diff -r 697a8181ba30 -r ce338133c92c web/webconfig.py
--- a/web/webconfig.py	Mon Aug 26 16:14:09 2013 +0200
+++ b/web/webconfig.py	Mon Aug 26 16:15:29 2013 +0200
@@ -401,7 +401,7 @@
             self._load_ui_properties_file(uiprops, path)
         self._load_ui_properties_file(uiprops, self.apphome)
         datadir_url = uiprops.context['datadir_url']
-        # XXX pre 3.9 css compat
+        # pre 3.9 css compat, however the old css still rules
         if self['use-old-css']:
             if (datadir_url+'/cubicweb.css') in uiprops['STYLESHEETS']:
                 idx = uiprops['STYLESHEETS'].index(datadir_url+'/cubicweb.css')
@@ -413,21 +413,6 @@
             uiprops['JAVASCRIPTS'].insert(0, cubicweb_js_url)
 
     def _load_ui_properties_file(self, uiprops, path):
-        resourcesfile = join(path, 'data', 'external_resources')
-        if exists(resourcesfile):
-            warn('[3.9] %s file is deprecated, use an uiprops.py file'
-                 % resourcesfile, DeprecationWarning)
-            datadir_url = uiprops.context['datadir_url']
-            for rid, val in read_config(resourcesfile).iteritems():
-                if rid in ('STYLESHEETS', 'STYLESHEETS_PRINT',
-                           'IE_STYLESHEETS', 'JAVASCRIPTS'):
-                    val = [w.strip().replace('DATADIR', datadir_url)
-                           for w in val.split(',') if w.strip()]
-                    if rid == 'IE_STYLESHEETS':
-                        rid = 'STYLESHEETS_IE'
-                else:
-                    val = val.strip().replace('DATADIR', datadir_url)
-                uiprops[rid] = val
         uipropsfile = join(path, 'uiprops.py')
         if exists(uipropsfile):
             self.debug('loading %s', uipropsfile)