--- a/doc/tools/pyjsrest.py	Mon Jan 27 14:02:21 2014 +0100
+++ b/doc/tools/pyjsrest.py	Fri Mar 28 14:59:33 2014 +0100
@@ -142,7 +142,6 @@
 FILES_TO_IGNORE = set([
     'jquery.js',
     'jquery.treeview.js',
-    'jquery.json.js',
     'jquery.tablesorter.js',
     'jquery.timePicker.js',
     'jquery.flot.js',

--- a/web/data/cubicweb.ajax.js	Mon Jan 27 14:02:21 2014 +0100
+++ b/web/data/cubicweb.ajax.js	Fri Mar 28 14:59:33 2014 +0100
@@ -312,7 +312,7 @@
     $.extend(form, {
         'fname': fname,
         'pageid': pageid,
-        'arg': $.map(cw.utils.sliceList(arguments, 2), jQuery.toJSON)
+        'arg': $.map(cw.utils.sliceList(arguments, 2), JSON.stringify)
     });
     return form;
 }
@@ -745,7 +745,7 @@
     var props = {
         fname: fname,
         pageid: pageid,
-        arg: $.map(cw.utils.sliceList(arguments, 1), jQuery.toJSON)
+        arg: $.map(cw.utils.sliceList(arguments, 1), JSON.stringify)
     };
     var result = jQuery.ajax({
         url: AJAX_BASE_URL,
@@ -765,7 +765,7 @@
     var props = {
         fname: fname,
         pageid: pageid,
-        arg: $.map(cw.utils.sliceList(arguments, 1), jQuery.toJSON)
+        arg: $.map(cw.utils.sliceList(arguments, 1), JSON.stringify)
     };
     // XXX we should inline the content of loadRemote here
     var deferred = loadRemote(AJAX_BASE_URL, props, 'POST');

--- a/web/data/cubicweb.edition.js	Mon Jan 27 14:02:21 2014 +0100
+++ b/web/data/cubicweb.edition.js	Fri Mar 28 14:59:33 2014 +0100
@@ -26,7 +26,7 @@
         var args = {
             fname: 'prop_widget',
             pageid: pageid,
-            arg: $.map([key, varname, tabindex], jQuery.toJSON)
+            arg: $.map([key, varname, tabindex], JSON.stringify)
         };
         cw.jqNode('div:value:' + varname).loadxhtml(AJAX_BASE_URL, args, 'post');
     }

--- a/web/data/cubicweb.js	Mon Jan 27 14:02:21 2014 +0100
+++ b/web/data/cubicweb.js	Fri Mar 28 14:59:33 2014 +0100
@@ -384,7 +384,7 @@
      */
     strFuncCall: function(fname /* ...*/) {
 	    return (fname + '(' +
-		    $.map(cw.utils.sliceList(arguments, 1), jQuery.toJSON).join(',')
+		    $.map(cw.utils.sliceList(arguments, 1), JSON.stringify).join(',')
 		    + ')'
 		    );
     }

--- a/web/data/jquery.json.js	Mon Jan 27 14:02:21 2014 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,35 +0,0 @@
-(function($){function toIntegersAtLease(n)
-{return n<10?'0'+n:n;}
-Date.prototype.toJSON=function(date)
-{return date.getUTCFullYear()+'-'+
-toIntegersAtLease(date.getUTCMonth()+1)+'-'+
-toIntegersAtLease(date.getUTCDate());};var escapeable=/["\\\x00-\x1f\x7f-\x9f]/g;var meta={'\b':'\\b','\t':'\\t','\n':'\\n','\f':'\\f','\r':'\\r','"':'\\"','\\':'\\\\'}
-$.quoteString=function(string)
-{if(escapeable.test(string))
-{return'"'+string.replace(escapeable,function(a)
-{var c=meta[a];if(typeof c==='string'){return c;}
-c=a.charCodeAt();return'\\u00'+Math.floor(c/16).toString(16)+(c%16).toString(16);})+'"'}
-return'"'+string+'"';}
-$.toJSON=function(o)
-{var type=typeof(o);if(type=="undefined")
-return"undefined";else if(type=="number"||type=="boolean")
-return o+"";else if(o===null)
-return"null";if(type=="string")
-{return $.quoteString(o);}
-if(type=="object"&&typeof o.toJSON=="function")
-return o.toJSON();if(type!="function"&&typeof(o.length)=="number")
-{var ret=[];for(var i=0;i<o.length;i++){ret.push($.toJSON(o[i]));}
-return"["+ret.join(", ")+"]";}
-if(type=="function"){throw new TypeError("Unable to convert object of type 'function' to json.");}
-ret=[];for(var k in o){var name;var type=typeof(k);if(type=="number")
-name='"'+k+'"';else if(type=="string")
-name=$.quoteString(k);else
-continue;val=$.toJSON(o[k]);if(typeof(val)!="string"){continue;}
-ret.push(name+": "+val);}
-return"{"+ret.join(", ")+"}";}
-$.evalJSON=function(src)
-{return eval("("+src+")");}
-$.secureEvalJSON=function(src)
-{var filtered=src;filtered=filtered.replace(/\\["\\\/bfnrtu]/g,'@');filtered=filtered.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,']');filtered=filtered.replace(/(?:^|:|,)(?:\s*\[)+/g,'');if(/^[\],:{}\s]*$/.test(filtered))
-return eval("("+src+")");else
-throw new SyntaxError("Error parsing JSON, source is not valid.");}})(jQuery);
\ No newline at end of file

--- a/web/data/uiprops.py	Mon Jan 27 14:02:21 2014 +0100
+++ b/web/data/uiprops.py	Fri Mar 28 14:59:33 2014 +0100
@@ -10,7 +10,6 @@
 # Javascripts files to include systematically in HTML headers
 JAVASCRIPTS = [data('jquery.js'),
                data('jquery-migrate.js'),
-               data('jquery.json.js'),
                data('cubicweb.js'),
                data('cubicweb.compat.js'),
                data('cubicweb.python.js'),