET',
- async:   true,
- postdata:null,
- xhr:     null,
- dont_set_content_type: false,
- change:function(){
-  if (this.readyState!==4){return;}
-  if (this.status==200){
-   if (this.success!==undefined){this.success(this.responseText,this.textStatus,this);}
-  }else{
-   if (this.error  !==undefined){this.error(this.responseText,this.textStatus,this);}
-  }
- }
-}
-
-$ajax=function (settings){return new $ajax_prot(settings);}
-
-/**
- * @deprecated since 1.36.0
- */
-function urlencode(text){return encodeURIComponent(text);}
-
-/**
- * @deprecated since 1.36.0
- */
-function sad_safe_reg(text){
- var ar='.-\\/[]{}?+';
- var s=''; for (var i=0;i<text.length;i++){
-  if ((' '+ar).indexOf(text[i])>0){
-   s+='\\'+text[i];
-  }else{
-   s+=text[i];
-  }
- }
- return s;
-}
-
-/**
- * @deprecated since 1.36.0
- */
-function sad_xml_getnode(node,path){//node as domNode
- if ('' ==path){return node;}
- if ('#'==path){return node.textContent || node.text;}
- 
- var ri=new RegExp('^([a-z0-9.:_-]*)(\\|[0-9]+)?(/?(.*))?','i');
- var t=path.match(ri);
- if (t[1].length<1){return undefined;}
- if (t[2]==undefined){t[2]='';}
- if (t[4]==undefined){t[4]='';}
- 
- var k=parseInt(t[2].substr(1));
- if (!(k>0)){k=1;}
- var r=new RegExp('^'+sad_safe_reg(t[1])+'$');
- for (var i=0;i<node.childNodes.length;i++){
-  if (r.test(node.childNodes[i].nodeName)){
-   k--;if (k==0){return sad_xml_getnode(node.childNodes[i],t[4]);}
-  }
- }
- return undefined;
-}
-
-/**
- * @deprecated since 1.36.0
- */
-function sad_xml_attribute(node,name){
- if (node==undefined){return undefined;}
- var r=new RegExp('^'+sad_safe_reg(name)+'$','i');
- for (var i=0;i<node.attributes.length;i++){
-  if (r.test(node.attributes[i].nodeName)){return node.attributes[i].nodeValue;}
- } 
- return '';
-}
-
-/**
- * @deprecated since 1.36.0
- */
-function sad_x2n(xml){
- return xml.responseXML.childNodes[xml.responseXML.childNodes.length-1];
-}
diff --git a/chrome_point_plus/manifest.json b/chrome_point_plus/manifest.json
index 49d9ad9..93662b2 100644
--- a/chrome_point_plus/manifest.json
+++ b/chrome_point_plus/manifest.json
@@ -27,18 +27,16 @@
         {
             "matches": ["http://*.point.im/*", "https://*.point.im/*"],
             "js": [
-                    "vendor/jquery/jquery.min.js",
+                "vendor/jquery/jquery.min.js",
 
-                    "js/bquery_ajax.js",
+                "js/options-manager.js",
+                "js/message-sender.js",
 
-                    "js/options-manager.js",
-                    "js/message-sender.js",
-
-                    "js/point-plus.js"
-                    ],
+                "js/point-plus.js"
+            ],
             "css": [
-                    "css/point-plus.css"
-                    ],
+                "css/point-plus.css"
+            ],
             "run_at": "document_end"
         }
     ],