diff -r e651d5f24cb5 -r b01dd0ef43aa cubicweb/web/views/basecontrollers.py
--- a/cubicweb/web/views/basecontrollers.py	Wed Mar 13 13:37:49 2019 +0100
+++ b/cubicweb/web/views/basecontrollers.py	Thu Mar 14 14:43:18 2019 +0100
@@ -19,60 +19,18 @@
 object to handle publication.
 """
 
-
-from cubicweb import _
-
-from warnings import warn
-
 from six import text_type
 from six.moves import http_client
 
-from logilab.common.deprecation import deprecated
-
 from cubicweb import (NoSelectableObject, ObjectNotFound, ValidationError,
                       AuthenticationError, UndoTransactionException,
                       Forbidden)
 from cubicweb.utils import json_dumps
 from cubicweb.predicates import (authenticated_user, anonymous_user,
                                 match_form_params)
-from cubicweb.web import Redirect, RemoteCallFailed
-from cubicweb.web.controller import Controller, append_url_params
+from cubicweb.web import Redirect
+from cubicweb.web.controller import Controller
 from cubicweb.web.views import vid_from_rset
-import cubicweb.transaction as tx
-
-@deprecated('[3.15] jsonize is deprecated, use AjaxFunction appobjects instead')
-def jsonize(func):
-    """decorator to sets correct content_type and calls `json_dumps` on
-    results
-    """
-    def wrapper(self, *args, **kwargs):
-        self._cw.set_content_type('application/json')
-        return json_dumps(func(self, *args, **kwargs))
-    wrapper.__name__ = func.__name__
-    return wrapper
-
-@deprecated('[3.15] xhtmlize is deprecated, use AjaxFunction appobjects instead')
-def xhtmlize(func):
-    """decorator to sets correct content_type and calls `xmlize` on results"""
-    def wrapper(self, *args, **kwargs):
-        self._cw.set_content_type(self._cw.html_content_type())
-        result = func(self, *args, **kwargs)
-        return ''.join((u'<div>', result.strip(),
-                        u'</div>'))
-    wrapper.__name__ = func.__name__
-    return wrapper
-
-@deprecated('[3.15] check_pageid is deprecated, use AjaxFunction appobjects instead')
-def check_pageid(func):
-    """decorator which checks the given pageid is found in the
-    user's session data
-    """
-    def wrapper(self, *args, **kwargs):
-        data = self._cw.session.data.get(self._cw.pageid)
-        if data is None:
-            raise RemoteCallFailed(self._cw._('pageid-not-found'))
-        return func(self, *args, **kwargs)
-    return wrapper
 
 
 class LoginController(Controller):
@@ -255,16 +213,6 @@
         return self.response(domid, status, args, entity).encode(self._cw.encoding)
 
 
-class JSonController(Controller):
-    __regid__ = 'json'
-
-    def publish(self, rset=None):
-        warn('[3.15] JSONController is deprecated, use AjaxController instead',
-             DeprecationWarning)
-        ajax_controller = self._cw.vreg['controllers'].select('ajax', self._cw, appli=self.appli)
-        return ajax_controller.publish(rset)
-
-
 class MailBugReportController(Controller):
     __regid__ = 'reportbug'
     __select__ = match_form_params('description')